Lexmark X945 - Scanner Communication Error

2-110 Service Manual
7510
842.00 Scanner communication error
3
Check the sensor (RFID toner cartridge) for the black toner
cartridge for proper connection.
Is the above component properly connected?
Replace the
sensor (RFID
toner cartridge).
Go to “Sensor
(RFID toner
cartridge)
removal” on
page 4-109.
Replace the
connection.
4
Perform a POR.
Does the error remain when the power is turned off/on?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-77.
Problem solved.
5
Perform a POR.
Does the error remain when the power is turned off/on
again?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-73.
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. Perform several
print tests.
If the problem
remains, go to
step 2.
2
Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-73.
Problem solved.
Step Check Yes No
1 Check the scanner interface cable assembly connection
between the RIP card assembly and the scanner unit
assembly.
Is the scanner interface cable assembly connected properly?
Go to step 2. Replace the
connection.
2
Check all connections of the scanner controller card assembly.
Are the connections of the scanner controller card assembly
connected properly?
Go to step 3. Connect each
connector of the
scanner
controller card
assembly
properly.
Step Check Yes No