Ricoh JP5800 - Page 71

SERVICE CALL CODES 1 March, 2000
4-4
Service
Tables
Code Title Conditions Possible Causes
SC04-20
Master cut error
The master edge sensor remains
on even after the first master cut
recovery operation. (Normally,
the master is cut if the master
edge sensor detects a mis-cut
master the first time.)
• Defective master edge
sensor
• Defective cutter unit
• Defective master
vacuum fans
• Jammed master
SC05-00
Main motor lock
(1st drum
position sensor
does not turn on)
At power on or when the drum
returns to home position, the 1st
drum position sensor is not
activated for more than 5
seconds after the main motor on
signal is generated.
• Defective sensor
• Defective main motor
SC05-01
Main motor lock
(motor control
signal error)
The CPU on the motor control
board detects an abnormal signal
from the main motor encoder.
• Defective main motor
• Jammed master
SC05-02
Drum HP sensor
remains off
The sensor is not activated after
the main motor on signal is
generated.
• Defective sensor
SC05-10
Image shift HP
sensor remains
on
At power on, the sensor is not de-
activated for more than 25
seconds after the image shift
motor on signal is generated.
• Defective sensor
• Defective motor
SC05-11
Image shift HP
sensor remains
off
At power on, the sensor is not
activated for more than 25
seconds after the image shift
motor on signal is generated.
• Defective sensor
• Defective motor
SC05-12
No image
position encoder
pulse
At power on or when the image
up/down shift mode is selected,
the CPU detects no encoder
pulse from the sensor for more
than 25 seconds after the image
shift motor on signal is
generated.
• Defective sensor
SC05-20
Drum shift HP
sensor remains
on
At power on, the sensor is not de-
activated for more than 6
seconds after the drum shift
motor on signal is generated.
• Defective sensor
• Defective motor
SC05-21
Drum shift HP
sensor remains
off
At power on, the sensor is not
activated for more than 6
seconds after the drum shift
motor on signal is generated.
• Defective sensor
• Defective motor
SC05-22
No drum shift
sensor pulse
At power on or when the image
side-to-side shift mode is
selected, the CPU detects no
encoder pulse from the sensor for
more than 6 seconds after the
drum shift motor on signal is
generated.
• Defective sensor