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]. The display is H.
Y
N
Go to
Figure
1. Check the wires between
the Black Drum Cartridge (refer to Section 6,
Replace the MCU PWB
(PL
13.1).
Figure 1 9-363 Rap Circuit Diagram - Black Drum Communication
Initial issue
DC 3535/2240/1632
P/J405
and P/J153. If the check is OK, replace
Machine
Consumables).
9-380 ATC Sensor (Y)
The ATC Sensor (Y) detects a low TC (toner concentration).
Initial Actions
•
Check that Toner/Developer is present.
•
Check the ATC Sensor (Y) for contamination. Ensure that the sensor is seated correctly.
Procedure
NOTE: To clear this fault, enter
dC131
Record the value in NVM location 752-324, then set the value to 1. Perform
measurement has completed, restore the value. The ATC Sensor (Y) fail judgement is OK.
Y
N
Refer to
Figure 1
and check connector P/J129. If the check is OK, replace the ATC Sen-
sor (Y)
(PL
6.2).
If the problem continues, replace the MCU PWB
After checking that no failures are detected during normal operation, go to call close out.
Figure 1 9-380 Rap Circuit Diagram - ATC Sensor
02/03
2-185
and set the value of NVM location 752-109 to 0.
ADJ
(PL
13.1).
Status Indicator RAPs
9-363, 9-380
9.3. After the