Xerox Phaser 7400

3-62 Phaser 7400 Color Printer Service Manual
Replace Waste Cartridge
The end of life counter indicates that the Waste Toner Reservoir requires replacement.
Initial Actions:
■ Replace the Waste Toner Reservoir
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Waste Toner Cartridge, PL1.1.22 ■ Print Engine Map 3 (page 10-6)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the count value stored in NVRAM.
Run the Service Diagnostics CRU Counter
Read utility.
Has the counter for the Waste Cartridge been
reset?
Replace the Engine
Control Board
(
page 8-112).
Go to Step 2.
2
Reset the Waste Cartridge count.
1. Run the Service Diagnostics Reset Waste
Cartridge Count utility.
2. Reset the Waste Cartridge count.
Did the count value change?
Replace the Engine
Control Board
(
page 8-112).
Replace the
Engine Control
Board NVRAM.