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DocuColor 12/DCCS50
10-361 Power On Heat Roll Not Ready RAP, 10-362
Reissue
Status Indicator RAPs
10-361 Power On Heat Roll Not Ready RAP
The Heat Roll did not reach the Ready temperature within 12 minutes after Power On.
Initial Actions
Refer to BSD 10.2 and 10.12 for the following procedure.
Procedure
Cheat the Front Door Interlock. Switch on the power. The Heat Roll Heater Rod illuminates
after self-test completes.
YN
Go to the OF
10-3 Heat Roll A
C Power RAP.
Switch off the power. Cheat the Front Door Interlock Switch. Disconnect P/J413A f
rom the IOT
Drive PWB. Check the resistance between J413 -13 and J413-A7 of the harness. The resis-
tance should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (
room
temperature). The resistance is within specification.
YN
Disconnect P/
J171 on the
Heat Roll Control Thermistor. The resistance from pin 1 to pin
2 should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (room temperature). The resistance is within specification.
YN
Replace the Heat Roll Control Thermistor (PL 8.4).
Go to F
lag 1 and Fl
ag 3 of BSD 10.2. Check for a loose wire or connector, or an intermit-
tent short circuit to ground.
Check the following:
• Check the H/R Control Thermistor for cleanliness, damage and excessive wear at the
point where th
e Thermistor contacts the Heat Roll. Ensure that it is installed correctly.
• If the surface of the Thermistor is worn, replace the H/R Control Thermistor (PL 8.
4).
• Inspect the surface of the Heat Roll for excessive wear due to the Thermistor. Replace the
Heat Roll if necess
ary (PL 8.3).
If the problem continues, replace the H/R Control Thermistor (PL 8.4). I
f the fault persists,
replace the IOT Drive PWB (PL 9.2).
10-362 Standby Heat Roll Not Ready RAP
The Heat Roll Lamp was On continuously for 90 seconds during Standby Mode, but the Heat
Roll did not reach operating temperature.
Initial Actions
Refer to BSD 10.2 and 10.12 for the following procedure.
Procedure
Cheat the Front Door Interlock. Switch on the power. The Heat Roll Heater Rod illuminates
after self-test completes.
YN
Go to the O
F10-3
Heat Roll AC Power RAP.
Switch off the power. Cheat the Front Door Interlock Switch. Disconnect P/J413A f
rom the IOT
Drive PWB. Check the resistance between J413-13 and J413-A7 of the harness. The resis-
tance should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (room
t
emperature). The resistance is within specification.
YN
Disconnect P
/J
171 on the Heat Roll Control Thermistor. The resistance should be in the
range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when cool (room tempera-
ture). The resistance is within specification.
YN
Replace the Heat Roll Control Thermistor (PL 8.4).
Go to F
lag 1 and Fl
ag 3 of BSD 10.2. Check for a loose wire or connector, or an intermit-
tent short circuit to ground.
Check the following:
• Check the H/R Control Thermistor for cleanliness, damage and excessive wear at the
point where the T
hermistor contacts the Heat Roll. Ensure that it is installed correctly.
• If the surface of the Thermistor is worn, replace the H/R Control Thermistor (PL 8.4).
• Inspect the surface of the Heat Roll for excessive wear due to the Thermistor. Replace the
Heat Roll if necess
ary (PL 8.3).
If the problem continues, replace the H/R Control Thermistor (PL 8.4).
If the fault persists,
replace the IOT Drive PWB (PL 9.2).
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