How to Fix 089-623 089-629 089-674 to 089-679 Error Code for Xerox VersaLink C7020 C7025 C7030 C7000 Printer?

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089-623, 629, 674, 676, 677, 679 MOB ADC Sensor Fail RAP

BSD-ON: BSD 9.9 ADC and Environment Sensing

089-623 The amount of reflected light was not stabilized during MOB ADC In Sensor LED brightness correction.
089-629 The amount of reflected light was not stabilized during MOB ADC Out Sensor LED brightness correction.
089-674 The LED light amount setting value does not converge in gain correction of the MOB ADC In Sensor LED Brightness Correction.
089-676 The LED light amount setting value does not converge in gain correction of the MOB ADC Out Sensor LED Brightness Correction.
089-677 An error occurs in the output voltage value of the IBT Belt Sensor during MOB ADC In Sensor LED Brightness Correction.
089-679 An error occurs in the output voltage value of the IBT Belt Sensor during MOB ADC Out Sensor LED Brightness Correction.

Initial Actions

Enter dC125, if multiple chain 89 faults are indicated, refer to Chain 089 Entry RAP to determine the highest priority fault.

Procedure

WARNING:Ensure that the electricity to the machine is switched off while performing tasks that do not need electricity. Refer to GP 10. Disconnect the power cord. Electricity can cause death or injury. Moving parts can cause injury.

Refer to the procedure that follows as necessary:

GP 7 How to Check a Sensor.

1. Check the wiring between the drive PWB and the applicable MOB ADC sensor for open circuits, short circuits or damage. The connection is good. If YES, go to 3. If NO, go to 2.

2. Reconnect or repair the wiring between the drive PWB and the MOB ADC sensor.

3. Check the IBT Belt, PL 90.45, at the applicable MOB ADC Sensor position for damage and distortion. The IBT Belt is good. If YES, go to 5. If NO, go to 4.

4. Install a new IBT belt unit, PL 90.45 Item 1. Enter dC135 code 954-820 to reset the HFSI value for the BTR Unit.

5. Check the detection area of the applicable MOB ADC sensor for obstruction or contamination. The MOB ADC sensor is good. If YES, go to 7. If NO, go to 6.

6. Clean the detection area of the MOB ADC sensor.

7. Install a new MOB ADC sensor assembly, PL 90.40 Item 6. The fault persists. If YES, go to 9. If NO, go to 8.

8. Perform SCP 5 Final Actions.

9. Install a new IBT belt unit, PL 90.45 Item 1. After installing a new IBT belt unit, enter dC135 code 954-820 to reset the HFSI value for the BTR Unit. The fault persists. If YES, go to 11. If NO, go to 10.

10. Perform SCP 5 Final Actions.

11. If the fault persists, install a new drive PWB PL 1.10 Item 4. Enter dC675, perform the registration control setup cycle.

**This RAP is from Xerox Service Manual. All brand names and trademarks are their respective owner's property.**

You may be also interested in below toner and drum chip (CRUM) for Xerox VersaLink C7020, C7025, C7030, C7000.

Toner Chip (For North America and West Europe Region):

106R03741 106R03744 106R03743 106R03742
106R03757 106R03760 106R03759 106R03758
106R03737 106R03740 106R03739 106R03738

Toner Chip (For South America and East Europe Region):

106R03749 106R03752 106R03751 106R03750
106R03745 106R03748 106R03747 106R03746
106R03765 106R03768 106R03767 106R03766

Toner Chip (For Metered Machine):

106R03733 106R03736 106R03735 106R03734

Drum Chip:

113R00780 113R00782

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