SERVICE CALL CONDITIONS 19 January, 2001
4-6
Code No. Symptom Possible Cause
1st tray lift malfunction501 C
The paper height sensor is not
activated after the tray lift motor has
been on for 10 seconds. If the main
power switch is turned on when the
paper is already at the feed height, the
paper height position is detected again.
At this time, the paper height sensor
should de-activate within 5 seconds
after the paper bottom plate starts to
drop. If it does not deactivate within 5 s
four times consecutively, a message
will prompt the user to reset Tray 1.
After two attempts to release the error
by re-setting the paper tray, if this does
not solve the problem then this SC is
displayed.
• Lift motor malfunction or
disconnected
• Height sensor abnormal, or
connector loose
• Loose paper or object between the
tray and motor
• Pick-up arm malfunction
2nd tray lift malfunction502 C
The paper height sensor is not
activated after the tray lift motor has
been on for 10 seconds. If the main
power switch is turned on when the
paper is already at the feed height, the
paper height position is detected again.
At this time, the paper height sensor
should de-activate within 5 seconds
after the paper bottom plate starts to
drop. If it does not deactivate within 5 s
four times consecutively, a message
will prompt the user to reset Tray 2.
After two attempts to re-set the paper
tray, if this does not solve the problem
then this SC is displayed.
• Lift motor abnormal or disconnected
• Height sensor defective or
disconnected
• Loose paper or object between the
tray and motor
• Pick-up arm malfunction
3rd tray lift malfunction (optional paper
tray unit)
503 C
The paper height sensor is not
activated after the tray lift motor has
been on for 13 seconds.
If the main power switch is turned on
when the paper is already at the feed
height, the paper height position is
detected again. At this time, the paper
height sensor should de-activate within
5 seconds after the paper bottom plate
starts to drop. If it does not deactivate
within 5 s four times consecutively, the
tray lift motor halts. After two attempts
to re-set the paper tray, if this does not
solve the problem, then this SC is
displayed and tray control halts.
• Tray lift motor defective or
disconnected
• Height sensor defective or
disconnected
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