Service Call Codes - Ricoh JP5800 Service Manual

1 March, 2000

4.2 SERVICE CALL CODES

Code Title
SC02-00 Scanner motor
lock (the HP
sensor remains
off)
SC02-01 Scanner motor
lock (the HP
sensor remains
on)
SC02-02 Scanner motor
lock (the scanner
does not return to
HP)
SC03-00 Thermal head ID
error
SC03-01 Thermal head
energy pulse
error
SC03-02 Thermal head
thermistor short
SC03-03 Thermal head
temperature
abnormal
SC04-00 Cutter HP sensor
remains on
SC04-01 Cutter HP sensor
remains off
SC04-10 Platen release
sensor remains
on
SC04-11 Platen release
sensor remains
off
Conditions
After the scanner has left home
position, it does not return there
for more than 7 seconds.
At power on or when the Start
key is pressed, the scanner does
not move from the home position
towards the scanning direction for
more than 2 seconds.
At power on, the scanner does
not return to the home position
within 2 seconds after it left.
The CPU detects an abnormal ID
signal from the thermal head.
The CPU detects an abnormal
thermal head energy control
pulse.
The signal from the thermal head
thermistor reaches 4.88 volts.
When the Start key is pressed, a
temperature of 54 °C or more is
detected at the thermal head.
The cutter does not leave the
home position for more than 3
seconds after the cutter motor on
signal is generated.
After leaving home position , the
cutter does not return there for
more than 3 seconds.
The sensor is not de-activated for
more than 5 seconds after the
platen release motor on signal is
generated.
The sensor is not activated for
more than 5 seconds after the
platen release motor on signal is
generated.
4-3
SERVICE CALL CODES
Possible Causes
• Defective scanner HP
sensor
• Scanner wire slip-off
• Defective scanner
motor
• Defective scanner HP
sensor
• Scanner wire slip-off
• Defective scanner
motor
• Defective scanner HP
sensor
• Scanner wire slip-off
• Defective scanner
motor
• Defective thermal head
• Defective MPU
• Defective MPU
• Defective PSU
• Thermistor open circuit
• Related connector
disconnected
• Thermistor short
• Defective thermal head
• Defective sensor
• Defective motor
• Jammed master
• Defective sensor
• Defective motor
• Jammed master
• Defective sensor
• Defective motor
• Defective sensor
• Defective motor