Service Manual HP LaserJet 1160 printer and HP LaserJet 1320 Series printer

HP LaserJet 1160 printer and. HP LaserJet 1320 Series printer. Service Manual. Page 4. Copyright information. © 2004 Copyright Hewlett-Packard

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Service Manual HP LaserJet 1160 printer and HP LaserJet 1320 Series printer
Chapter contents…1
Printer configurations…2
HP LaserJet 1160 and HP LaserJet 1320 Series printers base models…3
Features…4
HP LaserJet 1160 printer…4
HP LaserJet 1320 Series printer…4
HP LaserJet 1320n printer…5
HP LaserJet 1320tn printer…5
HP LaserJet 1320nw printer…5
Specifications…6
Physical specifications …6
Printer capacities and ratings …6
Memory specifications …7
Port availability …7
Electrical specifications …8
Acoustic emissions …10
Environmental specifications …10
Print media specifications …11
Supported media sizes …11
Hewlett-Packard limited warranty statement …12
Hewlett-Packard software license agreement …13
Print cartridge limited warranty …14
HP LaserJet printing supplies …15
Declaration of Conformity statements …16
Country/region-specific safety statements …18
Laser safety statement …18
Canadian DOC regulations …18
Korean EMI statement …18
Laser statement for Finland …19
2 Installation
Chapter contents…21
Operating environment …22
Printer connections …22
Software…24
Supported operating systems …24
Software for Windows …25
Software for Macintosh computers …27
3 Operation
Chapter contents…29
Printer control panel …30
Status-light patterns …31
Printer information pages …37
Demo page …37
Configuration page …37
Supplies Status page …37
Network Configuration page …37
Using the HP Toolbox …38
Supported operating systems …38
Supported browsers …38
To view the HP Toolbox on Windows systems …39
To view the HP Toolbox on Macintosh systems …39
HP Toolbox sections …39
Other links …39
Status tab …39
Troubleshooting tab …40
Alerts tab …40
Documentation tab …40
Advanced Printer Settings window …41
Network window …41
Using the embedded Web server …42
To open the embedded Web server …42
Information tab …43
Settings tab …43
Networking tab …43
Other links …44
Wireless printing …45
IEEE 802.11b/g standard …45
Bluetooth …45
4 Maintenance
Chapter contents…47
Replacing the print cartridge…48
To replace the print cartridge…48
Cleaning the printer …49
Cleaning the print-cartridge area …49
Cleaning the printer media path …51
Changing the pickup roller …52
Cleaning the pickup roller …58
Changing the printer separation pad …59
Cleaning the printer separation pad…63
5 Theory of operation
Chapter contents…65
Introduction…66
Internal components…67
Timing…68
Engine control system…70
Laser/scanner system…72
Pickup/feed/delery system…73
Image-formation system…75
6 Removal and replacement
Chapter contents…79
Introduction …80
Removal and replacement strategy …80
Electrostatic discharge …80
User-replaceable parts …80
Required tools …80
Before performing service …81
Pre-service procedures …81
Parts removal order …81
Covers…82
Left-side cover…82
Right-side cover…84
Back cover…86
Duplexer tray…89
Top cover…90
Control panel…93
Formatter…95
Laser/scanner…96
Memory-tag-reader assembly…97
Duplex-dre PCA…99
Fuser…101
Fan…101
Duplex-dre gears/face-down gears…103
Duplex solenoid (SL3) (HP LaserJet 1320 Series printers only)…106
Fuser…107
Interlock assembly…117
ECU…119
Main motor…127
Pickup and feed assemblies…129
Transfer roller…129
Registration assembly…130
Main gear assembly/tray 2 pickup solenoid…131
Print-cartridge door…135
Wireless communications card…137
7 Troubleshooting
Chapter contents…139
Basic troubleshooting…141
Paper-handling problems …144
Paper jam …144
Print is skewed (crooked) …144
More than one sheet of media feeds through the printer at one time …144
Printer does not pull media from the media input tray …145
Printer curled the media …145
Printed media does not exit to the correct path …145
Print job is extremely slow …145
Paper-path troubleshooting…146
Solving print paper-feed problems…146
Printed page is different than what appeared on screen …148
Garbled, incorrect, or incomplete text …148
Missing graphics or text, or blank pages …148
Page format is different than on another printer …149
Graphics quality …149
Status light patterns …150
Fatal error secondary messages…156
Accessory error secondary messages…159
Troubleshooting postscript (PS) errors …160
Image troubleshooting…161
Print cartridge problems…161
Solving image-quality problems …162
Clearing jams …170
Print-cartridge area …170
Input trays …172
Output bin …176
Straight-through output path …176
Automatic two-sided printing (duplexing) path …178
Functional checks…182
Engine test…182
Printing an engine test…182
Half self-test functional check…183
To perform a half self-test check…183
To perform other checks …183
Drum rotation functional check …184
Heating element check…185
High-voltage contacts check…186
To check the print cartridge contacts …186
To check the high-voltage connector assembly …186
Wired network setup problemsolving …187
NVRAM initialization…188
Cold reset…189
Troubleshooting tools and reference diagrams…190
Repetite image defects…190
General timing chart…191
Circuit diagram…192
Solenoids…194
Switches and sensors…195
Rollers and pads…196
8 Parts and diagrams
Chapter contents…197
Ordering parts and supplies …198
Parts …198
Related documentation and software …198
Supplies …198
Consumables and accessories…199
Assembly locations…202
Covers…206
Internal assemblies…208
Alphabetical parts list…226
Numerical parts list…230
Index
List of tables
Table 1-1.
Feature designations for HP LaserJet 1320 Series printers…2
Table 1-2.
Physical specifications…6
Table 1-3.
Printer capacities and ratings…6
Table 1-4.
Memory…7
Table 1-5.
Port availability…7
Table 1-6.
Electrical specifications, HP LaserJet 1160 printer …8
Table 1-7.
Electrical specifications, HP LaserJet 1320 printer …8
Table 1-8.
Electrical specifications, HP LaserJet 1320n printer …8
Table 1-9.
Electrical specifications, HP LaserJet 1320nw printer …9
Table 1-10.
Acoustic emissions, HP LaserJet 1160 printer …10
Table 1-11.
Acoustic emissions, HP LaserJet 1320 Series printer …10
Table 1-12.
Environmental specifications…10
Table 2-1.
Available printer drers …25
Table 3-1.
Light status legend …31
Table 3-2.
Control-panel-light message …31
Table 5-1.
Sequence of operation…68
Table 5-2.
Power-on sequence…68
Table 7-1.
Basic troubleshooting …141
Table 7-2.
Solving print paper-feed problems…146
Table 7-3.
Light status legend …150
Table 7-4.
Control panel light message…150
Table 7-5.
Fatal error secondary messages…156
Table 7-6.
Accessory error secondary messages…159
Table 7-7.
PS errors …160
Table 7-8.
Solving print image-quality problems…162
Table 7-9.
Repetite image defects…190
Table 8-1.
Technical support Web sites …198
Table 8-2.
Assembly locations (1 of 2)…203
Table 8-3.
Assembly locations (2 of 2)…205
Table 8-4.
Covers…207
Table 8-5.
Internal components (1 of 4)…209
Table 8-6.
Internal components (2 of 4)…211
Table 8-7.
Internal components (3 of 4)…213
Table 8-8.
Internal components (4 of 4)…215
Table 8-9.
ECU assembly…217
Table 8-10.
Duplex-dre assembly…219
Table 8-11.
Top output bin gear assembly…221
Table 8-12.
Tray 2 assembly…223
Table 8-13.
Duplexer…225
Table 8-14.
Alphabetical parts list…226
Table 8-15.
Numerical parts list…230
List of figures
Figure 1-1.
Front/right-side view…3
Figure 1-2.
Rear/left-side view…3
Figure 2-1.
USB connection…22
Figure 2-2.
Parallel connection…22
Figure 2-3.
Network connection…23
Figure 2-4.
Wireless connection, infrastructure mode…23
Figure 2-5.
Wireless connection, ad hoc mode…23
Figure 5-1.
Block diagram…66
Figure 5-2.
Cross-section of printer…67
Figure 5-3.
Engine control system…70
Figure 5-4.
Engine control system circuit diagram…71
Figure 5-5.
Laser/scanner system…72
Figure 5-6.
Pickup/feed/delery system…74
Figure 5-7.
Image-formation system…75
Figure 5-8.
Primary charging…75
Figure 5-9.
Developing…76
Figure 5-10.
Transfer…76
Figure 5-11.
Separation…77
Figure 5-12.
Fusing…77
Figure 5-13.
Drum cleaning…78
Figure 6-1.
Removing the left-side cover (1 of 2)…82
Figure 6-3.
Removing the right-side cover (1 of 2)…84
Figure 6-5.
Removing the back cover (1 of 2)…86
Figure 6-7.
Reinstalling the back cover…88
Figure 6-8.
Removing the duplexer tray…89
Figure 6-9.
Removing the top cover (1 of 3)…90
Figure 6-12.
Removing the control panel (1 of 2)…93
Figure 6-14.
Removing the formatter…95
Figure 6-15.
Removing the memory-tag-reader assembly (1 of 2)…97
Figure 6-16.
Removing the memory-tag-reader assembly (2 of 2)…98
Figure 6-17.
Removing the duplex-dre PCA (1 of 2)…99
Figure 6-18.
Removing the duplex-dre PCA (2 of 2)…100
Figure 6-19.
Removing the fan (1 of 2)…101
Figure 6-20.
Removing the duplex-dre gears/face-down gears…103
Figure 6-21.
Duplex-dre gears (HP LaserJet 1320 Series printers)…104
Figure 6-22.
Face-down gears (HP LaserJet 1160 printers)…105
Figure 6-23.
Removing the duplex solenoid…106
Figure 6-24.
Removing the fuser (1 of 10)…107
Figure 6-27.
Removing the fuser (4 of 10)…110
Figure 6-28.
Removing the fuser (5 of 10)…111
Figure 6-29.
Removing the fuser (6 of 10)…112
Figure 6-30.
Removing the fuser (7 of 10)…113
Figure 6-31.
Removing the fuser (8 of 10)…114
Figure 6-32.
Removing the fuser (9 of 10)…115
Figure 6-33.
Removing the fuser (10 of 10)…116
Figure 6-34.
Removing the interlock assembly (1 of 2)…117
Figure 6-35.
Removing the interlock assembly (2 of 2)…118
Figure 6-36.
Removing the ECU (1 of 8)…119
Figure 6-44.
Removing the main motor (1 of 2)…127
Figure 6-45.
Removing the main motor (2 of 2)…128
Figure 6-46.
Removing the transfer roller…129
Figure 6-47.
Removing the registration assembly…130
Figure 6-48.
Removing the main gear assembly (1 of 2)…131
Figure 6-50.
Removing the tray 2 pickup solenoid (1 of 2)…133
Figure 6-52.
Removing the print-cartridge door (1 of 2)…135
Figure 6-54.
Removing the wireless communications card (1 of 2)…137
Figure 7-1.
Location of engine-test switch…182
Figure 7-2.
Print cartridge high-voltage connection points (right side)…186
Figure 7-3.
Print cartridge high-voltage connection points (left side)…186
Figure 7-4.
Network Reset button…187
Figure 7-5.
General timing chart…191
Figure 7-6.
Circuit diagram (1 of 2)…192
Figure 7-7.
Circuit diagram (2 of 2)…193
Figure 7-8.
Solenoids…194
Figure 7-9.
Switches and sensors…195
Figure 7-10.
Rollers and pads…196
Figure 8-1.
Assembly locations (1 of 2)…202
Figure 8-2.
Assembly locations (2 of 2)…204
Figure 8-3.
Covers…206
Figure 8-4.
Internal components (1 of 4)…208
Figure 8-8.
ECU assembly…216
Figure 8-9.
Duplex-dre assembly…218
Figure 8-10.
Top output bin gear assembly…220
Figure 8-11.
Tray 2 assembly…222
Figure 8-12.
Duplexer…224
1 Product Information
Chapter contents
Chapter contents…1
Printer configurations…2
HP LaserJet 1160 and HP LaserJet 1320 Series printers base models…3
Features…4
HP LaserJet 1160 printer…4
HP LaserJet 1320 Series printer…4
HP LaserJet 1320n printer…5
HP LaserJet 1320tn printer…5
HP LaserJet 1320nw printer…5
Specifications…6
Physical specifications …6
Printer capacities and ratings …6
Memory specifications …7
Port availability …7
Electrical specifications …8
Acoustic emissions …10
Environmental specifications …10
Print media specifications …11
Supported media sizes …11
Hewlett-Packard limited warranty statement …12
Hewlett-Packard software license agreement …13
Print cartridge limited warranty …14
HP LaserJet printing supplies …15
Declaration of Conformity statements …16
Country/region-specific safety statements …18
Laser safety statement …18
Canadian DOC regulations …18
Korean EMI statement …18
Laser statement for Finland …19

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