Lexmark C910 Service Manual

2-14 Service Manual
5055-01X
933 - Black Printhead Error
934 - Color Drum Sensor Error
Step
Questions /
Actions
Yes No
1 Check to ensure that
the cables between
the LED printhead
and the printhead
controller board as
well as the cables
between the
printhead controller
board and the printer
controller board are
properly connected.
Are they properly
connected?
Go to step 2. Properly connect
the cables.
2 Is fuse 4 on the
printhead control
board open?
Replace the
printhead control
board, cables (K13,
K24), and LED
printhead.
Replace the
printhead
controller board.
3 Did replacement of
the printhead
controller board
correct the problem?
Problem solved. Replace the
printer controller
board.
934 Service
Drum Sensor
Step
Questions /
Actions
Yes No
1 Is connector CN28
connected properly?
Go to step 2. Plug the connector
in securely.
2 Clean the color drum
sensor LED. Did this
fix the problem?
Problem solved. Replace the color
drum sensor.
Go to step 3.

Lexmark C910 Specifications

General

Brand	Lexmark
Model	C910
Category	Printer
Language	English