Sensor (M Atc) Error; Sensor (C Atc) Error - Lexmark X940e Service Manual

925.01 Sensor (M ATC) error

Step
1 Reset the M ATC failure lock out condition.
1. Enter diagnostic mode
2. Touch Dev unit reset.
2. Touch M channel
Perform a very large print test.
Does the error remain?
2 Check the sensor (M ATC) for proper connection.
Is the above component properly connected?
3 Perform a very large print test.
Does the error continue?

925.02 Sensor (C ATC) error

Step
1 Reset the C ATC failure lock out condition.
1. Enter diagnostic mode
2. Touch Dev unit reset.
2. Touch C channel
Perform a very large print test.
Does the error continue?
2 Check the sensor (C ATC) for proper connection.
Is the above component properly connected?
3 Perform a very large print test.
Does the error continue?
Check
Check
Yes
Go to step 2. Problem solved.
Replace the M Replace the
Developer unit connection.
assembly.
Go to "Developer
unit assembly
removal" on
page 4-53.
Replace the upper Problem solved.
printer engine card
assembly.
Go to "Upper
printer engine
card assembly
removal" on
page 4-74.
Yes
Go to step 2. Problem solved.
Replace the C Replace the
Developer unit connection.
assembly.
Go to "Developer
unit assembly
removal" on
page 4-53.
Replace the upper Problem solved.
printer engine card
assembly.
Go to "Upper
printer engine
card assembly
removal" on
page 4-74.
Diagnostic information
7510-XXX
No
No
2-153