Sensor (K Atc) Error; Mpf Tray 5 Size Sensing Error - Lexmark X940e Service Manual

7510-XXX

925.03 Sensor (K ATC) error

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

940.00 MPF tray 5 size sensing error

Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2 Check the MPF feed unit assembly.
Is the above component properly connected?
3 Perform a POR.
Does the error continue when the power is turned off/on?
2-154
MFP Service Manual
Check
Check
Yes
Go to step 2. Problem solved.
Replace the K 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 MPF Replace the
feed unit
connection.
assembly .
Go to "MPF feed
unit assembly
removal" on
page 4-8.
Replace the upper Problem solved.
printer engine card
assembly.
Go to "Upper
printer engine
card assembly
removal" on
page 4-74.
No
No