2-126 Service Manual
7526
920.18—POST—Cartridge motor 3 not connected error service check
920.19—POST—Transfer module stepper motor not connected error service check
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. Reseat the cables in connectors
JCARTP2 and JCARTS2.
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. Remove the right cover. See “Right
cover removal” on page 4-38.
2. Check the connections on the cartridge
motor 2/3 cables and reseat the cables.
3. Check the routing on the cables for pinch
points and any other damage to the
cables or the connectors.
Is the cable free from damage?
Replace the cartridge
motor 2/3 cable. See
“Cartridge motor 2/3
cable removal” on
page 4-57.
Go to step 4.
4
Connect a new Cartridge motor 2/3 cable
from outside of the machine, then POR the
printer.
Note: Verify first if the cable is working
properly by testing connections of the cable
on motor 2 and 3 to the JCARTP2 and
JCARTS2 connectors. Route the cables
properly only when you have verified that the
cables are working properly.
Did the error clear?
Replace the cartridge
motor 2/3 cable. See
“Cartridge motor 2/3
cable removal” on
page 4-57.
Go to step 5.
5
Connect a new EP drive assembly from the
outside of the machine.
Note: Verify first if the EP drive assembly is
working properly. Connect the cables on the
fuser motor, cartridge motor 1, 2, and 3 on the
new EP drive assembly. Route the cables
properly only when you have verified that the
cables are working properly.
Did the error clear?
Return the old cartridge
motor 2/3 cable and
replace the EP drive
assembly. See
“Electrophotographic
(EP) drive assembly
removal” on page 4-78
Return the old EP drive
assembly and the old
cartridge motor 2/3 cable,
then 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. Reseat the motor driver cable in
connector JDVR1.
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.
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