Ricoh Taurus-C1a Technical Bulletin page 391

Reissued: 30-Nov-15
Model:
Taurus-C1/P1 (D074/D075/M044)
D
Symptom
e) SC446
(Transfer belt
drive motor
error)
f) 95mm or
47.5mm pitch
banding
Action 1
1. Clean the sensor shown in the photo below.
Use a vacuum cleaner or an air blower to remove dust.

Wipe the sensor with a wet cotton swab. If a cotton swap is not at hand, wipe the sensor

with a wet cloth. Use water if necessary, but DO NOT use solvent of any type (ethanol,
etc).
IMPORTANT
DO NOT attempt to wipe off the "black prints" [A] on the sensors. These black prints are NOT
dust/dirt but are components of the sensor.
echnical
T
Possible causes
(1) Loose ITB encoder
shaft
(2) Dirty encoder
(3) Broken encoder
ulletin
B
Date:
02-Mar-12
Check procedure
(1) Check the condition
of the ITB encoder shaft.
(2) Check the condition
of the encoder.
(3) Check the condition
of the encoder drive
gear.
[A]
PAGE: 3/7
No.:
RD074050c
Action
(1) Clean the encoder or
the encoder drive gear
as necessary.
(2) See "Action 3"
described on the
following page.