3-44 Phaser 6300/6350 Color Laser Printer Service Manual
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
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?
Go to Step 8. Replace the Engine
Control Board
(
page 8-104).
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?
Go to Step 9 Replace the Toner
Harness.
9
Replace the Toner Cartridge Holder for the
affected color.
Does the error persist?
Replace the
Engine Control
Board
(
page 8-104).
Complete
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ CTD (ADC) Sensor, PL5.2.19
■ FSR/ADC Harness, PL5.2.28
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Xerographics (1/2) Wiring (page 10-24)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Clean the CTD (ADC) Sensor.
Does the error persist?
Go to Step 2. Complete
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No
To Next Page
Loading...
