Ricoh B132 Service Manual page 440

SERVICE CALL CONDITIONS
SC372 D TD sensor adjustment error 1: K
SC373 D TD sensor adjustment error 2: M
SC374 D TD sensor adjustment error 3: C
SC375 D TD sensor adjustment error 4: Y
During TD sensor initialization
with SP3801, the output value of
the black, magenta, cyan, or
yellow TD sensor is not within
the range of 3.2±0.2V
1. Turn the machine off and on.
2. Pull out the film seal from the black, magenta, cyan, or yellow PCU.
3. Do SP3812 001 to confirm that the developer was initialized correctly. The
4. Check the TD sensor connector.
5. Check the TD sensor connector and harness between the TD sensor and
6. Check the drawer PCU connector.
7. Replace the TD sensor.
8. After replacing the TD sensor:
• Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow
SC396 D Drum motor error 1: K
SC397 D Drum motor error 2: M
SC398 D Drum motor error 3: C
SC399 D Drum motor error 4: Y
When the drum motor of the black,
magenta, cyan, or yellow PCU
starts, the machine cannot detect a
LOCK signal within two sec. The
motor is trying to rotate but there is
an excessive load on the drum
shaft. The motor has no traction
(due to a bent cleaning blade, for
example).
B132/B200
display should show "1111" if developer initialized correctly.
PCU for damage. Replace it if necessary.
TD sensor.
• Execute SP3820 001 to do auto process control manually.
• Film seal not removed from a new
developer pack
• TD harness sensor disconnected, loose
or defective
• TD sensor defective
• Harness between TD sensor and drawer
disconnected, defective
• PCU drum dirty
• PCU defective
• Motor harness defective
• Motor control board defective
• Drum motor defective
• Insufficient lubrication on a drum.
Open PCU and apply toner to the
drum surface
4-40 SM