3-48 Phaser 6300/6350 Color Laser Printer Service Manual
Replace [Y] [M] [C] [K] Toner Cartridge
The CRUM Reader detected a CRUM ID error or a Non-Xerox Toner Cartridge.
An empty or non-genuine Xerox cartridge, a fatal cartridge error, or a fatal printer
error can cause this error. Check for an error code in the help text prior to
troubleshooting. If a code in the range of 232~235 appears, or no code is present, see
"Replace [Y] [M] [C] [K] Toner Cartridge or [Y] [M] [C] [K] Toner Is Low" on
page 3-42.
A Non-Xerox Toner Cartridge warning message occurs when the printer detects the
presence of Non-Xerox Toner. The customer can continue to print by selecting use it
on the Control Panel when queried whether to use the Non-Xerox cartridge. If the
customer chooses Do Not Use, the warning message is replaced by the Replace [C]
[M] [Y] [K] Toner Cartridge error message and the associate codes (96 ~ 99) appear
in the help text.
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Fill the tray with paper.
Does the error occur if the tray is full?
Go to Step 2. Complete
2
Check the following for evidence of fault or
damage:
■ Low Paper Sensor
■ Low Paper Actuator
Is there any damage?
Replace any
damaged parts.
Go to Step 3.
3
Test the Low Paper Sensor.
Run the Service Diagnostics Low Paper
Sensor test.
Does the sensor function properly?
Replace the Engine
Control Board
(
page 8-104).
Go to Step 4.
4
Check the Low Paper Sensor signal.
Is there +3.3 V between J823-1 <=>
J473-2?
Replace the Low
Paper Sensor for
the affected tray.
Go to Step 5.
5
Check all pins on the LOWP Harness
PL12.3.6 for continuity.
1. Disconnect P/J81 and P/J823.
2. Check continuity between J81 <=> J471.
Replace the
OPTFDR Board for
the affected tray.
Replace the
LOWP Harness.
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