Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-304
Cover Open: Waste Cover Open
Waste Cover Interlock Open.
Applicable Fault Code
• 093-302: Waste Cover Interlock Open
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• Waste Cartridge (Waste Toner Cartridge Assembly), PL 9.1.1
• MCU PWB, PL 12.1.15
• LVPS PWB, PL 12.2.1
• Waste Cartridge Switch Assembly Kit, PL 12.2.3
• Top Harness Assembly, PL 12.2.24
• Power on page 7-38
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the installation of the Waste Cartridge
(REP 9.1 Waste Cartridge on page 4-159).
Is the Waste Cartridge installed properly?
Go to step 2. Reinstall the Waste
Cartridge.
2. Check the Waste Cartridge Set Switch operation.
Perform DC330 Component Control on
page 2-26 [041-301] to check the operation of
the Waste Cartridge Set Switch.
Is it working properly?
Replace the MCU PWB
(REP 12.4 MCU PWB
on page 4-206).
Go to step 3.
3. Check the connection between the Waste
Cartridge Set Switch and LVPS PWB.
Are the connectors P/J5225 and P/J522
connected securely?
Go to step 4. Connect the
connectors P/J5225
and P/J522.
4. Check the voltage supply (+5VDC) to the Waste
Cartridge Set Switch.
Measure the voltage between the LVPS PWB
GND <=> P/J522-5.
Is there a voltage (approx. +5VDC) output?
Close the Interlock Switch and check.
Replace the Waste
Cartridge Set Switch
(REP 12.8 Waste
Cartridge Switch
Assembly on
page 4-213).
Replace the LVPS PWB
(REP 12.7 LVPS PWB
on page 4-211).
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