2-128 MFP Service Manual
7500-XXX
841.00 Image pipeline ASIC failure
842.00 Scanner communication failure
7 Place an undamaged document in the ADF, and perform a
ADF test.
Does the error remain?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-128.
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 4-128.
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.
3 Perform a POR.
Does the error remain when the power is turned off/on?
Replace the
scanner
controller card
assembly.
Go to “Scanner
controller card
assembly
removal” on
page 4-143.
Go to step 4.
Problem solved.
4 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 4-128.
Problem solved.
Step Check Yes No
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