2-148 Service Manual
7510
904.05 Sensor (CMY transfer roll retract HP) late error
904.06 Sensor (CMY transfer roll retract HP) lag error
7
Perform a POR.
Does the error occur when the power is turned off/on?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine
card assembly
removal” on
page 4-80.
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
Replace the transfer belt unit assembly. Go to “Transfer
belt unit assembly removal” on page 4-16.
Does the error remain?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine
card assembly
removal” on
page 4-80.
Problem solved.
Step Check Yes No
1 Check the transfer belt unit assembly.
Is the above component properly installed?
To to step 2 Properly reinstall
the transfer belt
unit assembly.
2
Perform a POR.
Does the error occur when the power is turned off/on?
Go to step 3. Perform several
print tests.
If the problem
remains, go to
step 3.
3
Replace the transfer belt unit assembly. Go to “Transfer
belt unit assembly removal” on page 4-16.
Does the error remain?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine
card assembly
removal” on
page 4-80.
Problem solved.
Step Check Yes No