2-70 Service Manual
5058-030
171.02 Fuser cooling fan failure
3
Check the toner dispense motor
for proper operation.
When performing
motor tests, ensure
that all cover and
door interlock
switches are
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch PRINTER MOTOR
TESTS.
4. Touch Y toner dispense
motor.
Does the above component
operate properly (motor
rotating)?
Go to step 5. Go to step 4.
4
Check the toner dispense motor
for proper connection.
Is the above component
properly connected?
Replace the toner dispense
motor. Go to
“Toner dispense
motor removal” on page 4-163.
Replace the connections.
5
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the fuser cooling fan.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the fuser cooling fan. Go
to “Fuser cooling fan removal”
on page 4-87.
Does the error continue?
Go to step 3. Problem resolved
3
POR the machine.
Does the error continue?
Replace the lower printer engine
PCBA.
Go to “Lower engine PCBA
removal” on page 4-106.
If the error remains go to step 4.
Problem resolved
4
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
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