
SC TABLE
17 January, 2003
4-22
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC
503-01
Tray 3 error
(Paper Feed
Unit or LCT)
For the paper feed unit:
When the tray lift motor is
turned on, if the upper limit is
not detected within 18
seconds, the machine asks the
user to reset the tray. If this
condition occurs three
consecutive times, the SC is
generated.
For the LCT:
This SC is generated under
the following conditions:
•
If the upper or lower limit is
not detected within 15
seconds when the tray lift
motor is turned on to lift up
or lower the tray
•
If the paper stack is not
transported within a specific
number of pulses after the
tray motor and stack
transport clutch turn on to
transport the paper stack
•
If the end fence home
position sensor stays ON for
a specific number of pulses
after the tray motor and
stack transport clutch turn
on to transport the paper
stack.
For the paper feed unit:
•
Defective tray lift
motor or connector
disconnection
•
Defective lift sensor
or connector
disconnection
For the LCT:
•
Defective stack
transport clutch or
connector
disconnection
•
Defective tray motor
or connector
disconnection
•
Defective end fence
home position sensor
or connector
disconnection
•
Defective upper limit
sensor or connector
disconnection
•
Defective tray lift
motor or connector
disconnection
1. Turn the main switch off and on.
2. Check the cable connections.
3. Check and/or replace the defective
component.