A SERVICE OF

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Diagnostic information 2-31
5021-0XX
902Magenta developer clutch service check
Step Questions / actions Yes No
1 Turn printer off and remove
right cover. See Right
cover removal on
page 4-22. Is developer
clutch cable properly
connected?
Go to step 2. Properly connect
cable. Go to step
5.
2 Is developer clutch cable
damaged?
Replace
developer drive
assembly. See
Developer
drive assembly
removal on
page 4-32.
Go to step 3.
3 Disconnect clutch cable.
On clutch side, measure
resistance between two
outer pins. Is resistance
between 139 and 171
ohms?
Go to step 4. Replace
developer drive
assembly. See
Developer
drive assembly
removal on
page 4-32.
4 Remove I/O board shield.
See I/O board removal
on page 4-70 for steps to
remove I/O board shield.
Disconnect cable from
DCN10 on I/O board.
Check cable continuity from
DCN10 pins 19 and 20 to
connector that attaches to
magenta developer clutch
cable. Ensure that pins are
not shorted. Is cable okay?
Replace I/O
board. SeeI/O
board removal
on page 4-70.
Go to step 5.
Replace cable.
Go to step 5.