Epson DFX-9000 - Page 129

Epson DFX 9000 Revision B
Troubleshooting Troubleshooting 122
The switches on the control panel are inoperable. 1. Check whether the printer has been Paused, and if so place the printer online.
2. Verify the OP CABLE connection between the OP Board and ROM BOARD.
See Figure 4-6. OP UNIT Removal (p.134), and Figure 4-10. ROM BOARD
Removal (1) (p.137).
3. If necessary, replace the OP CABLE (p.144)
4. Cycle (turn off and back on) the printer’s power and confirm the trouble
symptom.
NOTE: If the printer is producing abnormal odor or smoke, do not turn the
power back on until the source has been determined and the problem resolved.
5. Check and replace the OP UNIT (p.134)
6. Check and replace the ROM BOARD (p.137)
Control Panel related failure Troubleshooting procedure