Xerox Phaser 6180 Service Manual page 174

Error Messages and Codes
3-48
Troubleshooting Procedure Table (continued)
Step Actions and Questions
5 Check the Toner Sensor wiring
harness connectors between the Print
Cartridge Sensor and the MCU Board.
Yellow: P/J19 and P/J191
■
Magenta: P/J19 and P/J192
■
Black: P/J19 and P/J193
■
Cyan: P/J19 and P/J194
■
Are the connectors securely
connected?
Does the error still occur?
6
7 Check the Toner Sensor Harness for
continuity.
1. Disconnect P/J Harnesses from the
MCU Board and the Print Cartridge
Sensor.
Yellow: P/J19 and P/J191
■
Magenta: P/J19 and P/J192
■
Black: P/J19 and P/J193
■
Cyan: P/J19 and P/J194
■
2. Check continuity between P/J
connectors:
Yellow: P/J19 <=> P/J191
■
Magenta: P/J19 <=> P/J192
■
Black: P/J19 <=> P/J193
■
Cyan: P/J19 <=> P/J194
■
8 Check the Print Cartridge Sensor
signal.
1. Disconnect P/J19 from the MCU
Board.
2. Is there +3.3 V across the Toner
Sensor Harness?
Yellow: J19-1 <=> J19-2
■
Magenta: J19-4 <=> J19-5
■
Black: J19-7 <=> J19-8
■
Cyan: J19-10 <=> J19-11
■
9 Check the Print Cartridge Sensor for
operation.
1. Measure the voltage across:
Ground <=> P/J19-3 (Yellow)
■
Ground <=> P/J19-6 (Magenta)
■
Ground <=> P/J19-9 (Black)
■
Ground <=> P/J19-12 (Cyan)
■
2. Does the voltage change when the
paper is inserted into the sensor
detecting point?
Yes
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 9.
Replace the
MCU Board
(page 8-87).
Phaser 6180 Color Laser Printer Service Manual
No
Reconnect the
connectors. Go
to step 6.
Complete.
Replace the
Toner Sensor
Harness.
Replace the
MCU Board
(page 8-87).
Replace the
Print Cartridge
Sensor:
Black
■
(page 8-53)
Yellow/
■
Magenta/Cyan
(page 8-54)