Input Tray(S) Option Service Check - Lexmark T620 Service Manual

4069-5XX/7XX
FRU
1 Input Sensor Flag
2 System Board
3 Input Sensor Cable

Input Tray(s) Option 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
Action
Check the input sensor flag for
damage and proper operation. If a
problem is found, repair as
necessary.
Check for approximately +5 V dc at
J25-10 on the system board. If
incorrect, replace the system board.
Check the continuity of the input
sensor cable section of the front
wiring harness. If incorrect, replace
the harness. If correct, replace the
input sensor assembly.
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:
auto compensator assembly option
system board
Diagnostic Information
2-69