3-150 Xerox Internal Use Only Phaser 6500/WorkCentre 6505 Service Manual
Error Messages and Codes
IOT Toner Cartridge Near Life
Applicable Error Codes
• 093-423 / 093-424 / 093-425 / 093-426:
2 Check after resetting the Humidity
Sensor.
Reseat the Humidity Sensor.
Does the error still occur when the
power is turned Off and On?
Go to step 3. Complete.
3 Check the Left Side Harness Assy for
continuity.
Disconnect J20 from the MCU Board.
Disconnect J201 from the Humidity
Sensor.
Is each cable of J20 <=> J201
continuous?
Go to step 4. SFP: Replace
the Humidity
Harness Assy.
(PL 9.1.6)
MFP: Replace
the Left Side
Harness Assy.
(PL 3.1.18)
4 Check power to Humidity Sensor.
Disconnect the connector of J20 from
the MCU Board.
Measure the voltage across P20-4 <=>
ground on the MCU Board.
Does the voltage measure about +5
VDC?
Replace the
Humidity
Sensor. (SFP,
page 8-130;
MFP,
page 8-153)
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
â– Toner Cartridge (Y) (PL5.1.24)
â– Toner Cartridge (M) (PL5.1.23)
â– Toner Cartridge (C) (PL5.1.22)
â– Toner Cartridge (K) (PL5.1.21)
â– MCU Board (SFP PL8.2.13; MFP
PL8.3.6)
—
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Replace the Toner Cartridge (Y, M, C or
K). (page 8-12)
Does the error still occur when the
power is turned Off and On?
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Complete.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No
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