Xerox PHASER 7500 - Toner M CRUM Not in Position

3-298 Phaser 7500 Printer Service Manual
Error Messages and Codes
Toner M CRUM Not In Position
The Toner CRUM (M) is not in the proper position.
Applicable Chain-Link Code
• 093-971: Toner M CRUM Not In Position
Initial Actions
• Check the Toner Cartridge life.
• If the problem persists, follow the procedure below.
1. Remove and reinstall the Toner Cartridge (M) (REP 1.1, page 8-9).
2. Clean the connection terminals between the Toner Cartridge (M) CRUM PWB
and the Toner CRUM Coupler Assembly (M) CRUM with dry cloth. (When
cleaning, do not use drum cleaner, etc.)
3. Check the following:
• The connection between the MCU PWB J411 and the Toner CRUM
Coupler Assembly (M) J121 for open circuit, short circuit, and poor
contact.
• The connection terminals between the Toner Cartridge (M) CRUM PWB
and the Toner CRUM Coupler Assembly (M) CRUM for damage and debris.
• The Toner Cartridge (M) for improper installation.
4. If no problems are found, replace the following parts in sequence:
• Toner Cartridge (M) (REP 1.1, page 8-9)
• Toner CRUM Coupler Assembly (M) (PL5.1.8)
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Toner Cartridge (M), PL5.1.3
■ Toner CRUM Coupler Assy (M),
PL5.1.8
■ MCU PWB, PL18.3.6