Сервис мануал hp laserjet 1536dnf mfp - RukovodstvoRus.ru - инструкции пользования и руководства

Contents:

1. Removal and replacement;
2. Solve problems (improve print quality of HP LaserJet Pro M1536dnf, clean the product, solve fax problems, etc.);
3. Parts and diagrams;
   ● Order parts by authorized service providers;
   ● How to use the parts lists and diagrams;
   ● Assembly locations;
   ● Covers;
   ● Internal assemblies;
   ● Scanner and document feeder (ADF) main assemblies;
   ● Document feeder internal components;
   ● Alphabetical parts list;
   ● Numerical parts list.
Appendix A. Service and support.
Appendix B. Product specifications (physical, acoustic, environmental specifications and power consumption).
Appendix C. Regulatory information.
Index.

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LASERJET PRO M1530

MFP SERIES

Service Manual

HP LaserJet Pro M1530 MFP Series

Service Manual

Development Company, L.P.

Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.

The information contained herein is subject to change without notice.

The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Part number: CE538-90986

Edition 1, 9/2010

Trademark Credits

Microsoft®, Windows®, Windows® XP, and Windows Vista® are U.S. registered trademarks of Microsoft Corporation.

ENERGY STAR and the ENERGY STAR mark are registered U.S. marks.

Conventions used in this guide

TIP: Tips provide helpful hints or shortcuts.

NOTE: Notes provide important information to explain a concept or to complete a task.

CAUTION: Cautions indicate procedures that you should follow to avoid losing data or damaging the product.

WARNING! Warnings alert you to specific procedures that you should follow to avoid personal injury, catastrophic loss of data, or extensive damage to the product.

Table of contents

1 Removal and replacement ……………………………………………………………………………………………………………..	1
Introduction ………………………………………………………………………………………………………………………….	2
Removal and replacement strategy …………………………………………………………………………………………	2
Electrostatic discharge ………………………………………………………………………………………………………….	3
Required tools ……………………………………………………………………………………………………………………..	3
Service approach …………………………………………………………………………………………………………………	3
Before performing service ……………………………………………………………………………………….	3
After performing service ………………………………………………………………………………………….	4
Post-service test ……………………………………………………………………………………………………	4
Print-quality test ……………………………………………………………………………………..	4
Parts removal order ……………………………………………………………………………………………….	4
Removal and replacement procedures ……………………………………………………………………………………	7
Print cartridge ……………………………………………………………………………………………………….	7
Pickup roller ………………………………………………………………………………………………………….	8
Separation pad ……………………………………………………………………………………………………..	9
Transfer roller ……………………………………………………………………………………………………..	10
Covers ……………………………………………………………………………………………………………….	10
Main tray ……………………………………………………………………………………………..	10
Output bin extension ……………………………………………………………………………..	11
Left cover …………………………………………………………………………………………….	12
Remove the left cover ……………………………………………………………..	12
Scanner assembly …………………………………………………………………………………	15
Remove the scanner assembly ………………………………………………..	15
Scanner hinges …………………………………………………………………………………….	17
Right cover …………………………………………………………………………………………..	19
Remove the right cover …………………………………………………………..	19
Duplex door ………………………………………………………………………………………….	22
Duplex frame ………………………………………………………………………………………..	23
Remove the duplex frame ……………………………………………………….	23
Cartridge door ………………………………………………………………………………………	24
Remove the cartridge door ………………………………………………………	24
Front cover …………………………………………………………………………………………..	27
Remove the front cover …………………………………………………………..	27
Upper cover ………………………………………………………………………………………….	28

Remove the upper cover …………………………………………………………	28
Main assemblies ………………………………………………………………………………………………….	29
Formatter PCA ……………………………………………………………………………………..	29
Remove the formatter PCA ……………………………………………………..	29
Fax PCA ………………………………………………………………………………………………	31
Remove the fax PCA ………………………………………………………………	31
Laser scanner assembly ………………………………………………………………………..	32
Remove the laser scanner assembly ………………………………………..	32
Reinstall the laser scanner assembly ………………………………………..	35
Pickup assembly …………………………………………………………………………………..	36
Remove the pickup assembly …………………………………………………..	36
Reinstall the pickup assembly ………………………………………………….	41
Fuser …………………………………………………………………………………………………..	43
Remove the fuser …………………………………………………………………..	43
Reinstall the fuser …………………………………………………………………..	48
Main motor …………………………………………………………………………………………..	49
Remove the main motor ………………………………………………………….	49
Reinstall the main motor drive belt ……………………………………………	54
Pickup solenoid …………………………………………………………………………………….	55
Remove the pickup solenoid ……………………………………………………	55
Engine controller PCA ……………………………………………………………………………	59
Remove the engine controller PCA …………………………………………..	59
Reinstall the engine controller PCA …………………………………………..	64
Duplex reverse solenoid …………………………………………………………………………	67
Remove the duplex reverse solenoid ………………………………………..	67
Main fan ………………………………………………………………………………………………	70
Remove the main fan ……………………………………………………………..	70
Reinstall the main fan ……………………………………………………………..	73
Duplex connector PCA …………………………………………………………………………..	74
Remove the duplex connector PCA ………………………………………….	74
Scanner components ……………………………………………………………………………………………	77
Document feeder input tray …………………………………………………………………….	77
Document feeder cover ………………………………………………………………………….	78
Document feeder pick arm assembly ……………………………………………………….	80
Remove the document feeder pick arm assembly ………………………	80
Document feeder core assembly …………………………………………………………….	82
Remove the document feeder core assembly …………………………….	82
Post scan pinch rollers …………………………………………………………………………..	84
Remove the post scan pinch rollers ………………………………………….	84
Document feeder base assembly …………………………………………………………….	85
Remove the document feeder base assembly ……………………………	85
Document feeder floating hinges …………………………………………………………….	87
Remove the document feeder floating hinges …………………………….	87
Control panel ………………………………………………………………………………………..	88

2 Solve problems ……………………………………………………………………………………………………………………………	89
Problem-solving checklist …………………………………………………………………………………………………….	90
Step 1: Check that the product power is on ……………………………………………………………..	90
Step 2: Check the control panel for error messages …………………………………………………	90
Step 3: Test print functionality ……………………………………………………………………………….	90
Step 4: Test copy functionality ……………………………………………………………………………….	91
Step 5: Test the fax sending functionality ………………………………………………………………..	91
Step 6: Test the fax receiving functionality ………………………………………………………………	91
Step 7: Try sending a print job from a computer ……………………………………………………….	91
Menu map …………………………………………………………………………………………………………………………	92
Troubleshooting process ……………………………………………………………………………………………………..	93
Determine the problem source ………………………………………………………………………………	93
Power subsystem ………………………………………………………………………………………………..	94
Power-on checks …………………………………………………………………………………..	94
Tools for troubleshooting ……………………………………………………………………………………………………..	95
Individual component diagnostics …………………………………………………………………………..	95
Engine diagnostics ………………………………………………………………………………..	95
Engine test button …………………………………………………………………..	95
Components tests …………………………………………………………………………………	96
Drum rotation functional check ………………………………………………..	96
Half self-test functional check …………………………………………………..	96
Diagrams ……………………………………………………………………………………………………………	97
Plug/jack locations ………………………………………………………………………………..	97
Location of connectors …………………………………………………………………………..	98
Locations of major components …………………………………………………………….	100
General timing charts …………………………………………………………………………..	104
General circuit diagram ………………………………………………………………………..	105
HP ToolboxFX …………………………………………………………………………………………………..	106
View HP ToolboxFX …………………………………………………………………………….	106
Status ………………………………………………………………………………………………..	106
Event log ……………………………………………………………………………..	106
Fax ……………………………………………………………………………………………………	107
Fax tasks …………………………………………………………………………….	107
Fax phone book ……………………………………………………………………	107
Fax send log ………………………………………………………………………..	109
Fax receive log …………………………………………………………………….	109
Block Faxes …………………………………………………………………………	109
Help …………………………………………………………………………………………………..	109
System Settings ………………………………………………………………………………….	110
Device information ………………………………………………………………..	110
Paper handling …………………………………………………………………….	111
Print quality ………………………………………………………………………….	111
Paper types …………………………………………………………………………	111
System setup ……………………………………………………………………….	112

Service ………………………………………………………………………………..	112
Device polling ………………………………………………………………………	112
Print Settings ………………………………………………………………………………………	112
Printing ……………………………………………………………………………….	112
PCL 5e ………………………………………………………………………………..	113
PostScript ……………………………………………………………………………	113
Network Settings …………………………………………………………………………………	113
Internal print quality test pages …………………………………………………………………………….	114
Print a cleaning page …………………………………………………………………………..	114
Configuration page ………………………………………………………………………………	114
Print quality troubleshooting tools …………………………………………………………………………	115
Repetitive defect ruler ………………………………………………………………………….	115
Control panel menus …………………………………………………………………………………………..	115
Setup menu ………………………………………………………………………………………..	115
Quick Forms menu ……………………………………………………………….	116
Reports menu ………………………………………………………………………	116
Fax Setup ……………………………………………………………………………	117
System Setup menu ……………………………………………………………..	119
Service menu ……………………………………………………………………….	121
Network Setup menu …………………………………………………………….	122
Function-specific menus ………………………………………………………………………	122
Copy …………………………………………………………………………………..	123
Fax ……………………………………………………………………………………..	124
Interpret control panel messages …………………………………………………………………………	126
Control panel message types ………………………………………………………………..	126
Control panel messages ………………………………………………………………………	126
Paper feeds incorrectly or becomes jammed ………………………………………………………………………..	143
The product does not pick up paper ……………………………………………………………………..	143
The product picks up multiple sheets of paper ……………………………………………………….	143
Prevent paper jams …………………………………………………………………………………………….	143
Clear jams …………………………………………………………………………………………………………	144
Jam locations ……………………………………………………………………………………..	144
Clear jams from the document feeder …………………………………………………….	145
Clear jams from the input trays ……………………………………………………………..	146
Clear jams from inside the product ………………………………………………………..	148
Clear jams from the output areas …………………………………………………………..	150
Clear jams from the duplexer ………………………………………………………………..	151
Improve print quality ………………………………………………………………………………………………………….	154
Select a paper type …………………………………………………………………………………………….	154
Use paper that meets HP specifications ………………………………………………………………..	154
Print a cleaning page ………………………………………………………………………………………….	155
Check the print cartridge ……………………………………………………………………………………..	155
Print the Supplies Status page ………………………………………………………………	156
Inspect the print cartridge for damage ……………………………………………………	157

Repeating defects ……………………………………………………………………………….	157
Use the printer driver that best meets your printing needs ……………………………………….	158
Improve print quality for copies …………………………………………………………………………….	158
Clean the product ……………………………………………………………………………………………………………..	160
Clean the pickup roller ………………………………………………………………………………………..	160
Clean the document feeder pickup rollers and separation pad …………………………………	161
Clean the paper path ………………………………………………………………………………………….	162
Clean the paper path from HP ToolboxFX ………………………………………………	162
Clean the paper path from the control panel ……………………………………………	162
Clean the scanner glass strip and platen ……………………………………………………………….	162
The product does not print or it prints slowly …………………………………………………………………………	164
The product does not print …………………………………………………………………………………..	164
The product prints slowly …………………………………………………………………………………….	164
Solve connectivity problems ……………………………………………………………………………………………….	166
Solve direct-connect problems …………………………………………………………………………….	166
Solve network problems ……………………………………………………………………………………..	166
Poor physical connection ……………………………………………………………………..	166
The computer is using the incorrect IP address for the product ………………….	166
The computer is unable to communicate with the product …………………………	167
The product is using incorrect link and duplex settings for the network ……….	167
New software programs might be causing compatibility problems ……………..	167
The computer or workstation might be set up incorrectly …………………………..	167
The product is disabled, or other network settings are incorrect …………………	167
Service mode functions ……………………………………………………………………………………………………..	168
Secondary service menu …………………………………………………………………………………….	168
Open the secondary service menu ………………………………………………………..	168
Secondary service menu structure …………………………………………………………	168
Product resets ……………………………………………………………………………………………………	169
Solve fax problems ……………………………………………………………………………………………………………	169
Fax troubleshooting checklist ………………………………………………………………………………	169
Troubleshoot fax codes and trace reports ……………………………………………………………..	171
View and interpret fax error codes …………………………………………………………	171
View the fax trace report ………………………………………………………………………	172
Fax logs and reports …………………………………………………………………………………………..	173
Print all fax reports ………………………………………………………………………………	173
Print individual fax reports …………………………………………………………………….	173
Set the fax activity log to print automatically ……………………………………………	174
Set the fax error report …………………………………………………………………………	174
Set the fax confirmation report ………………………………………………………………	175
Include the first page of each fax on the fax confirmation, fax error, and last
call reports ………………………………………………………………………………………….	176
Change error correction and fax speed …………………………………………………………………	176
Set the fax-error-correction mode ………………………………………………………….	176
Change the fax speed ………………………………………………………………………….	176

Solve problems sending faxes ……………………………………………………………………………..	177
An error message displays on the control panel ………………………………………	177
The Comm. Error message appears ……………………………………….	177
No dial tone …………………………………………………………………………	178
The Fax is busy message appears ………………………………………….	178
The No fax answer message appears ……………………………………..	179
Document feeder paper jam …………………………………………………..	179
The Fax memory full message appears …………………………………..	179
Scanner error ……………………………………………………………………….	180
The control panel displays a Ready message with no attempt to send the fax	180
The control panel displays the message «Storing page 1» and does not
progress beyond that message ……………………………………………………………..	180
Faxes can be received, but not sent ………………………………………………………	180
Unable to use fax functions from the control panel …………………………………..	181
Unable to use speed dials …………………………………………………………………….	181
Unable to use group dials …………………………………………………………………….	181
Receive a recorded error message from the phone company when trying to
send a fax …………………………………………………………………………………………..	182
Unable to send a fax when a phone is connected to the product ……………….	182
Solve problems receiving faxes ……………………………………………………………………………	183
The fax does not respond …………………………………………………………………….	183
The fax has a dedicated phone line …………………………………………	183
An answering machine is connected to the product …………………..	183
A telephone handset is connected to the product ……………………..	184
The Answer Mode setting is set to the Manual setting ……………….	184
Voice mail is available on the fax line ………………………………………	184
The product is connected to a DSL phone service …………………….	185
The product uses a fax over IP or VoIP phone service ………………	185
An error message displays on the control panel ………………………………………	185
The No fax detected message appears ……………………………………	185
The Comm. Error message appears ……………………………………….	186
The Fax memory full message appears …………………………………..	186
The Fax is busy message appears ………………………………………….	187
A fax is received but does not print ………………………………………………………..	187
The Private Receive feature is on …………………………………………..	187
The Receive to PC feature is enabled ……………………………………..	187
Sender receives a busy signal ………………………………………………………………	188
A handset is connected to the product …………………………………….	188
A phone line splitter is being used …………………………………………..	188
No dial tone ………………………………………………………………………………………..	188
Cannot send or receive a fax on a PBX line ……………………………………………	188
Solve general fax problems …………………………………………………………………………………	189
Faxes are sending slowly ……………………………………………………………………..	189
Fax quality is poor ……………………………………………………………………………….	190

Fax cuts off or prints on two pages ………………………………………………………..	190
Product updates ……………………………………………………………………………………………………………….	191
3 Parts and diagrams …………………………………………………………………………………………………………………….	193
Order parts by authorized service providers …………………………………………………………………………	194
Order replacement parts ……………………………………………………………………………………..	194
Related documentation and software ……………………………………………………………………	194
Supplies part numbers ………………………………………………………………………………………..	194
Whole unit replacement part numbers …………………………………………………………………..	194
Customer self repair parts …………………………………………………………………………………..	195
Service parts ……………………………………………………………………………………………………..	195
How to use the parts lists and diagrams ………………………………………………………………………………	195
Assembly locations ……………………………………………………………………………………………………………	196
Locations of major components ……………………………………………………………………………	196
Covers …………………………………………………………………………………………………………………………….	200
Internal assemblies …………………………………………………………………………………………………………..	202
Internal assemblies (1 of 4) …………………………………………………………………………………	202
Internal assemblies (2 of 4) …………………………………………………………………………………	204
Internal assemblies (3 of 4) …………………………………………………………………………………	206
Internal assemblies (4 of 4) …………………………………………………………………………………	208
Scanner and document feeder (ADF) main assemblies ………………………………………………………….	210
Document feeder internal components ………………………………………………………………………………..	212
Alphabetical parts list ………………………………………………………………………………………………………..	214
Numerical parts list ……………………………………………………………………………………………………………	217
Appendix A Service and support …………………………………………………………………………………………………..	221
Hewlett-Packard limited warranty statement …………………………………………………………………………	222
HP’s Premium Protection Warranty: LaserJet print cartridge limited warranty statement …………….	223
Data stored on the print cartridge ………………………………………………………………………………………..	224
End User License Agreement …………………………………………………………………………………………….	225
Customer support ……………………………………………………………………………………………………………..	227
Repack the product …………………………………………………………………………………………………………..	228
Appendix B Product specifications ……………………………………………………………………………………………….	229
Physical specifications ………………………………………………………………………………………………………	230
Power consumption …………………………………………………………………………………………………………..	230
Acoustic specifications ………………………………………………………………………………………………………	230
Environmental specifications ………………………………………………………………………………………………	230
Appendix C Regulatory information ………………………………………………………………………………………………	231
FCC regulations ……………………………………………………………………………………………………………….	232
Environmental product stewardship program ………………………………………………………………………..	233
Protecting the environment ………………………………………………………………………………….	233

Ozone production ………………………………………………………………………………………………	233
Power consumption ……………………………………………………………………………………………	233
Toner consumption …………………………………………………………………………………………….	233
Paper use …………………………………………………………………………………………………………	233
Plastics …………………………………………………………………………………………………………….	233
HP LaserJet print supplies …………………………………………………………………………………..	233
Return and recycling instructions ………………………………………………………………………….	234
United States and Puerto Rico ………………………………………………………………	234
Multiple returns (more than one cartridge) ……………………………….	234
Single returns ………………………………………………………………………	234
Shipping ………………………………………………………………………………	234
Non-U.S. returns …………………………………………………………………………………	235
Paper ……………………………………………………………………………………………………………….	235
Material restrictions …………………………………………………………………………………………….	235
Disposal of waste equipment by users in private households in the European Union ….	235
Chemical substances ………………………………………………………………………………………….	236
Material Safety Data Sheet (MSDS) ……………………………………………………………………..	236
For more information ………………………………………………………………………………………….	236
Declaration of conformity ……………………………………………………………………………………………………	237
Certificate of Volatility ………………………………………………………………………………………………………..	239
Safety statements ……………………………………………………………………………………………………………..	240
Laser safety ………………………………………………………………………………………………………	240
Canadian DOC regulations ………………………………………………………………………………….	240
VCCI statement (Japan) ……………………………………………………………………………………..	240
Power cord instructions ………………………………………………………………………………………	240
Power cord statement (Japan) ……………………………………………………………………………..	240
EMC statement (Korea) ………………………………………………………………………………………	240
Laser statement for Finland …………………………………………………………………………………	241
GS statement (Germany) …………………………………………………………………………………….	241
Substances Table (China) …………………………………………………………………………………..	242
Restriction on Hazardous Substances statement (Turkey) ………………………………………	242
Additional statements for telecom (fax) products …………………………………………………………………..	243
EU Statement for Telecom Operation ……………………………………………………………………	243
New Zealand Telecom Statements ……………………………………………………………………….	243
Additional FCC statement for telecom products (US) ………………………………………………	243
Telephone Consumer Protection Act (US) …………………………………………………………….	244
Industry Canada CS-03 requirements …………………………………………………………………..	244
Index ……………………………………………………………………………………………………………………………………………..	247

List of tables

Table 2-1 Secondary Service menu …………………………………………………………………………………………………	168
Table 3-1 Order parts, accessories, and supplies ………………………………………………………………………………	194
Table 3-2 Related documentation and software ………………………………………………………………………………..	194
Table 3-3 Supplies part numbers …………………………………………………………………………………………………….	194
Table 3-4 Whole unit replacement part numbers ……………………………………………………………………………….	194
Table 3-5 Customer replaceable units (CRU) kit part numbers ……………………………………………………………	195
Table 3-6	Service parts ………………………………………………………………………………………………………………….	195
Table 3-7 Locations of major components ………………………………………………………………………………………..	196
Table 3-8 Rollers, solenoids, and fan ……………………………………………………………………………………………….	197
Table 3-9	Cross-sectional view ……………………………………………………………………………………………………….	199
Table 3-10 Print engine covers ……………………………………………………………………………………………………….	201
Table 3-11 Internal assemblies (1 of 4) …………………………………………………………………………………………….	203
Table 3-12 Internal assemblies (2 of 4) …………………………………………………………………………………………….	205
Table 3-13 Internal assemblies (3 of 4) …………………………………………………………………………………………….	207
Table 3-14 Internal assemblies (4 of 4) …………………………………………………………………………………………….	209
Table 3-15 Scanner and document feeder main assemblies ……………………………………………………………….	211
Table 3-16 Document feeder assembly parts ……………………………………………………………………………………	213
Table 3-17 Alphabetical parts list …………………………………………………………………………………………………….	214
Table 3-18 Numerical parts list ………………………………………………………………………………………………………..	217
Table B-1	Physical specifications1 ……………………………………………………………………………………………………	230
Table B-2 HP LaserJet Pro M1530 MFP Series (average in watts)12 ……………………………………………………	230
Table B-3 HP LaserJet Pro M1530 MFP Series12 ………………………………………………………………………………	230
Table B-4	Environmental specifications ……………………………………………………………………………………………	230

List of figures

Figure 1-1 Phillips and Pozidriv screwdriver comparison ………………………………………………………………………..	3
Figure 1-2 Parts removal order: Scanner and document feeder ………………………………………………………………	5
Figure 1-3 Parts removal order: Product base ………………………………………………………………………………………	6
Figure 1-4 Remove the print cartridge (1 of 2) ………………………………………………………………………………………	7
Figure 1-5 Remove the print cartridge (2 of 2) ………………………………………………………………………………………	7
Figure 1-6 Remove the pickup roller (1 of 2) …………………………………………………………………………………………	8
Figure 1-7 Remove the pickup roller (2 of 2) …………………………………………………………………………………………	8
Figure 1-8 Remove the separation pad assembly …………………………………………………………………………………	9
Figure 1-9 Remove the transfer roller ………………………………………………………………………………………………..	10
Figure 1-10 Remove the tray …………………………………………………………………………………………………………….	10
Figure 1-11 Remove the output bin extension …………………………………………………………………………………….	11
Figure 1-12 Remove the left cover (1 of 5) ………………………………………………………………………………………….	12
Figure 1-13 Remove the left cover (2 of 5) ………………………………………………………………………………………….	12
Figure 1-14 Remove the left cover (3 of 5) ………………………………………………………………………………………….	13
Figure 1-15 Remove the left cover (4 of 5) ………………………………………………………………………………………….	13
Figure 1-16 Remove the left cover (5 of 5) ………………………………………………………………………………………….	14
Figure 1-17 Remove the scanner assembly (1 of 5) …………………………………………………………………………….	15
Figure 1-18 Remove the scanner assembly (2 of 5) …………………………………………………………………………….	15
Figure 1-19 Remove the scanner assembly (3 of 5) …………………………………………………………………………….	16
Figure 1-20 Remove the scanner assembly (4 of 5) …………………………………………………………………………….	16
Figure 1-21 Remove the scanner assembly (5 of 5) …………………………………………………………………………….	17
Figure 1-22 Remove the scanner hinges (1 of 2) …………………………………………………………………………………	17
Figure 1-23 Remove the scanner hinges (2 of 2) …………………………………………………………………………………	18
Figure 1-24 Remove the right cover (1 of 5) ……………………………………………………………………………………….	19
Figure 1-25 Remove the right cover (2 of 5) ……………………………………………………………………………………….	19
Figure 1-26 Remove the right cover (3 of 5) ……………………………………………………………………………………….	20
Figure 1-27 Remove the right cover (4 of 5) ……………………………………………………………………………………….	20
Figure 1-28 Remove the right cover (5 of 5) ……………………………………………………………………………………….	21
Figure 1-29 Remove the duplex door …………………………………………………………………………………………………	22
Figure 1-30 Remove the duplex frame (1 of 2) ……………………………………………………………………………………	23
Figure 1-31 Remove the duplex frame (2 of 2) ……………………………………………………………………………………	23
Figure 1-32 Remove the cartridge door (1 of 5) …………………………………………………………………………………..	24
Figure 1-33 Remove the cartridge door (2 of 5) …………………………………………………………………………………..	25
Figure 1-34 Remove the cartridge door (3 of 5) …………………………………………………………………………………..	25

Figure 1-35 Remove the cartridge door (4 of 5) …………………………………………………………………………………..	26
Figure 1-36 Remove the cartridge door (5 of 5) …………………………………………………………………………………..	26
Figure 1-37 Remove the front cover …………………………………………………………………………………………………..	27
Figure 1-38 Remove the upper cover …………………………………………………………………………………………………	28
Figure 1-39 Remove the formatter PCA (1 of 2) ………………………………………………………………………………….	29
Figure 1-40 Remove the formatter PCA (2 of 2) ………………………………………………………………………………….	30
Figure 1-41 Remove the fax PCA ……………………………………………………………………………………………………..	31
Figure 1-42 Remove the laser scanner assembly (1 of 5) …………………………………………………………………….	32
Figure 1-43 Remove the laser scanner assembly (2 of 5) …………………………………………………………………….	33
Figure 1-44 Remove the laser scanner assembly (3 of 5) …………………………………………………………………….	33
Figure 1-45 Remove the laser scanner assembly (4 of 5) …………………………………………………………………….	34
Figure 1-46 Remove the laser scanner assembly (5 of 5) …………………………………………………………………….	34
Figure 1-47 Reinstall the laser scanner assembly ……………………………………………………………………………….	35
Figure 1-48 Remove the pickup assembly (1 of 9) ……………………………………………………………………………….	36
Figure 1-49 Remove the pickup assembly (2 of 9) ……………………………………………………………………………….	37
Figure 1-50 Remove the pickup assembly (3 of 9) ……………………………………………………………………………….	37
Figure 1-51 Remove the pickup assembly (4 of 9) ……………………………………………………………………………….	38
Figure 1-52 Remove the pickup assembly (5 of 9) ……………………………………………………………………………….	38
Figure 1-53 Remove the pickup assembly (6 of 9) ……………………………………………………………………………….	39
Figure 1-54 Remove the pickup assembly (7 of 9) ……………………………………………………………………………….	39
Figure 1-55 Remove the pickup assembly (8 of 9) ……………………………………………………………………………….	40
Figure 1-56 Remove the pickup assembly (9 of 9) ……………………………………………………………………………….	40
Figure 1-57 Reinstall the pickup assembly (1 of 4; correct ground spring position) …………………………………..	41
Figure 1-58 Reinstall the pickup assembly (2 of 4; incorrect ground spring position) ………………………………..	41
Figure 1-59 Reinstall the pickup assembly (3 of 4; lift plate in raised position) …………………………………………	42
Figure 1-60 Reinstall the pickup assembly (4 of 4; lift plate in lowered position) ………………………………………	42
Figure 1-61 Remove the fuser (1 of 9) ……………………………………………………………………………………………….	43
Figure 1-62 Remove the fuser (2 of 9) ……………………………………………………………………………………………….	44
Figure 1-63 Remove the fuser (3 of 9) ……………………………………………………………………………………………….	44
Figure 1-64 Remove the fuser (4 of 9) ……………………………………………………………………………………………….	45
Figure 1-65 Remove the fuser (5 of 9) ……………………………………………………………………………………………….	45
Figure 1-66 Remove the fuser (6 of 9) ……………………………………………………………………………………………….	46
Figure 1-67 Remove the fuser (7 of 9) ……………………………………………………………………………………………….	46
Figure 1-68 Remove the fuser (8 of 9) ……………………………………………………………………………………………….	47
Figure 1-69 Remove the fuser (9 of 9) ……………………………………………………………………………………………….	47
Figure 1-70 Reinstall the fuser (1 of 2); correct wire harness installation ………………………………………………..	48
Figure 1-71 Reinstall the fuser (2 of 2); incorrect wire harness installation ……………………………………………..	48
Figure 1-72 Remove the main motor (1 of 9) ………………………………………………………………………………………	49
Figure 1-73 Remove the main motor (2 of 9) ………………………………………………………………………………………	50
Figure 1-74 Remove the main motor (3 of 9) ………………………………………………………………………………………	50
Figure 1-75 Remove the main motor (4 of 9) ………………………………………………………………………………………	51
Figure 1-76 Remove the main motor (5 of 9) ………………………………………………………………………………………	51
Figure 1-77 Remove the main motor (6 of 9) ………………………………………………………………………………………	52
Figure 1-78 Remove the main motor (7 of 9) ………………………………………………………………………………………	52

Figure 1-79 Remove the main motor (8 of 9) ………………………………………………………………………………………	53
Figure 1-80 Remove the main motor (9 of 9) ………………………………………………………………………………………	53
Figure 1-81 Main motor drive belt installed correctly …………………………………………………………………………….	54
Figure 1-82 Main motor drive belt installed incorrectly ………………………………………………………………………….	54
Figure 1-83 Remove the pickup solenoid (1 of 6) ………………………………………………………………………………..	55
Figure 1-84 Remove the pickup solenoid (2 of 6) ………………………………………………………………………………..	56
Figure 1-85 Remove the pickup solenoid (3 of 6) ………………………………………………………………………………..	56
Figure 1-86 Remove the pickup solenoid (4 of 6) ………………………………………………………………………………..	57
Figure 1-87 Remove the pickup solenoid (5 of 6) ………………………………………………………………………………..	57
Figure 1-88 Remove the pickup solenoid (6 of 6) ………………………………………………………………………………..	58
Figure 1-89 Remove the engine controller PCA (1 of 9) ……………………………………………………………………….	59
Figure 1-90 Remove the engine controller PCA (2 of 9) ……………………………………………………………………….	60
Figure 1-91 Remove the engine controller PCA (3 of 9) ……………………………………………………………………….	60
Figure 1-92 Remove the engine controller PCA (4 of 9) ……………………………………………………………………….	61
Figure 1-93 Remove the engine controller PCA (5 of 9) ……………………………………………………………………….	61
Figure 1-94 Remove the engine controller PCA (6 of 9) ……………………………………………………………………….	62
Figure 1-95 Remove the engine controller PCA (7 of 9) ……………………………………………………………………….	62
Figure 1-96 Remove the engine controller PCA (8 of 9) ……………………………………………………………………….	63
Figure 1-97 Remove the engine controller PCA (9 of 9) ……………………………………………………………………….	63
Figure 1-98 Reinstall the engine controller PCA (1 of 5) ……………………………………………………………………….	64
Figure 1-99 Reinstall the engine controller PCA (2 of 5) ……………………………………………………………………….	64
Figure 1-100 Reinstall the engine controller PCA (3 of 5) ……………………………………………………………………..	65
Figure 1-101 Reinstall the engine controller PCA (4 of 5) ……………………………………………………………………..	65
Figure 1-102 Reinstall the engine controller PCA (5 of 5) ……………………………………………………………………..	66
Figure 1-103 Remove the duplex reverse solenoid (1 of 5) …………………………………………………………………..	67
Figure 1-104 Remove the duplex reverse solenoid (2 of 5) …………………………………………………………………..	68
Figure 1-105 Remove the duplex reverse solenoid (3 of 5) …………………………………………………………………..	68
Figure 1-106 Remove the duplex reverse solenoid (4 of 5) …………………………………………………………………..	69
Figure 1-107 Remove the duplex reverse solenoid (5 of 5) …………………………………………………………………..	69
Figure 1-108 Remove the main fan (1 of 5) ………………………………………………………………………………………..	70
Figure 1-109 Remove the main fan (2 of 5) ………………………………………………………………………………………..	71
Figure 1-110 Remove the main fan (3 of 5) ………………………………………………………………………………………..	71
Figure 1-111 Remove the main fan (4 of 5) ………………………………………………………………………………………..	72
Figure 1-112 Remove the main fan (5 of 5) ………………………………………………………………………………………..	72
Figure 1-113 Reinstall the main fan …………………………………………………………………………………………………..	73
Figure 1-114 Remove the duplex connector PCA (1 of 5) …………………………………………………………………….	74
Figure 1-115 Remove the duplex connector PCA (2 of 5) …………………………………………………………………….	75
Figure 1-116 Remove the duplex connector PCA (3 of 5) …………………………………………………………………….	75
Figure 1-117 Remove the duplex connector PCA (4 of 5) …………………………………………………………………….	76
Figure 1-118 Remove the duplex connector PCA (5 of 5) …………………………………………………………………….	76
Figure 1-119 Remove the document feeder input tray (1 of 2) ………………………………………………………………	77
Figure 1-120 Remove the document feeder input tray (2 of 2) ………………………………………………………………	77
Figure 1-121 Remove the document feeder cover (1 of 3) ……………………………………………………………………	78
Figure 1-122 Remove the document feeder cover (2 of 3) ……………………………………………………………………	78

Figure 1-123 Remove the document feeder cover (3 of 3) ……………………………………………………………………	79
Figure 1-124 Remove the document feeder pick arm assembly (1 of 4) …………………………………………………	80
Figure 1-125 Remove the document feeder pick arm assembly (2 of 4) …………………………………………………	80
Figure 1-126 Remove the document feeder pick arm assembly (3 of 4) …………………………………………………	81
Figure 1-127 Remove the document feeder pick arm assembly (4 of 4) …………………………………………………	81
Figure 1-128 Remove the document feeder core assembly (1 of 3) ……………………………………………………….	82
Figure 1-129 Remove the document feeder core assembly (2 of 3) ……………………………………………………….	83
Figure 1-130 Remove the document feeder core assembly (3 of 3) ……………………………………………………….	83
Figure 1-131 Remove the post scan pinch rollers ………………………………………………………………………………..	84
Figure 1-132 Remove the document feeder base assembly (1 of 3) ………………………………………………………	85
Figure 1-133 Remove the document feeder base assembly (2 of 3) ………………………………………………………	86
Figure 1-134 Remove the document feeder base assembly (3 of 3) ………………………………………………………	86
Figure 1-135 Remove the document feeder floating hinges ………………………………………………………………….	87
Figure 1-136 Remove the control panel (1 of 2) ………………………………………………………………………………….	88
Figure 1-137 Remove the control panel (2 of 2) ………………………………………………………………………………….	88
Figure 2-1 Sample engine test page ………………………………………………………………………………………………….	95
Figure 2-2	Plug/jack locations …………………………………………………………………………………………………………..	97
Figure 2-3 Engine controller PCA connectors ……………………………………………………………………………………..	98
Figure 2-4 Formatter and fax board connectors …………………………………………………………………………………..	99
Figure 2-5	Main assemblies ……………………………………………………………………………………………………………	100
Figure 2-6 Rollers, solenoids, and fan ……………………………………………………………………………………………..	101
Figure 2-7	PCA locations ……………………………………………………………………………………………………………….	102
Figure 2-8	Cross-sectional view ………………………………………………………………………………………………………	103
Figure 2-9 General timing diagram …………………………………………………………………………………………………..	104
Figure 2-10	Circuit diagram …………………………………………………………………………………………………………….	105
Figure 3-1	Main assemblies ……………………………………………………………………………………………………………	196
Figure 3-2 Rollers, solenoids, and fan ……………………………………………………………………………………………..	197
Figure 3-3	PCA locations ……………………………………………………………………………………………………………….	198
Figure 3-4	Cross-sectional view ………………………………………………………………………………………………………	199
Figure 3-5 Print engine covers ………………………………………………………………………………………………………..	200
Figure 3-6 Internal assemblies (1 of 4) ……………………………………………………………………………………………..	202
Figure 3-7 Internal assemblies (2 of 4) ……………………………………………………………………………………………..	204
Figure 3-8 Internal assemblies (3 of 4) ……………………………………………………………………………………………..	206
Figure 3-9 Internal assemblies (4 of 4) ……………………………………………………………………………………………..	208
Figure 3-10 Scanner and document feeder main assemblies ………………………………………………………………	210
Figure 3-11 Document feeder assembly parts …………………………………………………………………………………..	212

1 Removal and replacement

●Introduction

●Removal and replacement strategy

●Electrostatic discharge

●Required tools

●Service approach

●Removal and replacement procedures

Introduction

This chapter describes the removal and replacement of field-replaceable units (FRUs) only.

Replacing FRUs is generally the reverse of removal. Occasionally, notes and tips are included to provide directions for difficult or critical replacement procedures.

HP does not support repairing individual subassemblies or troubleshooting to the component level.

Note the length, diameter, color, type, and location of each screw. Be sure to return each screw to its original location during reassembly.

Incorrectly routed or loose wire harnesses can interfere with other internal components and can become damaged or broken. Frayed or pinched harness wires can be difficult to find. When replacing wire harnesses, always use the provided wire loops, lance points, or wire-harness guides and retainers.

Removal and replacement strategy

WARNING! Turn the product off, wait 5 seconds, and then remove the power cord before attempting to service the product. If this warning is not followed, severe injury can result, in addition to damage to the product. The power must be on for certain functional checks during troubleshooting. However, disconnect the power supply during parts removal.

Never operate or service the product with the protective cover removed from the laser/scanner assembly. The reflected beam, although invisible, can damage your eyes.

The sheet-metal parts can have sharp edges. Be careful when handling sheet-metal parts.

CAUTION: Do not bend or fold the flat flexible cables (FFCs) during removal or installation. Also, do not straighten pre-folds in the FFCs. You must fully seat all FFCs in their connectors. Failure to fully seat an FFC into a connector can cause a short circuit in a PCA.

NOTE: To install a self-tapping screw, first turn it counterclockwise to align it with the existing thread pattern, and then carefully turn it clockwise to tighten. Do not overtighten. If a self-tapping screw-hole becomes stripped, repair the screw-hole or replace the affected assembly.

TIP: For clarity, some photos in this chapter show components removed that would not be removed to service the product. If necessary, remove the components listed at the beginning of a procedure before proceeding to service the product.

2 Chapter 1 Removal and replacement

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Electrostatic discharge

CAUTION:

Some parts are sensitive to electrostatic discharge (ESD). Look for the ESD

reminder when removing product parts. Always perform service work at an ESD-protected workstation or mat, or use an ESD strap. If an ESD workstation, mat, or strap is not available, ground yourself by touching the sheet-metal chassis before touching an ESD-sensitive part.

Protect the ESD-sensitive parts by placing them in ESD pouches when they are out of the product.

Required tools

●#2 Phillips screwdriver with a magnetic tip and a 152-mm (6-in) shaft length

●Small flat-blade screwdriver

●Needle-nose pliers

●ESD mat or ESD strap (if one is available)

●Penlight (optional)

CAUTION: Always use a Phillips screwdriver (callout 1). Do not use a Pozidriv screwdriver (callout 2) or any motorized screwdriver. These can damage screws or screw threads.

Figure 1-1 Phillips and Pozidriv screwdriver comparison

Service approach

Before performing service

●Remove all paper from the product.

●Turn off the power using the power switch.

●Unplug the power cable and interface cable or cables.

●Place the product on an ESD workstation or mat, or use an ESD strap (if one is available). If an ESD workstation, mat, or strap is not available, ground yourself by touching the sheet-metal chassis before touching an ESD-sensitive part.

●Remove the print cartridge.

ENWW	Electrostatic discharge 3

After performing service

●Plug in the power cable.

●Reinstall the print cartridge.

●Load paper in the product.

Post-service test

Perform the following test to verify that the repair or replacement was successful.

Print-quality test

1.Verify that you have completed the necessary reassembly steps.

2.Make sure that the tray contains clean, unmarked paper.

3.Attach the power cord and interface cable or interface cables, and then turn on the product.

4.Verify that the expected startup sounds occur.

5.Print a configuration page, and then verify that the expected printing sounds occur.

6.Print a demo page, and then verify that the print quality is as expected.

7.Send a print job from the host computer, and then verify that the output meets expectations.

8.Clean the outside of the product with a damp cloth.

Parts removal order

NOTE: In the following list, parts shown with blue text should be removed only in a clean-room environment. See the Service Manual Addendum for details about removing and replacing these parts.

4 Chapter 1 Removal and replacement

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Figure 1-2 Parts removal order: Scanner and document feeder

Automatic document feeder assembly

ADF tray

ADF top cover

ADF pre-pickup arm and roller

ADF outer cover

ADF cable cover

ADF core

ADF roller post scan pinch

Solar lock

ADF base

Scanner assembly

Control panel

Engine left cover

ADF floating hinge

Scanner bezel (See the Service Manual Addendum)

ADF floating hinge (Also can be removed before the Scanner bezel, tool needed) Scan-drive system

DC servo motor

Scan bar

Scanner base

SSA hinge

Cartridge door arm

Figure 1-3 Parts removal order: Product base

Print cartridge Separation pad Pickup roller Transfer roller Printer side covers

Fax card & formatter

Cartridge door

Front cover

Laser Scanner

Main Motor

Top cover

Duplex door

Duplex frame

Pickup ASSY

Fuser

Pickup solenoid

Engine Controller PCA

Duplex-reverse solenoid

Main fan

Duplexer-connector PCA

6 Chapter 1 Removal and replacement

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Removal and replacement procedures

NOTE: Many of the figures in the following procedures show the product with the scanner assembly removed. However, removal of the scanner assembly is necessary only when specified in the steps.

Print cartridge

1.Lift the scanner assembly, and then open the cartridge door.

Figure 1-4 Remove the print cartridge (1 of 2)

2.Remove the print cartridge.

Figure 1-5 Remove the print cartridge (2 of 2)

ENWW	Removal and replacement procedures 7

Pickup roller

CAUTION: Do not touch the sponge portion of the roller. Skin oils can cause paper handling problems.

1.Remove the print cartridge. See Print cartridge on page 7.

2.Release the two tabs between the wheels and the sides of the pick up roller.

Figure 1-6 Remove the pickup roller (1 of 2)

3.Rotate the roller away from the product to remove it.

Figure 1-7 Remove the pickup roller (2 of 2)

8 Chapter 1 Removal and replacement

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Separation pad

CAUTION: Do not touch the sponge portion of the pad. Skin oils can cause paper handling problems.

1.Place the product on its side to access the separation pad assembly.

CAUTION: Do not scratch the product covers. Place the product on a cloth or other clean surface to avoid scratches from dirt and debris.

2.Remove two screws (callout 1), and then remove the separation pad assembly (callout 2).

Figure 1-8 Remove the separation pad assembly

2 1

ENWW	Removal and replacement procedures 9

Transfer roller

CAUTION: Do not touch the sponge portion of the roller. Skin oils can cause print quality problems.

1.Remove the print cartridge. See Print cartridge on page 7.

2.Release two tabs (callout 1), and then remove the transfer roller (callout 2).

Figure 1-9 Remove the transfer roller

Covers

Main tray

Open the tray, carefully flex the tray to release the hinges, and then remove the tray.

Figure 1-10 Remove the tray

10 Chapter 1 Removal and replacement

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Output bin extension

Lift the output bin extension (callout 1) up to remove it.

Figure 1-11 Remove the output bin extension

ENWW	Removal and replacement procedures 11

Left cover

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

Remove the left cover

1.Remove one screw (callout 1).

Figure 1-12 Remove the left cover (1 of 5)

2.Open the duplex door (callout 1), and then release two tabs (callout 2).

Figure 1-13 Remove the left cover (2 of 5)

12 Chapter 1 Removal and replacement

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3.Release one tab (callout 1) at the bottom edge of the cover.

Figure 1-14 Remove the left cover (3 of 5)

4.Release one tab (callout 1).

Figure 1-15 Remove the left cover (4 of 5)

ENWW	Removal and replacement procedures 13

5.Rotate the back edge of the cover away from the product, and then remove the cover (callout 1).

Figure 1-16 Remove the left cover (5 of 5)

14 Chapter 1 Removal and replacement

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Scanner assembly

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

Remove the scanner assembly

1.Remove one screw (callout 1), and then disconnect three FFCs (callout 2).

Figure 1-17 Remove the scanner assembly (1 of 5)

2.Remove two FFCs from the ferrite cores (callout 1).

Figure 1-18 Remove the scanner assembly (2 of 5)

ENWW	Removal and replacement procedures 15

3.Remove the white FFC from its guide, and then carefully remove three FFCs from the upper guide (callout 1).

Figure 1-19 Remove the scanner assembly (3 of 5)

4.Release the tabs inside the hinges (callout 1) to allow the scanner assembly to slide down on the hinges.

Figure 1-20 Remove the scanner assembly (4 of 5)

16 Chapter 1 Removal and replacement

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5.Lift the scanner assembly up (arrow 1) and away from the hinges (arrow 2).

Figure 1-21 Remove the scanner assembly (5 of 5)

Scanner hinges

1.Remove the scanner assembly. See Scanner assembly on page 15.

2.Remove one screw (callout 1) from each hinge.

Figure 1-22 Remove the scanner hinges (1 of 2)

ENWW	Removal and replacement procedures 17

3.Lift each hinge up to remove it.

Figure 1-23 Remove the scanner hinges (2 of 2)

18 Chapter 1 Removal and replacement

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Right cover

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

Remove the right cover

1.Remove one screw (callout 1).

Figure 1-24 Remove the right cover (1 of 5)

2.Open the duplex door (callout 1), and then release two tabs (callout 2).

Figure 1-25 Remove the right cover (2 of 5)

ENWW	Removal and replacement procedures 19

3.Release one tab (callout 1) at the bottom edge of the cover.

Figure 1-26 Remove the right cover (3 of 5)

4.Release one tab (callout 1) at the top of the right cover.

Figure 1-27 Remove the right cover (4 of 5)

20 Chapter 1 Removal and replacement

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5.Pull the rear edge of the cover away from the product, slide the cover toward the front of the product to release it, and then remove the cover (callout 1).

Figure 1-28 Remove the right cover (5 of 5)

ENWW	Removal and replacement procedures 21

Duplex door

Open the duplex door (callout 1), release one of the hinges (callout 2) by pushing inward on the door retainer. Swing the door away from the product to release the second hinge, and then remove the door.

Figure 1-29 Remove the duplex door

22 Chapter 1 Removal and replacement

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Duplex frame

Before proceeding, remove the following components:

●Left cover. See Left cover on page 12.

●Right cover. See Right cover on page 19.

●Duplex door. See Duplex door on page 22.

Remove the duplex frame

1.Remove four screws (callout 1).

Figure 1-30 Remove the duplex frame (1 of 2)

2.Release three tabs (callout 1), slide the duplex frame down (callout 2), and then remove the duplex frame.

Figure 1-31 Remove the duplex frame (2 of 2)

ENWW	Removal and replacement procedures 23

Cartridge door

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

●Scanner assembly. See Scanner assembly on page 15.

Remove the cartridge door

CAUTION: The cartridge door connecting arms can easily come apart once the cartridge door is removed. Do not lose the cartridge door arms while servicing the product.

1.Open the cartridge door, and then squeeze together the tabs (callout 1) on the right side link arm (callout 2).

Figure 1-32 Remove the cartridge door (1 of 5)

24 Chapter 1 Removal and replacement

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2.Squeeze together the tabs (callout 1) on the cartridge door open indicator arm (callout 2) to release it from the door.

Figure 1-33 Remove the cartridge door (2 of 5)

3.Squeeze together the tabs (callout 1) on the left side link arm (callout 2) to release it from the door.

Figure 1-34 Remove the cartridge door (3 of 5)

ENWW	Removal and replacement procedures 25

4.Squeeze together the tabs (callout 1) on the cartridge door lift arm (callout 2) to release it from the door.

Figure 1-35 Remove the cartridge door (4 of 5)

5.Lift the cartridge door straight up (callout 1), and then remove it .

Figure 1-36 Remove the cartridge door (5 of 5)

26 Chapter 1 Removal and replacement

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Front cover

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

●Right cover. See Right cover on page 19.

Remove the front cover

▲Release two tabs (callout 1), and then pull the bottom edge of the front cover (callout 2) away from the product to remove it.

Figure 1-37 Remove the front cover

ENWW	Removal and replacement procedures 27

Upper cover

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

●Right cover. See Right cover on page 19.

●Scanner assembly. See Scanner assembly on page 15.

●Cartridge door. See Cartridge door on page 24.

●Front cover. See Front cover on page 27.

Remove the upper cover

▲Remove four screws (callout 1), and then remove the upper cover (callout 2).

CAUTION: Do not lose the cartridge door arms while servicing the product. The cartridge door connecting arms can easily come apart once the cartridge door is removed.

Figure 1-38 Remove the upper cover

28 Chapter 1 Removal and replacement

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Main assemblies

Formatter PCA

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

Remove the formatter PCA

1.Disconnect three FFCs (callout 1).

Figure 1-39 Remove the formatter PCA (1 of 2)

ENWW	Removal and replacement procedures 29

2.Remove five screws (callout 1), disconnect one connector (callout 2), disconnect two FFCs (callout 3), and then remove the formatter PCA.

Figure 1-40 Remove the formatter PCA (2 of 2)

30 Chapter 1 Removal and replacement

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Fax PCA

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

Remove the fax PCA

▲Remove one FFC (callout 1), remove four screws (callout 2), and then remove the fax PCA.

Figure 1-41 Remove the fax PCA

ENWW	Removal and replacement procedures 31

Laser scanner assembly

Before proceeding, remove the following components:

●Main tray. See Main tray on page 10.

●Output bin extension. See Output bin extension on page 11.

●Left cover. See Left cover on page 12.

●Scanner assembly. See Scanner assembly on page 15.

●Right cover. See Right cover on page 19.

●Front cover. See Front cover on page 27.

●Cartridge door. See Cartridge door on page 24.

●Upper cover. See Upper cover on page 28.

Remove the laser scanner assembly

1.Release one tab (callout 1), and then slide the holder (callout 2) forward to remove it.

Figure 1-42 Remove the laser scanner assembly (1 of 5)

32 Chapter 1 Removal and replacement

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2.Remove four screws (callout 1), and then remove the laser scanner cover (callout 2) and the sheet-metal plate (callout 3) together.

CAUTION: The laser scanner cover (callout 2) and sheet-metal plate (callout 3) can be easily separated. Do not lose the plate while servicing the product.

TIP: When the cover is reinstalled, make sure that the black screws (callout 4) are installed in the correct holes.

Figure 1-43 Remove the laser scanner assembly (2 of 5)

3.Disconnect one FFC (callout 1), and then remove four screws (callout 2).

Figure 1-44 Remove the laser scanner assembly (3 of 5)

ENWW	Removal and replacement procedures 33

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