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HP LaserJet M1120 - Multifunction Printer User Manual

HP LaserJet M1120 - Multifunction Printer
224 pages
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Control-panel assembly ..................................................................................................... 58
Scanner assembly ............................................................................................................. 60
Product base ...................................................................................................................................... 65
Print cartridge .................................................................................................................... 65
Separation pad .................................................................................................................. 66
Pickup roller ....................................................................................................................... 67
Scanner cushions .............................................................................................................. 70
Media input tray ................................................................................................................. 71
Transfer roller .................................................................................................................... 73
Side covers ........................................................................................................................ 74
Print-cartridge door ............................................................................................................ 76
Rear cover and fuser cover ............................................................................................... 77
Front cover ......................................................................................................................... 79
Formatter ........................................................................................................................... 81
Power supply ..................................................................................................................... 82
Scanner support frame ...................................................................................................... 86
Laser/scanner assembly .................................................................................................... 89
Main motor ......................................................................................................................... 93
Fuser .................................................................................................................................. 96
Paper-pickup assembly ................................................................................................... 100
Drive-gear assembly and drive belt ................................................................................. 103
6 Problem solve
Problem-solving checklist ................................................................................................................. 106
Control-panel messages .................................................................................................................. 108
Alert and warning messages .......................................................................................... 108
Alert and warning message tables .................................................................. 108
Critical error messages .................................................................................................... 109
Critical error message-tables .......................................................................... 109
Clear jams ........................................................................................................................................ 111
Causes of jams ................................................................................................................ 111
Where to look for jams ..................................................................................................... 112
Clear jams from the input-tray areas ............................................................................... 112
Clear jams from the output bin ......................................................................................... 115
Clear jams from the print-cartridge area .......................................................................... 116
Avoid repeated jams ....................................................................................................... 117
Print problems .................................................................................................................................. 118
Print-quality problems ...................................................................................................... 118
Improve print quality ........................................................................................ 118
Print-quality settings ....................................................................... 118
Identify and correct print defects ..................................................................... 119
Print-quality checklist ...................................................................... 119
General print-quality issues ............................................................ 120
Scan problems ................................................................................................................................. 124
Solve scanned-image problems ...................................................................................... 124
Scan-quality problems ..................................................................................................... 126
Prevent problems ............................................................................................ 126
Solve scan-quality problems ........................................................................... 126
Copy problems ................................................................................................................................. 127
Prevent problems ............................................................................................................. 127
ENWW v

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HP LaserJet M1120 - Multifunction Printer Specifications

General IconGeneral
Print TechnologyLaser
Scanner TypeFlatbed
Scan Input Colour Depth24-bit
FunctionsPrint, Copy, Scan
Print Speed19 ppm
ConnectivityUSB 2.0
Media Sizes SupportedA4, A5, A6, B5, Envelopes
Time to First Page8.5 sec
Copy Speed19 cpm
Maximum Number of Copies99 copies
Maximum Scan Area21.6 x 29.7 cm
Standard Input Capacity150 sheets
Standard Output Capacity100 sheets
Power Consumption (typical)370 W
Supported Operating SystemsMac OS
Scan ResolutionUp to 1200 dpi (color and monochrome, flatbed)

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