Dusty Density Sensor - Xerox Phaser 6300 Service Manual

Troubleshooting Procedure Table (Continued)
Step Actions and Questions
7 Check the Engine Control Board.
Disconnect P/J51.
1. Close the Interlock Switch while testing.
2. Is there +24 V for the Toner Motor?
P51-B21 <=> ground Yellow
P51-B26 <=> ground Magenta
P51-B31 <=> ground Cyan
J51-B36 <=> ground Black
Is there +24 V to the affected Toner Motor?
8 Check the TNR Harness Toner Motor
connections for continuity.
Disconnect P/J51 and P511 (Y), P512 (M),
P513 (C), 514 (K).
Is the harness conductive?
9 Replace the Toner Cartridge Holder for the
affected color.
Does the error persist?

Dusty Density Sensor

The printer detects an accumulation of dust on the CTD (ADC) Sensor.
Applicable Status Code:
Code 151: Dusty Density Sensor
Initial Actions:
Cycle printer power.
If the problem persists, follow the procedure below
Troubleshooting Reference Table
Applicable Parts
CTD (ADC) Sensor, PL5.2.19
FSR/ADC Harness, PL5.2.28
Troubleshooting Procedure Table
Step Actions and Questions
1
Clean the CTD (ADC) Sensor.
Does the error persist?
3-44
Wiring and Plug/Jack References
Print Engine Map 2 - P/J Locator (page 10-6)
Print Engine Xerographics (1/2) Wiring (page 10-24)
Phaser 6300/6350 Color Laser Printer Service Manual
Yes
Go to Step 8.
Go to Step 9
Replace the
Engine Control
Board
(page 8-104).
Yes
Go to Step 2.
No
Replace the Engine
Control Board
(page 8-104).
Replace the Toner
Harness.
Complete
No
Complete