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Diagnostic information 2-39
5021-0XX
906Magenta toner retract solenoid service check
Step Questions / actions Yes No
1 Turn printer off and remove
I/O board shield. See I/O
board removal on
page 4-70 for steps to
remove I/O board shield.
Disconnect DCN4
connector from I/O board.
Measure resistance
between cable pins 5 and
6. Is resistance between
162 and 198 ohms?
Replace I/O
board. See I/O
board removal
on page 4-70.
Go to step 5.
Go to step 2.
2 Remove items to expose
toner retract solenoid. See
Toner retract solenoid
and cam removal on
page 4-64 for steps. Check
toner retract solenoid cable
connection. Is cable
properly connected?
Go to step 3. Properly connect
cable.
Reassemble and
retest printer.
3 Check toner retract
solenoid cable and
connecting cable for visible
damage. Is either cable
damaged?
Replace
damaged cable
or toner retract
solenoid. See
Toner retract
solenoid and
cam removal
on page 4-64.
Reassemble and
retest printer.
Go to step 4.
4 Disconnect toner retract
solenoid cable from cable
that attaches to I/O board.
Check cable continuity from
DCN4 pins 5 and 6 to
connector that attaches to
toner retract solenoid.
Ensure that pins are not
shorted. Is cable okay?
Replace toner
retract solenoid.
See Toner
retract solenoid
and cam
removal on
page 4-64.
Reassemble and
retest printer.
Replace cable.
Reassemble and
retest printer.