2-132 Service Manual
7526
925.02, 925.04, 925.06—Blower error service check
3
1. Disconnect the cable in connector JFAN1,
and install a new cooling fan.
2. Turn the multifunction printer off, and turn
the MFP on (perform a POR).
Note: After installing the new fan, a print test
is required to verify operation. Print one page
every 30 seconds for 20 minutes to test the
highest fan speed. Do not test unless the fan
is installed in the machine.
Did the error clear?
Replace the fan. See
“Cooling fan removal” on
page 4-73.
Replace the system board.
See “System board
removal” on page 4-157.
Step Questions / actions Yes No
1 1. Turn the printer off.
2. Remove the rear frame cover. See “Rear
frame cover removal” on page 4-37.
3. Check the cable in connector JBLW1 for
proper connection to the system board, for
pinch points, and any other damage to the
cable or connector, and reseat the cable.
Did the error clear?
Problem resolved. Go to step 2.
2
Measure the continuity across all of the fuses
on the system board.
Are any of the fuses blown?
Replace the system board.
See “System board
removal” on page 4-157.
Go to step 3.
3
1. Replace the cartridge cooling fan. See
“Cartridge cooling fan removal” on
page 4-53.
2. Turn the multifunction printer off, and turn
the MFP on (perform a POR).
Note: After installing the new fan, a print test
is required to verify operation. Print one page
every 30 seconds for 20 minutes to test the
highest fan speed. Do not test unless the fan
is installed in the machine.
Did the error clear?
Problem resolved. Replace the system board.
See “System board
removal” on page 4-157.
Step Questions / actions Yes No