Ricoh B234 - Page 89

SERVICE CALL CONDITIONS
SM 4-87 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Timing Sensor (S5) Adjustment Error
SC797-26 B
The value for the adjustment
of the timing sensor was out
of range (3.0V to 3.5V)
• Timing sensor (S5) defective
• D/A converter defective
• A/D converter defective
Cover Registration Sensor (S21) Error
SC797-27 B
The value for the adjustment
of the cover registration
sensor was out of range
(3.0V to 3.5V)
• Cover registration (S21) sensor defective
• D/A converter defective
• A/D converter defective
Cover Horizontal Registration Sensor: Small (S71)
SC797-28 B
The value for the adjustment of
the cover horizontal registration
sensor: small was out of range
(3.0V to 3.5V)
• Cover horizontal registration
sensor: small (S71) defective
• D/A converter defective
• A/D converter defective
Cover Horizontal Registration Sensor: Large (S72) Error
SC797-29 B
The value for the adjustment of
the cover horizontal registration
sensor: large was out of range
(3.0V to 3.5V)
• Cover horizontal registration
sensor: large (S72) defective
• D/A converter defective
• A/D converter defective
Book Exit Sensor (S64) Error
SC797-30 B
The value for the
adjustment of the book exit
sensor (S64) was out of
range (3.2V to 3.54V)
• Signature Exit Sensor (S64) defective
• D/A converter defective
• A/D converter defective
Leading Edge Sensor (S65) Error
SC797-31 B
The value for the
adjustment of the LE sensor
(S65) was out of range
(3.2V to 3.54V)
• Leading edge sensor (S65) defective
• D/A converter defective
• A/D converter defective
Trim Unit Entrance Sensor (S92) Error
SC797-32 B
The adjusted value for the trim unit
entrance sensor was higher or
lower than the target range.
• Book grip motor (M43) defective
• Trim unit entrance sensor (S92)
defective
• Motor or sensor harness loose,
broken, defective
Book Registration Sensor (S88) Error
SC797-33 B
The adjusted value for the
book registration was higher
or lower than the target
range.
• Book grip motor (M43) defective
• Book registration sensor (S88) defective
• Motor or sensor harness loose, broken,
defective