Ricoh D014 Service Manual page 483

Used toner transport lock
Used toner cannot be
SC488 D
transported to the used toner
bottle.
MUSIC sensor error
One or more of the MUSIC
SC490 D
sensors is not functioning
normally.
ITB encoder sensor error
The ITB encoder sensor
SC495
that reads the encoded
strip on the ITB is not
functioning properly.
MUSIC sensor error
The MUSIC sensor detected an abnormal pattern on the ITB because:
ADC exceeded upper or lower limit.
SC496 C
The pattern used to calculate the amount of skew is abnormal.
The reading of the pattern exceeded the length of time the LED
projected light.
LED light could not be adjusted correctly.
ITB installed incorrectly
Inspect ITB belt for damage, replace
MUSIC pattern abnormal; do a forced process control (SP3821) and
check the result.
MUSIC sensor defective or disconnected
SM
CÓPIA NÃO CONTROLADA
Blockage in the line to the used
toner bottle
MUSIC sensor harness loose,
broken, defective
Sensor defective
Sensor dirty
Sensor harness loose, broken,
defective
Sensor out of position because
installed incorrectly
ITB installed incorrectly
4-33
CÓPIA NÃO CONTROLADA
Service Call Tables
D014/D015/D078/D079