Epson DFX-9000 - Ribbon Jam Error; No Paper Feed from Either Paper Path; Intermittent Paper Feed from Either Paper Path

Epson DFX-9000 Field Repair Guide 3/29/07
Troubleshooting Printer Component, Software Item, LCD Display, Printer Button Page 138.
Ribbon Jam Error
Action:
1. Reinstall the Ribbon Cartridge. If the Ribbon Cartridge is defective, replace it.
2. If “false” ribbon jam errors occur (Ribbon Jam Error occurs but the ribbon moves freely), replace the RF Unit.
3. An improperly adjusted Card Guide Assy will impair the ribbon’s feed performance. Perform the Card Guide
Mount Adjustment.
4. A deformed Ribbon Mask can cause the ribbon to jam. Check and, if damaged, replace the Ribbon Mask.
5. An incorrect platen gap can cause the ribbon to jam.
NOTE: The following adjustments affect the platen gap: the Card Guide Mount Position Adjustment, the
APTC Thickness Detection Adjustment, and the APTC Detection Adjustment.
No Paper Feed from either paper path
Action:
1. Replace the LF Motor.
2. Replace the ROM Board.
Intermittent Paper Feed from either paper path
Action:
1. Replace the LF Motor.
2. Replace the ROM Board.