Ricoh G065 Service Manual page 145

SC Level
504 C 4th tray lift malfunction (optional
paper tray unit)
Paper height sensor does not activate
after the tray lift motor is on for 13 s. If
the main power switch is on when the
paper is already at the feed height, the
paper height position is detected
again, and the paper height sensor
should de-activate within 5 s after the
paper bottom plate starts to drop. If it
does not deactivate within 5 s after
four consecutive attempts, the tray lift
motor halts. After two attempts to re-
set the paper tray, this SC is issued
and tray control halts.
506 C Paper tray unit main motor lock
(optional paper tray)
A main motor lock signal is detected
for more than 50 ms during rotation.
507 C LCT main motor lock (optional LCT)
A main motor lock signal is detected
for more than 50 ms during rotation.
510 C LCT tray malfunction
• LCT lift sensor does not activate
within 18 seconds after the LCT lift
motor turns on.
• After paper end, LCT lift sensor
does not activate within 4 s after 4
consecutive attempts.
•
After lowering, tray motor does not
switch off within 5 s.
520 C Fusing/Exit
A Fusing/Exit motor lock signal is
detected within 2 seconds after the
Fusing/Exit motor turns on.
F U
USING NIT
NOTE: When an SC error is issued for the fusing system (SC54x), the printer cannot be released
from the SC status by cycling the machine off and on. The service technician must
execute SP5810 to restore the printer to normal operation
541 A Fusing thermistor open
• The fusing temperature detected
by the thermistor was below 7°C
(44.6°F) for 5 seconds
• 2 seconds after reaching 45°C
(113°F) the temperature does not
reach an additional 15
after checking twice.
SM
CÓPIA NÃO CONTROLADA
Symptom
o
C (59°F)
4-7
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
Possible Cause
• Tray lift motor defective or
disconnected
• Height sensor defective or
disconnected
• Paper tray unit main motor
defective
• Paper tray unit main motor
connection loose
• Too much load on the drive
mechanism
• LCT main motor defective
• Paper tray unit main motor
connection loose
• Too much load on the drive
mechanism
• LCT lift motor defective or
disconnected.
• Upper limit sensor defective or
disconnected
• Pick-up solenoid defective or
disconnected
• Paper end sensor defective
• Too much load on the drive
mechanism
• Fusing/Exit motor defective
.
• Fusing thermistor disconnected
• Fusing thermistor connector
defective
• Fusing thermistor damaged or
warped
• Fusing temperature signal –15%
less than the standard input
voltage
G065