HP LaserJet 1022 1022n 1022nw.pdf

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HP LaserJet 1022 Series Service Manual
HP LaserJet 1022, 1022n, 1022nw
Service Manual
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HP LaserJet 1022 series printers
Service Manual
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Table of contents
1 Product Information
Product configurations............................................................................................................................2
HP LaserJet 1022 printer.......................................................................................................2
HP LaserJet 1022n printer.....................................................................................................2
HP LaserJet 1022nw printer..................................................................................................2
Overview of product...............................................................................................................................3
HP LaserJet 1022 series printers..........................................................................................3
Model and serial numbers.....................................................................................................5
Hardware description.............................................................................................................5
Firmware description ............................................................................................................5
Product specifications............................................................................................................................6
Physical specifications...........................................................................................................6
Printer performance...............................................................................................................6
Environmental specification...................................................................................................6
Electrical specifications..........................................................................................................7
Acoustic emissions................................................................................................................7
Extended warranty.................................................................................................................................8
Print-cartridge information .....................................................................................................................9
Refilled print cartridges ........................................................................................................9
Recycling print cartridges .....................................................................................................9
Regulatory information.........................................................................................................................10
FCC compliance..................................................................................................................10
Canadian DOC regulations..................................................................................................10
Korean EMI statement.........................................................................................................10
Laser statement for Finland.................................................................................................11
............................................................................................................................11
2 Installation and Operation
Operating environment ........................................................................................................................14
Identifying the control-panel components.............................................................................................15
Media specifications.............................................................................................................................16
Supported media sizes........................................................................................................16
Guidelines for using media...................................................................................................................17
Paper and transparencies ...................................................................................................17
Common media problems table ..........................................................................................17
Labels..................................................................................................................................17
Envelopes ...........................................................................................................................18
Envelopes with double-side seams.....................................................................18
Envelopes with adhesive strips or flaps..............................................................18
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Card stock and heavy media ..............................................................................................19
Card-stock construction......................................................................................19
Card-stock guidelines..........................................................................................19
Loading media......................................................................................................................................20
Main input tray.....................................................................................................................20
Priority feed slot...................................................................................................................20
Specific types of media .......................................................................................................20
Setting media types..............................................................................................................................21
Set the media type...............................................................................................................21
3 Maintenance
Life expectancies of parts that wear ....................................................................................................24
Cleaning the product............................................................................................................................26
Cleaning the print path.........................................................................................................26
Cleaning the print-cartridge area.........................................................................................27
Cleaning the pickup roller ...................................................................................................29
User-replaceable parts ........................................................................................................................30
Replacing the pickup roller..................................................................................................30
Replacing the separation pad .............................................................................................33
Replacing the main input tray (paper-pickup tray assembly)...............................................35
Replacing the output-bin extension (delivery-tray assembly) .............................................36
Jams.....................................................................................................................................................37
Clearing jams.......................................................................................................................37
Typical media jam locations................................................................................37
Removing a jammed page..................................................................................38
4 Operational overview
Basic functions.....................................................................................................................................42
Formatter system.................................................................................................................................43
Central processing unit .......................................................................................................43
RAM.....................................................................................................................................43
USB interface.......................................................................................................................43
Control panel.......................................................................................................................43
Draft mode (EconoMode)....................................................................................................43
HP Memory Enhancement technology (MEt)......................................................................44
Enhanced I/O ......................................................................................................................44
Printer operation...................................................................................................................................45
Engine control system (engine control unit and power assembly).......................................46
Printer-engine-control system.............................................................................46
Printer laser/scanner unit ...................................................................................47
Power system on the engine-power assembly....................................................48
Image-formation system......................................................................................................49
The seven image-formation processes ..............................................................50
Print cartridge......................................................................................................51
Printer-paper feed system...................................................................................................51
Jam detection .....................................................................................................................53
Conditions of jam detection.................................................................................53
Solenoid, sensors, switches, and motor..............................................................................54
Basic sequence of operation (formatter-to-printer)..............................................................55
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ENWW

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