3-68 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Error Messages and Codes
Density Sensor Failure
An error was detected in the CTD (ADC) sensor.
Applicable Status Codes:
Code 13: Density Sensor Failure.
Code 14: Density Limit Over Output.
Code 15: Density Limit.
Code 16: This is the generic fault used by the engine if a lower level error
cannot be reported to the controller.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Transfer Roller, PL5.1.4
■ FSR/ADC Harness, PL5.2.28
■ CTD(ADC) Sensor Holder, PL5.2.19
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Wiring Xerographics (1/2)
(page 10-24)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the following for evidence of fault
or damage:
■ Transfer Roller, PL5.1.4
■ CTD (ADC) Sensor Holder, PL5.2.19
Are any parts damaged?
Replace any
damaged parts.
Go to Step 2.
2 Clean the CTD (ADC) Sensor.
Does the error persist?
Go to Step 3. Complete
3 Test the CTD (ADC) Sensor.
Run the Service Diagnostics CTD (ADC)
Sensor test.
Does the sensor function correctly?
Go to Step 4. Go to Step 5.
4 Replace the Transfer Roller.
Does the error persist?
Go to Step 5. Complete
5 Check all pins on the FSR/ADC Harness
PL5.2.28 for continuity.
1. Disconnect P/J36 and P/J136.
2. Check continuity between J36 <=>
J136.
Go to Step 6. Replace the
FSR/ADC
Harness.
6 Check the CTD (ADC) Sensor signal.
Disconnect P/J136.
Is there 0 V across P136-4 <=> P136-
1?
Replace the CTD
(ADC) Sensor
Holder
(
page 8-72).
Replace the
Engine Control
Board
(
page 8-106).
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