Lexmark 13P0195 - C 750dn Color Laser Printer Service Manual page 145

Step Action and questions
4 Check the transparency sensing assembly cable for
correct installation to Tray x system board.
Is the cable connected correctly?
Tray x does not detect size media is installed
Step Action and questions
1 Is the tray set for the size paper loaded in the tray?
2 Are there damaged or broken size sensing gears or
size sensing barrel cam in the tray assembly?
3 Check the paper size sensing assembly for any signs
of damaged or broken parts.
Are there broken or damaged parts?
Yes No
Replace the FRUs Install the cable
in the following correctly
order:
1. Autocompensa-
tor assembly
See "Auto-
compensator
pick assem-
bly removal"
on page 4-17.
2. Electronics/size
sensing
assembly
Yes No
Go to step 2 Set the correct size
Repair or replace Go to step 3
defective parts
Replace the paper Replace the
size sensing electronics/ size
assembly sensing assembly
Diagnostic information
5060-00x
2-111