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HP LaserJet 4100mfp 4101mfp

Tags : HPLaserJet4100mfpC9148A4101mfpC9149AC9148-90909 
HP LaserJet 4100mfp 4101mfp Manuel de service

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Description

HP LaserJet 4100mfp Service Manual
Publication number C9148-90909
Second edition, April 2002

HP LaserJet 4100mfp (C9148A)
HP LaserJet 4101mfp (C9149A)

List of tables
1 Product Information
Introduction 14
Product configurations14
HP LaserJet 4100mfp (C9148A) . 14
HP LaserJet 4101mfp (C9149A) . 14
Product features 15
Product speed and throughput 15
Image quality 15
Paper handling. 15
Copying capability 15
Expandable design . 16
Product specifications 16
Media specifications . 18
Special considerations for ADF documents . 18
Supported media for the glass 18
Model and serial numbers 19
Product overview20
Front view 20
Back view. 21
2 Service approach
Service approach . 24
Major assemblies . 24
Contact HP 25
World Wide Web . 25
HP support assistant CD-ROM 25
HP authorized resellers and support 25
HP service agreements 25
3 Operation
Using the ADF unit 28
General guidelines for using the ADF unit . 28
Using the glass . 29
General guidelines for using the glass. 29
Using the control panel . 30
Layout and operation . 30
Navigation 31
Walk-up copy display . 31
Status bar 31
Menus . 32
Configure device, diagnostic, and service menus . 32
Menu map . 33
4 Maintenance
Cleaning the product 36
General guidelines . 36
Running the cleaning page . 37
Cleaning the ADF delivery guide (clear mylar strip) 37
User-replaceable parts . 39
Replacing user-replaceable parts . 39
Updating product firmware 41
Downloading a remote firmware update 41
Installing the update 41
RFU installation messages 41
Using HP Web JetAdmin (single update) . 42
Using HP Web JetAdmin (multiple or unattended update) 42
Windows parallel connection (local printer) . 43
Windows parallel connection (network printer) . 43
Troubleshooting RFU installation 44
RFU installation error messages . 44
Performing hard-drive disk initialization . 45
Cold Reset . 45
NVRAM initialization 46
Calibration 47
Performing automatic Calibration 47
Performing manual calibration 48
Lead adjustment for the ADF. 48
Center adjustment for the ADF . 49
Leading-edge adjustment for the glass . 49
Side-edge adjustment for the glass 50
5 Theory of operation
Introduction52
Overview52
Document transportation process 52
Document exposure system 52
Light-conversion process 53
General descriptions. 54
Scan-unit components 55
ADF components 56
Copy processor board 57
CPB terminology 57
Typical scanning-process flow58
Copy processor board LEDs . 59
Scanner controller board. 61
ADF motor circuit . 61
Optical-unit motor circuit 61
Scan-unit intake-fan motor circuit . 61
Scanner controller board connectors . 62
Intermediate PCB. 63
Power supply 63
Overcurrent and overvoltage protection . 63
Power-supply block diagram64
Optical unit . 65
Inverter PCB 66
Scanning lamp . 66
CCD driver PCB66
ADF document-feed system 67
Overview. 67
ADF cover sensor (PS10) . 68
Document-detect sensor (PS2) . 68
Leading-edge sensor (PS1) 68
ADF motor . 68
Document pickup process . 68
Document jams . 68
Scan-unit intake fan . 68
6 Removal and replacement
Removal and replacement strategy70
Required tools . 70
Before performing service 70
After performing service70
Common fasteners71
Parts removal order . 72
User-replaceable parts . 73
ADF input tray . 73
ADF pickup roller 74
ADF separation roller . 76
ADF separation pad 77
ADF unit . 78
Assemblies and covers . 79
Control-panel door . 79
Scan-unit right-side cover 82
Copy processor board . 83
Scan-unit left-side cover . 84
Intake fan filter . 86
Formatter cage. 87
Scan unit . 89
Printing-unit top cover . 91
Glass 92
Scanning lamp . 93
Optical unit 95
ADF door open sensor (PS10) 98
Optical-unit drive gear/motor assembly 99
Scan-unit power supply . 101
Inverter PCB . 103
Scanner controller PCB . 104
Intake fan 106
7 Troubleshooting
Troubleshooting process 111
Preliminary operating checks 112
Installation conditions . 112
Media condition 112
Unit condition 112
Basic troubleshooting process flow113
Basic troubleshooting . 114
Power-on defects . 116
Troubleshooting with the control panel117
Control-panel display 117
Event log117
Print the event log 117
Interpret the event log . 118
Display the event log 119
Control-panel messages 120
Troubleshooting with the copy processor board 124
User-level and service-level diagnostics 126
ADF paper-path test . 126
To print a paper-path test 126
Diagnostic tests. 126
To perform a diagnostic test 126
Service-level diagnostics 127
Service menu 127
To access the service menu (PIN code: 04410002) 127
Jam troubleshooting 128
Jams . 128
Clearing repeated ADF jams. 129
Creating a customer print job 129
Evaluate the information pages . 130
Configuration page . 130
Configuration-page elements . 130
JetDirect page132
JetDirect-page elements . 132
Supplies status page. 133
Supplies-page elements . 133
Usage page . 134
File directory page 135
File-directory-page elements 135
Image-formation troubleshooting 136
Checking the print cartridge . 137
EconoMode137
Image-defect tables . 138
Media troubleshooting 140
Isolate a paper path . 140
Use the straightest paper path. 140
Isolate the source of the jam 140
Determine where media jams occur 140
Is the MFP is misfeeding or creating multifeed jams 140
Isolate a media brand 141
Isolate a media type . 141
Wiring diagrams . 142
8 Parts and diagrams
Ordering parts, supplies and getting support144
Parts . 144
Related documentation and software 144
Support . 144
Accessories . 145
Consumables 145
Common hardware 146
HP Laserjet 4100 differences. 146
How to use the parts lists and diagrams . 147
Parts lists and diagrams . 148
Alphabetical parts list . 162
Numerical parts list . 164



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