Lexmark Optra C710 Service Manual page 181

5016-001
F Paper Jam 24x displays, media tries to feed from tray x and does
not reach the paper pass sensor.
FRU
1 Paper Tray x
2 Option Paper
Pass Through
Sensor Flag
Tray x
3 Paper Feed:
• Roller
• Paper Pick
Up Roller
• Pick Up Gear
• Pick Up
Roller Idler
Gears
Action
Check Tray x for anything that might cause the
paper to jam in the tray, or prevent the media from
exiting.
Check the option paper pass sensor flag for signs
of broken parts and that the flag is operating
properly. Repair as necessary.
Check the voltages on connector CN804 on the
option interconnect board.
Pin # SIgnal
Voltage
1 (Orange) GND
2 (Yellow) Pass
3 (Green) VL
• If the static voltages are correct and the sensor
does not change when activated, replace the
sensor.
• If the voltages are incorrect, replace the option
interconnect board.
Check the following paper feed parts for signs of
broken teeth, excessive wear, or binding:
• Paper feed unit clutch.
• Paper feed roller shaft, paper transfer roller
drive gear and paper feed roller.
• Paper transfer roller and paper transfer roller
idler gears.
• Paper pick up roller, paper pick up gear, paper
pick up roller idler gears.
If problems are found, repair or replace as
necessary.
Voltage Voltage
Static Sensor Closed
0 V dc 0 V dc
+3.6 V dc 0 - 3.6 V dc
+5.0 V dc +5.0 V dc
Diagnostic Information
2-115