2-164 Service Manual
7510
925.03 Sensor (K ATC) error
940.00 MPF tray 5 size sensing error
2
Check the sensor (C ATC) for proper connection.
Is the above component properly connected?
Replace the C
Developer unit
assembly.
Go to “Developer
unit assembly
removal” on
page 4-52.
Replace the
connection.
3
Perform a very large print test.
Does the error continue?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-77.
Problem solved.
Step Check Yes No
1 Reset the K ATC failure lock out condition.
1. Enter diagnostic mode
2. Touch ATC sensor failure clear
3. Touch K channel (925.03)
Perform a very large print test.
Does the error continue?
Go to step 2. Problem solved.
2
Check the sensor (K ATC) for proper connection.
Is the above component properly connected?
Replace the K
Developer unit
assembly.
Go to “Developer
unit assembly
removal” on
page 4-52.
Replace the
connection.
3
Perform a very large print test.
Does the error continue?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-77.
Problem solved.
Step Check Yes No
1 Perform a POR.
Does the error occur when the power is turned off/on?
Go to step 2. Problem solved.
Step Check Yes No
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