Epson DFX-9000 - Page 121

Epson DFX 9000 Revision B
Troubleshooting Troubleshooting 114
The printer does not initialize when the power is
turned on
Troubleshooting procedure
None of the
Control Panel
LEDs light.
Power source problem. 1. Check the power cable connection at both ends. Perform a continuity check on
the cable.
2. Verify that the wall socket supplies clean AC current that matches the voltage
rating on the printer.
Internal power problem Check and replace the following in the order below. Check functionality at each
step.
1. Check the connections at both ends of the OP CABLE.
2. Replace the OP CABLE (p.144)
3. Replace the OP UNIT (p.134)
4. Replace the POWER UNIT (p.136)
5. Initialize Page 51 or Replace Page 137 the ROM BOARD.
The Control Panel LEDs all light, but stay on. Initialize Page 51 or Replace the ROM BOARD (p.137).
Normal Control
Panel LED
operation (all
LEDs light briefly,
but only the
Power LED stays
lit).
The printer stops initialization after the
Control Panel LEDs light.
Check the following in the order below, testing functionality after each step.
1. Make sure the top cover is closed.
2. Check, and if necessary replace, the CO SW ASY (p.147)
3. Check the OP CABLE and connections. Replace the OP CABLE (p.144) if
necessary.
4. Replace the OP UNIT (p.134).
5. Initialize Page 51 or Replace Page 137 the ROM BOARD.
The printer stops initialization after the
Control Panel LEDs light, but
initializes normally after disconnecting
the data interface cable.
1. Check and replace the data cable.
2. Check the host computer for failure.
A Fatal Error message is displayed on the LCD. Refer to Troubleshooting based on error codes (p.106).