Lexmark Optra C710 Service Manual page 177

5016-001
C Tray x is correctly installed and "Insert Tray x" displays.
Note: If the detect board for the tray x cable (detect board to
interconnect board), LVPS, LVPS fuse, interconnect board, option
cable (OP), engine cable (OP) or engine board are failing, this
message may display.
FRU
1 Paper Tray x
2 Option LVPS
Fuse
3 OP Cable
(Option)
OP Cable
(Printer)
4 Paper Detect/
Paper
Size Detect
Board
Tray x
5 Interconnect
Board
Engine Board
Action
Check tray x to be sure the flag molded in the side
of the tray is not damaged and contacts the sensor
flag.
Check the fuse in the option LVPS and replace it, if
defective. If the fuse continues to blow, replace the
LVPS assembly.
Check the cables for correct installation and signs
of damage.
Check the paper detect/paper size board for
correct operation, If incorrect replace the board
assembly.
If no problems have been found, replace the
following FRUs in the order shown:
1. Interconnect board assembly
2. Engine board assembly
Diagnostic Information
2-111