Lexmark C792 series User Manual

Diagnostic information 2-155
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Interlock switch error service check
Step Questions / actions Yes No
1 Has the printhead been replaced recently? Go to step 2. Go to step 3.
2
Check to see if the printhead flat cables are
switched. The cables should be straight from
the printhead to the system board connectors.
Are the cables switched?
Replace the printhead. See
“Printhead removal,
installation, and
alignment” on
page 4-123.
Reseat the cable.
3
Turn the printer off, and open the system
board shield. Check the cable in connectors
JCRV1 for proper connection to the system
board.
Is the cable connected correctly?
Replace the interlock
housing. See “Housing
interlock assembly
removal” on page 4-75.
Reseat the cable.
4
Replace the interlock housing. See “Housing
interlock assembly removal” on page 4-75.
Does the error reoccur?
Replace the system board.
See “System board
removal” on page 4-151.
Problem resolved

Lexmark C792 series Specifications

General

Print Technology	Color Laser
Print Speed (Letter, Black)	50 ppm
Print Speed (Letter, Color)	50 ppm
Processor Speed	1.2 GHz
Monthly Duty Cycle	150, 000 pages
Maximum Paper Size	8.5 x 14 inches (Legal)
Operating System Compatibility	Windows, Mac OS, Linux
Print Resolution	1200 x 1200 dpi
Duplex Printing	Standard
Connectivity	USB, Ethernet
Media Sizes Supported	A4, A5, Letter, Legal, Executive, Folio, JIS B5
Media Types Supported	Card Stock, Envelopes, Labels, Plain Paper, Transparencies
Input Capacity (Standard)	650 sheets
Output Capacity (Standard)	500 sheets