Ricoh Gestetner LANIER SAVIN G071 Service Manual page 90

SERVICE CALL
No.
Definition
503 B 3rd tray error
• The tray lift motor turns on. → The top of the paper
stack is not detected for 13 seconds.
• The tray is set. → The top of the paper stack is
detected. → The bottom plate is lowered. → The
stack detection is not cleared within 5 seconds. →
These steps are repeated 4 times.
515 D Duplex unit communication error
• A connection error occurs.
• The signal is sent from the printer to the duplex unit
every 3 seconds while paper is not transported by the
unit. However, the duplex unit does not respond within
5 seconds.
520 D Paper feed motor error
• The motor starts or changes speed. → The lock signal
does not continue for 1 second within a 3-second
interval.
• The motor starts. → The lock signal is detected and
operation proceeds normally. → The lock signal is
interrupted for 1 second.
541 A Thermistor disconnection (heating roller)
The fusing unit starts warm up to the print ready
temperature. → The temperature does not reach 7°C for
10 seconds.
542 A Fusing warm-up timeout (heating roller)
The main switch is turned on or a cover is closed. →
The heating roller does not reach the warm-up
temperature within 50 seconds.
543 A Overheat error (heating roller)
The heating roller thermistor detects 220°C for 5
seconds.
544 A Low temperature error (heating roller)
During standby or operation, the heating roller
thermistor detects 100 °C or less for 5 seconds.
545 A Full power error (heating roller)
Fusing unit warm-up is complete. → The heating roller
stops turning. → The heating roller lamp keeps
outputting the maximum power for 30 seconds.
G071
CÓPIA NÃO CONTROLADA
Symptom
4-6
CÓPIA NÃO CONTROLADA
Possible Cause
• Defective paper
height sensor
• Defective tray lift
motor
• Defective duplex unit
board
• Defective BCU
• Defective IOB
• Defective connection
(Main unit - Duplex
unit)
• Defective paper feed
motor
• Defective thermistor
• Thermistor loose
connection
• Defective connector
• Defective lamp
(loose connection,
thermostat failure,
PSU, thermostat)
• Incorrect detection
(loose thermistor
connection, fusing -
drawer loose
connection)
• Short circuit
• Defective BCU board
• Defective PSU
• Defective lamp
(loose connection,
thermostat failure,
PSU, thermostat)
• Incorrect detection
(loose thermistor
connection, fusing -
drawer loose
connection)
• Thermistor loose
connection
• Fusing - drawer
loose connection
SM