Lexmark Optra C710 Service Manual page 178

5016-001
D Paper Jam 24x displays and no paper feeds from tray x. The
paper feed motor is noisy or vibrates.
FRU
1 Paper Feed
Motor
Cable OM
Option
Interconnect
Board
E Paper Jam 24x displays and no paper is fed from tray x.
FRU
1 Option LVPS
2-112
Service Manual
Action
If the motor exhibits excessive noise or vibration,
either the paper feed motor, the cable OM, or the
option interconnect board assembly is failing. Be
sure the motor is installed properly and the motor
mounting screws are tight.
Check cable OM. If incorrect, replace the cable.
If no problem is found, replace the following FRU's
in the order shown:
1. Option paper feed motor
2. Option interconnect board
Action
Check the voltages on the tray option LVPS. The
LVPS must be connected to the option
interconnect board.
Option LVPS Voltage Chart
Connector CN871 (LVPS)
PIN # Signal Voltage
1 VL
2 DGND
3 VCNT
4 PGND
5 PGND
6 VP
7 VP
All voltages are approximate values
• If the voltages are incorrect, replace the option
LVPS.
• If the voltages are correct, check cable OV. if
incorrect, replace the cable.
Voltage
+5 V dc
0 V dc
+5 V dc
0 V dc
0 V dc
+24 V dc
+24 V dc