6/02
2-145
DC1632/2240
9-363, 9-380
Status Indicator RAPs
Prelaunch Training/Review
9-363 Black Drum Cartridge Communication
A communication failure with the Black Drum Cartridge was detected.
Initial Actions
Check that the Black Drum Cartridge is seated correctly.
Procedure
Enter dC330 [009-154, Drum (K) Data]. The display is H.
YN
Check the wires and connectors. If the check is OK, replace the Black Drum Cartridge
(refer to Section 6, Machine Consumables).
Replace the MCU PWB (PL 13.1).
Figure 1 Drum K Communication
9-380 ATC Sensor (Y)
The ATC Sensor (Y) detects a low TC (toner concentration).
Initial Actions
ï Check that Toner/Developer is present.
ï Check the ATC Sensor (Y) for contamination. Ensure that the sensor is seated correctly.
Procedure
NOTE: To clear this fault, enter dC131 and set the value of NVM location 752-110 to 0.
Record the value in NVM location 752-324, then set the value to 1. Perform ADJ 9.3. After the
measurement has completed, restore the value. The ATC Sensor (Y) fail judgement is OK.
YN
Check the connector P/J 129. If the check is OK, replace the ATC Sensor (Y) (PL 6.2).
If the problem continues, replace the MCU PWB (PL 13.1).
After checking that no failures are detected during normal operation, go to call close out.
Figure 1 ATC Sensor CD
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