Lexmark C910 5055-01x, Service Manual

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Service Manual
5055-01x
Map 8 - False “40 Tray (X) Size Sensor Error” Message
Map 9 - False “41 Open Bin 1 Exit Tray” Message
Step Questions / Actions Yes No
1 On the high capacity paper
feeder, are the paper size
adjusting screws present on
the upper portion of the side
fence and fully screwed into
the adjusting bracket? Go to step 2. Replace the
missing
thumbscrew
or screw them
in all the way.
2 Observe the LEDs 1 and 2 on
the HCPF control board while
unscrewing the paper size
adjusting thumbscrews. Do the
LEDs light when the screws
are loosened all the way? Replace the
HCPF control
board. Replace the
affected
sensor. Paper
size sensor 1
for 11” or
paper size 2
for A4.
Step Questions / Actions Yes No
1 Is the exit tray switch actuator
broken or damaged? Replace the
paper exit tray. Go to step 2.
2 Disconnect CN31 from the
printer controller board. When
activating the paper exit tray
switch, is there continuity
between pins 1 and 2? Replace the
printer
controller
board. Replace the
paper exit tray
switch.
Service.bk Page 48 Thursday, October 4, 2001 12:20 PM