6/02
2-146
DC1632/2240
9-381, 9-382
Prelaunch Training/Review
Status Indicator RAPs
9-381 ATC Sensor (M)
The ATC Sensor (M) detects a low TC (toner concentration)
Initial Actions
ï Check that Toner/Developer is present.
ï 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
Check the connector P/J130. If the check is OK, replace the ATC Sensor (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 ATC Sensor M
9-382 ATC Sensor (C)
The ATC Sensor (C) detects a low TC (toner concentration)
Initial Actions
ï Check that Toner/Developer is present.
ï 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 752-110 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 (C) fail judgement is OK.
YN
Check the connector P/J131. If the check is OK, replace the ATC Sensor (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 ATC Sensor C
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