Lexmark C91 Series, Service Manual

Page: 109 / 493

Diagnostic information
2-59
5055-xxx
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
11 inch or paper
size sensor 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.