Ricoh MT-C1 - Page 440

B140/B246 SERIES SERVICE MODE 15 February 2006
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Tandem rear fence motor error 515 B
One of the conditions is detected:
• The return sensor does not
switch on within 10 sec. after the
rear fence motor switches on.
• The HP sensor does not switch
on 10 sec. after the rear fence
motor switches on.
• The HP sensor and return sensor
switch on at the same time.
• Rear fence motor defective or poor
connection
• Paper or other obstacle interfering with
operation of the sensors
• Paper or other obstacle trapped between
tray and motor
• Motor mechanical overload due to
obstruction
• Return sensor or HP sensor defective or
dirty
Note (B246)
• This problem will not issue the SC code
on the operation panel.
• The machine will prompt the operator to
reset tray by opening and closing it.
• If the problem persists, the machine will
display again and the tray cannot be
used.
Duplex jogger motor error 1 520 C
When the jogger fence moves to
the home position, the jogger HP
sensor does not turn on even if the
jogger fence motor has moved the
jogger fence 153.5 mm.
• Paper or other obstacle has jammed
mechanism
• Sensor connector disconnected or
defective
• Sensor defective
Duplex jogger motor error 2 521 C
When the jogger fence moves from
the home position, the jogger fence
HP sensor does not turn off even if
the jogger motor has moved the
jogger fence 153.5 mm.
• Paper or other obstacle has jammed
mechanism
• Sensor connector disconnected or
defective
• Sensor defective
Fusing exit motor error 531 D
The PLL lock signal was low for 2
seconds during motor operation.
• Motor lock caused by physical overload
• Motor drive PCB defective
Fusing thermistor open 541 A
The fusing temperature detected by
the center thermistor was below
0°C for 7 sec.
• Thermistor open
• Thermistor connector defective
• Thermistor damaged, or out of position
• Fusing temperature –15% less than the
standard input voltage
Fusing temperature warm-up error 542 A
One of the following occurred:
• After power on, or after closing
the front door, the hot roller does
not reach the 100°C control
temperature within 25 s.
• 5 sec. after temperature rise
started, temperature remained
below 21°C after 5 samplings.
• Fusing unit did not attain reload
temperature within 48 sec. of the
start of fusing temperature
control.
• Fusing lamp disconnected
• Thermistor warped, out of position
• Thermostat not operating