4520-xxx
Input Tray(s) Service Check
250-Sheet and 500-Sheet Trays
Service Tip: Try all the other input paper sources to make sure they
are properly feeding paper.
For 990 Error Code- Service Tray X, X= displays the number of the
tray that has a problem or needs service.
FRU
1
Tray X Option System
Board or Compensator
Assembly or Autoconnect
Cable
2-62
Service Manual
Action
Check the autoconect cables and
connectors for any signs of damage.
Replace if necessary. Check the
cables for continuity. If incorrect,
replace the compensator assembly
cable. If the cables, connectors and
connections are good, replace the
FRUs in the following order:
1. Autocompensator assembly
option
2. Option System board