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HP LaserJet Pro M402d

HP LaserJet Pro M402d
204 pages
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Troubleshooting Manual
www.hp.com/support/ljM402
www.hp.com/support/ljM403
www.hp.com/support/ljM426MFP
www.hp.com/support/ljM427MFP
For printer theory and troubleshooting
information, see the Repair Manual.
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M403n
M403d
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M426dw
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M426fdw
M427dw
M427fdn
M427fdw
LaserJet Pro MFP M426, M427
LaserJet Pro M402, M403
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HP LaserJet Pro M402d Specifications

General IconGeneral
Print TechnologyLaser
Print SpeedUp to 40 ppm
Print ResolutionUp to 1200 x 1200 dpi
Monthly Duty CycleUp to 80, 000 pages
Recommended Monthly Page Volume750 to 4, 000 pages
Processor Speed1200 MHz
Memory128 MB
Number of Print Cartridges1 (black)
Standard Output Capacity150 sheets
Maximum Output Capacity150 sheets
Duplex Media Weight60 to 120 g/m²
Operating Temperature15 to 32.5°C
Operating Relative Humidity30 to 70% RH
Dimensions381 x 357 x 216 mm
Duplex PrintingStandard
ConnectivityUSB 2.0, Ethernet
Multi-purpose Tray Capacity100 sheets
Paper Tray Media TypesPaper (plain, EcoFFICIENT, light, heavy, bond, colored, preprinted, pre-punched, recycled, rough); envelopes; labels; cardstock; transparencies
Standard Paper Tray Media SizesA4; A5; A6; B5 (JIS)
Multi-purpose Tray Media SizesA4; A5; A6; B5 (JIS)
First Page OutAs fast as 5.6 seconds

Summary

Theory of Operation

Basic Operation

Explains the fundamental processes and systems involved in printer operation.

Engine-control System

Details the engine-control system components and their interaction with other printer systems.

Image-formation Process

Describes the steps involved in creating the printed image on paper.

Pickup, Feed, and Delivery System

Explains the system responsible for moving paper through the printer.

Solve Problems

Troubleshooting Process

Guides users through diagnosing and filtering potential causes of printer issues.

Paper Jam Resolution

Provides instructions for clearing paper jams in various locations for different printer models.

Paper Handling and Image Quality

Addresses issues related to paper feeding and print quality problems.

Performance and Connectivity

Covers solutions for slow printing, no printing, and network connectivity issues.

Maintenance and Specific Functions

Details service modes, resets, firmware updates, fax, and email troubleshooting.

Printer Specifications

Printer Dimensions

Provides physical dimensions for M426/M427 and M402/M403 printer models.

Power and Environmental Specifications

Details power consumption, electrical specifications, emissions, and operating environment.

Certificate of Volatility

Documents the volatile and non-volatile memory contents of the printer.

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