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HP LaserJet M1120 Service Manual - Page 220

HP Web Jetadmin, SupportPack, HP

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media detection 42 scanner operations 36 separation pad replacing 66 separation pad, locating 38 separation pads diagrams 147 sequence of operations 34 serial number, locating 6 service critical error messages 109 part numbers 152 repacking device 184 secondary menu 135 service agreements 184 Service menu 138 servicing 49 servicing product 48 settings configuration page 137 factory-set defaults, restoring 138 NVRAM initialization 135 shipping device 184 side covers remove product 74 size 186 size, copy troubleshooting 130 skewed pages 122 slow speed, troubleshooting scanning 125 smeared toner, troubleshooting 121 software advanced installation 8 components 7 easy installation 7 embedded Web server 9, 10, 30 HP Web Jetadmin 30 supported operating systems 7 system requirements 17 uninstall 11 Windows 9 solenoid 144 specifications acoustic emissions 187 electrical 186 environmental 187 physical 186 product features 4 specks, troubleshooting 120 speed print specifications 4 scanning, troubleshooting 125 spots, troubleshooting scans 126 staple cassette life expectancy 24 static, precautions 49 status supplies, checking 24 storing environmental specifications 187 print cartridges 24 streaks, troubleshooting 120 supplies HP fraud hotline 27 life expectancies 24 manage 24 non-HP supplies, HP Policy 26 print cartridges, replacing 25 recycling 191 replacing 25 status, checking 24 storing 24 support online 184 repacking device 184 support frame, scanner remove 86 supported media 12 SupportPack, HP 184 system requirements 17 T technical support online 184 repacking device 184 telephone numbers HP fraud hotline 27 temperature specifications environment 187 tests copy-quality 51 engine test page 131 half-self functional check 132 heating element 133 high-voltage power supply 133 post-service 51 print-quality 51 text, troubleshooting 122 toner cleaning page, printing 138 loose, troubleshooting 121 scatter, troubleshooting 123 smeared, troubleshooting 121 specks, troubleshooting 120 tools required 49 troubleshooting 137 transfer roller remove 73 transfer rollers, locating 38 transfer unit warranty 183 tray 1 install 20 jams, clearing 112 locating 5 trays capacities 4 capacity 13 feeding operations 42 jams, clearing 112 multi-purpose, locating 38 pickup/feed/delivery system 42 remove 71 troubleshooting blank scans 126 checklist 106 cleaning page 138 configuration page 137 control panel messages 108 copy quality 127 copy size 130 copying 130 critical error messages 109 curled media 122, 138 demo page 137 diagrams 140 dots, copies 128 engine test page 131 faded print 120 half self-test 132 204 Index ENWW

Section	Page
Product information	17
Quick access to product information	18
Product comparison	19
Product features	20
Product walkaround	21
Front view	21
Back view	21
Interface ports	22
Serial number and model number location	22
Software description	23
Supported operating systems	23
Supported printer drivers	23
Software included with the product	23
Easy installation for Windows	23
Advanced installation	24
Macintosh software	24
Software for Windows	25
Embedded Web server (network models only)	25
Status Alerts software	25
Other Windows components and utilities	25
Software for Macintosh	26
Embedded Web server (network models only)	26
HP Director	26
Uninstall software	27
Windows	27
Macintosh	27
Media specifications	28
Supported paper and print media sizes	28
Supported paper types and tray capacity	29
Installation	31
Site preparations	32
Operating environment	32
Minimum system requirements	33
What was in the box	34
Install input devices	35
Priority input tray	35
Tray 1	36
Install supplies	37
Install the print cartridge	37
Maintenance	39
Manage supplies	40
Life expectancies of supplies	40
Check and order supplies	40
Store supplies	40
Replace supplies	41
Print cartridge	41
HP policy on non-HP supplies	42
HP fraud hotline	43
Clean the product	44
Clean the exterior	44
Clean the flatbed scanner glass	44
Clean the lid backing	44
Clean the paper path	45
Management tools	46
Information pages	46
Embedded Web server	46
Features	47
Operational theory	49
Basic operation	50
Sequence of operation for the base unit	50
Scanner functions and operation	52
Scanner functions	52
Scanner operation	53
Internal components (base unit)	54
Engine control system	55
Laser/scanner system	57
Pickup/feed/delivery system	58
Image-formation system	59
Removal and replacement	63
Removal and replacement strategy	64
Introduction	64
Removal and replacement warnings, cautions, notes, and tips	64
Electrostatic discharge	65
Required tools	65
Before performing service	65
After performing service	66
Post-service tests	67
Test 1 (print-quality test)	67
Test 2 (copy-quality test)	67
Parts removal order	68
Scanner assembly	69
Link assemblies and scanner support-frame spring	69
Scanner lid	72
Control-panel overlay	73
Control-panel assembly	74
Scanner assembly	76
Product base	81
Print cartridge	81
Separation pad	82
Pickup roller	83
Scanner cushions	86
Media input tray	87
Transfer roller	89
Side covers	90
Print-cartridge door	92
Rear cover and fuser cover	93
Front cover	95
Formatter	97
Power supply	98
Scanner support frame	102
Laser/scanner assembly	105
Main motor	109
Fuser	112
Paper-pickup assembly	116
Drive-gear assembly and drive belt	119
Problem solve	121
Problem-solving checklist	122
Control-panel messages	124
Alert and warning messages	124
Alert and warning message tables	124
Critical error messages	125
Critical error message-tables	125
Clear jams	127
Causes of jams	127
Where to look for jams	128
Clear jams from the input-tray areas	128
Clear jams from the output bin	131
Clear jams from the print-cartridge area	132
Avoid repeated jams	133
Print problems	134
Print-quality problems	134
Improve print quality	134
Print-quality settings	134
Temporarily change print-quality settings	134
Change print-quality settings for all future jobs	134
Identify and correct print defects	135
Print-quality checklist	135
General print-quality issues	136
Scan problems	140
Solve scanned-image problems	140
Scan-quality problems	142
Prevent problems	142
Solve scan-quality problems	142
Copy problems	143
Prevent problems	143
Image problems	143
Media-handling problems	144
Performance problems	146
Functional checks	147
Engine test page	147
Drum rotation test	147
Half self-test functional check	148
Perform a half self-test check	148
Perform other checks	148
Heating element check	149
High-voltage contacts check	149
Check the print-cartridge contacts	149
Check the high-voltage connector assembly	150
Service-mode functions	151
NVRAM initialization	151
Super NVRAM initialization	151
Secondary service menu	151
Problem-solving tools	153
Product information pages and reports	153
Configuration page	153
Demo page	153
Menu map	153
Service menu	154
Restore the factory-set defaults	154
Clean the paper path	154
Archive print	154
Problem-solving diagrams	156
Repetitive image defects	156
Interface ports	157
Formatter connectors	158
ECU connectors	159
Solenoid and motor	160
Rollers	161
Sensors	162
Major components	163
PCAs (base unit)	164
Circuit diagram	165
Firmware updates	166
Parts	167
Ordering information	168
Supplies and hinge tool	168
Cable and interface accessories	168
Whole-unit replacement	169
Control-panel overlays	173
Supplementry documentation and support	176
Parts lists and diagrams	178
Types of screws	179
Scanner assemblies	180
Assemblies	182
External covers and panels	184
Internal components (1 of 3)	186
Internal components (2 of 3)	188
Internal components (3 of 3)	190
Alphabetical parts list	192
Numerical parts list	194
Service and support	197
Hewlett-Packard limited warranty statement	197
Customer self repair warranty service	198
Print cartridge limited warranty statement	199
Customer support	200
HP maintenance agreements	200
Repacking the device	200
Extended warranty	200
Specifications	201
Physical specifications	202
Electrical specifications	202
Power consumption	202
Environmental specifications	203
Acoustic emissions	203
Regulatory information	205
FCC compliance	206
Environmental product stewardship program	206
Protecting the environment	206
Ozone production	206
Power consumption	206
Toner consumption	206
Paper use	206
Plastics	207
HP LaserJet print supplies	207
Return and recycling instructions	207
United States and Puerto Rico	207
Multiple returns (two to eight cartridges)	207
Single returns	207
Shipping	207
Non-US returns	208
Paper	208
Material restrictions	208
Disposal of waste equipment by users in private households in the European Union	208
Material Safety Data Sheet (MSDS)	208
For more information	208
Declaration of conformity	210
Safety statements	211
Laser safety	211
Canadian DOC regulations	211
EMI statement (Korea)	211
Laser statement for Finland	212
Substances table (China)	212

Match case Limit results 1 per page

media detection

scanner operations

separation pad

replacing

separation pad, locating

separation pads

diagrams

147

sequence of operations

serial number, locating

service

critical error messages

109

part numbers

152

repacking device

184

secondary menu

135

service agreements

184

Service menu

138

servicing

servicing product

settings

configuration page

137

factory-set defaults,

restoring

138

NVRAM initialization

135

shipping device

184

side covers

remove product

size

186

size, copy

troubleshooting

130

skewed pages

122

slow speed, troubleshooting

scanning

125

smeared toner,

troubleshooting

121

software

advanced installation

components

easy installation

embedded Web server

10,

HP Web Jetadmin

supported operating

systems

system requirements

uninstall

Windows

solenoid

144

specifications

acoustic emissions

187

electrical

186

environmental

187

physical

186

product features

specks, troubleshooting

120

speed

print specifications

scanning, troubleshooting

125

spots, troubleshooting

scans

126

staple cassette

life expectancy

static, precautions

status

supplies, checking

storing

environmental

specifications

187

print cartridges

streaks, troubleshooting

120

supplies

HP fraud hotline

life expectancies

manage

non-HP supplies, HP

Policy

print cartridges, replacing

recycling

191

replacing

status, checking

storing

support

online

184

repacking device

184

support frame, scanner

remove

supported media

SupportPack, HP

184

system requirements

technical support

online

184

repacking device

184

telephone numbers

HP fraud hotline

temperature specifications

environment

187

tests

copy-quality

engine test page

131

half-self functional check

132

heating element

133

high-voltage power

supply

133

post-service

print-quality

text, troubleshooting

122

toner

cleaning page, printing

138

loose, troubleshooting

121

scatter, troubleshooting

123

smeared, troubleshooting

121

specks, troubleshooting

120

tools

required

troubleshooting

137

transfer roller

remove

transfer rollers, locating

transfer unit warranty

183

tray 1

install

jams, clearing

112

locating

trays

capacities

capacity

feeding operations

jams, clearing

112

multi-purpose, locating

pickup/feed/delivery

system

remove

troubleshooting

blank scans

126

checklist

106

cleaning page

138

configuration page

137

control panel messages

108

copy quality

127

copy size

130

copying

130

critical error messages

109

curled media

122,

138

demo page

137

diagrams

140

dots, copies

128

engine test page

131

faded print

120

half self-test

132

204

Index

ENWW