Preliminary Checks - Epson DFX-9000 Service Manual

Epson DFX 9000

3.1.2 Preliminary checks

Before starting troubleshooting, be sure to verify that the following
conditions are all met:
1. Verify that the wall socket supplies clean AC current that matches
the voltage rating on the printer. Measure the voltage at the wall
socket.
2. The POWER CORD must be free from physical damage, short
circuit, wire breaks, or miswiring.
3. The printer must be grounded properly.
4. The printer should not be located where it is exposed to temperature
or humidity extremes, or abrupt temperature change. See Chapter 1
for Operating environment conditions
5. The printer should not be located near water, humidifiers, heaters, or
flames. Keep the printer free from exposure to dust and the direct
output from an air conditioner.
6. The printer should not be located in a place where volatile or
inflammable gases are produced.
7. The printer should not be located in a place where it can be exposed
to direct sunlight.
8. The printer must be located in a well-ventilated place.
9. The printer must be placed on a strong, steady, and level (less than
5° inclination) surface.
10. The paper used must conform to the specifications listed in
Chapter 1.
11. There must be no abuse or mishandling of the printer.
12. The Periodic Maintenance Parts must be replaced on schedule. See
Chapter 6, Maintenance (p.257).
Troubleshooting
(p.12).
Overview
13. If you cannot print data from the host computer, initiate the printer's
self test and check for problems with the output. Check the Default
Settings printed on the Self Test for any incorrect settings. Refer to
Chapter 1, Self test (p.50).
14. Check the printer inside and out for dirt, obstructions or physical
damage.
15. Make certain that all cable connectors are connected properly.
16. Confirm that all gears are engaged properly and are not exhibiting
excess wear or other signs of friction or misalignment.
17. Make certain that the rollers inside the printer are free from
contamination, label remnants or other debris, and scratches.
18. Reset the EEPROM to the factory default settings, if necessary.
Refer to Chapter 1, Clear EEPROM
Revision B
(p.51).
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