Density Sensor Failure - Xerox phaser 6250 Service Manual

Density Sensor Failure

Code 13: Density Sensor Failure.
Code 14:
Density Limit Over Output.
Code15: Density Limit.
Code 16: This is a generic density sensor error that is generated when a code 13, 14
or 15 is not specifically triggered.
Troubleshooting Reference Table
Applicable Parts
CTD (ADC) Sensor Assembly , PL 5.1.11
Troubleshooting Procedure Table
Steps Actions and Questions
1 Clean the CTD (ADC) Sensor to remove
any toner build up.
Does this fix the problem?
2 Use service diagnostics to test the CTD
(ADC) Sensor.
Does the sensor function correctly?
3 Replace the CTD (ADC) Sensor, see
page 8-42.
Does the error recur after the CTD (ADC)
Sensor has been replaced?
4 Check the CTD (ADC) Harness for
continuity:
See "Xerographics 1" on page 10-23.
5 Check the Harness Assembly Front 1A for
continuity.
See "Xerographics 1" on page 10-23.
3-64
Wiring and Plug/Jack Map References
"Xerographics 1" on page 10-23
Phaser 6250 Color Laser Printer Service Manual
Yes
Complete
Go to Step 4.
Go to Step 4.
Go to Step 5.
Replace the
Engine Control
Board,
page 8-107.
No
Go to Step 2.
Go to Step 3.
Complete
Replace the
CTD (ADC)
Harness
Assembly
PL 5.1.10.
Replace the
Harness
Assembly Front
1A PL 13.1.7.