Toner K Crum Communication Fail - Xerox Phaser 7500 Service Manual

Toner K CRUM Communication Fail

Phaser 7500 Printer Service Manual
Communication failure with Toner CRUM (K) was detected.
Applicable Chain-Link Code
• 093-924: Toner K CRUM Comm Fail
Initial Actions
• Check the Toner Cartridge life.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Toner Cartridge (K), PL5.1.1
■
Toner CRUM Coupler Assy (K),
■
PL5.1.8
MCU PWB, PL18.3.6
■
1. Turn the power Off and On.
2. Check the connection between the MCU PWB J411 and the Toner CRUM
Coupler Assembly (K) J123 for open circuit, short circuit, and poor contact.
Also, remove and reinstall the Toner Cartridge (K) and check for improper
installation.
3. If no problems are found, replace the following parts in sequence:
• Toner Cartridge (K) (REP 1.1,
• Toner CRUM Coupler Assembly (K) (PL5.1.8)
• MCU PWB (REP 18.12,
Error Messages and Codes
Wiring and Plug/Jack Map References
page 8-9)
page 8-202)
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