Lexmark C910 - Page 178

2-62 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 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 HCF control board while
unscrewing the paper size
adjusting thumbscrews. Do the
LEDs light when the screws
are loosened all the way?
Replace the
HCF control
board.
Replace the
affected
sensor. Paper
size sensor 1
for 11inch 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.