Lexmark 5056-000, Руководство по обслуживанию, Страница: 69 / 366

Diagnostic information
2-27
5056- XXX
995 - Finisher Main Feed Motor abnormal
996 - Finisher Jogging Motor Error
995 Service
Finisher
Step Questions/actions Yes No
1 Is there jammed paper or other obstructions in the
paper path? Clear the paper
path. Go to step 2.
2 Check to ensure the connector PJ6 on the finisher
control board and the feed motor assembly cable are
properly connected. Are the cables properly
connected? Go to step 3. Properly connect
the cables.
3 Make sure the finisher set switch is activated. Measure
for +24 V dc (±10%) between pins 7 and 8 and +5 V dc
(±10%) between pins 7 and 6 on the feed motor
assembly cable connector CN1. Is either voltage
missing? Go to step 4. Go to step 5.
4 Disconnect the feed motor assembly cable and PJ6 on
the finisher control board. Measure continuity on the
cable for all positions. Is there continuity? Go to step 6. Replace the
cable.
5 Replace the feed motor assembly. Did this resolve the
problem? Problem solved. Replace the
finisher control
board.
6 Measure for +24 V dc between pins 1 and 2 on
connector PJ3 on the finisher control board. Measure
for +5 V dc between pins 1 and 3 on PJ2 on the finisher
control board. Is either voltage missing? Replace the
power supply. Replace the
finisher control
board.
Step Questions/actions Yes No
1 Are there foreign objects or obstructions in the jogging
assembly? Clear the objects
or obstruction. Go to step 2.
2 Are the jogging motor connectors CN2 on the finisher
control board securely connected? Go to step 3. Securely connect
the connectors.
3 Make sure the finisher set switch is activated. Measure
for +24 V dc (±10%) between pin 1 on CN2 and frame
ground. Is +24 V dc present? Go to step 4. Go to step 5.
4 Replace the jogging motor assembly. Did this resolve
the problem? Problem solved. Replace the
finisher control
board.
5 Disconnect CN2 and PJ5. Perform a continuity check
on the cable for all positions. Is there continuity? Go to step 6. Replace the
cable.
6 Check for +24 V dc (±10%) between pins 1 and 2 of
PJ3 on the finisher control board. Is +24 V dc present? Replace the
finisher control
board. Replace the
power supply.