09/03
2-190
DC 3535/2240/1632, WC M24
9-381, 9-382
Initial issue
Status Indicator RAPs
9-381 ATC Sensor (M)
The ATC Sensor (M) detects a low TC (toner concentration)
Initial Actions
• Go to the 9-411 RAP and verify the correct operation of the Magenta Dispense Motor and
the Developer Motor.
• Check that Toner/Developer is present.
• Check the ATC Sensor (M) 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 (M) fail judgement is OK.
YN
Refer to Figure 1 and check connector P/J130. If the check is OK, replace the ATC Sen-
sor (M) (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 9-381 Rap Circuit Diagram - ATC Sensor M
9-382 ATC Sensor (C)
The ATC Sensor (C) detects a low TC (toner concentration)
Initial Actions
• Go to the 9-412 RAP and verify the correct operation of the Cyan Dispense Motor and the
Developer Motor.
• Check that Toner/Developer is present.
• Check the ATC Sensor (C) for contamination. Ensure that the sensor is seated correctly.
Procedure
NOTE: To clear this fault, enter dC131 and set the value of NVM location 752-111 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 (C) fail judgement is OK.
YN
Refer to Figure 1 and check connector P/J131. If the check is OK, replace the ATC Sen-
sor (C) (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 9-382 Rap Circuit Diagram - ATC Sensor C
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