T- 2 3
• Paper is stopped at the Vertical Transport Rollers.
Step Check Result Action
1 Vertical Transport Rollers are dirty with paper
dust, deformed, or worn.
YES Clean or change.
2 Paper take-up guide plate or vertical transport
guide plate is dirty or deformed.
YES Clean, correct, or change.
3 Vertical Transport Motor turns when the Start
key is pressed with the cabinet selected.
NO Correct drive coupling.
Change motor or Control
Board.
Change Master Board.
4
I/O check for 3
rd
Drawer Paper Take-Up Sensor
operation when the 3
rd
Drawer is used: the
voltage across PJ9A-11 on Control Board and
GND is DC5V when the sensor is unblocked
and DC0V when the sensor is blocked.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.
5
I/O check for 4
th
Drawer Paper Take-Up Sensor
operation when the 4
th
Drawer is used: the volt-
age across PJ5A-2A on Control Board and
GND is DC5V when the sensor is unblocked
and DC0V when the sensor is blocked.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.
6 I/O check for Paper Leading Edge Sensor 3
operation when the 3
rd
Drawer is used: the
voltage across PJ9A-5 on Control Board and
GND is DC5V when the sensor is unblocked
and DC0V when the sensor is blocked.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.
7 I/O check for Paper Leading Edge Sensor 4
operation when the 4
th
Drawer is used: the volt-
age across PJ9A-8 on Control Board and GND
is DC5V when the sensor is unblocked and
DC0V when the sensor is blocked.
YES Change Control Board or
Master Board.
NO Correct actuator.
Change sensor.
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