908-Black Toner Retract Solenoid Service Check - Lexmark C510 Service Manual

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