
17 January, 2003
SC TABLE
4-23
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC
503-02
Tray 3 error
(Paper Feed
Unit or LCT)
•
If the following condition
occurs 3 consecutive times,
this SC is generated.
For the paper feed unit:
When the main switch is
turned or when the tray is set
and if the upper limit is already
detected, the lift motor turns on
to lower the bottom plate until
the lift sensor goes off.
If the motor turns on for 7
seconds or more, the machine
asks the user to reset the tray.
For the LCT:
When the main switch is
turned on or when the LCT is
set, if the end fence is not in
the home position (home
position sensor ON), the tray
lift motor stops.
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
1. Turn the main switch off and on.
2. Check the cable connections.
3. Check and/or replace the defective
component.
SC
504-01
Tray 4 error (3
Tray 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.
•
Defective tray lift
motor or connector
disconnection
•
Defective lift sensor
or connector
disconnection
1. Turn the main switch off and on.
2. Check the cable connections.
3. Check and/or replace the defective
component.