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Service Guide OJ2010
Chapter 4 Failure and Repair Analysis
4.4 TROUBLESHOOTING TIPS
4.4.01 Preliminary Checks
1. The printer can be serviced without being connected to a host computer.
2. Is the product being operated under the proper ambient conditions?
3. Does the paper being used meet the specifications for this product?
4. Have the print cartridges been replaced as recommended?
5. Have the print cartridge been installed properly?
6. Are Okidata print cartridges being used?
7. Are the printheads correctly aligned?
8. When replacing the system board, be sure to remove the EPROM. Keep it and install it in the new
(replacement) board.
Replacement printed circuit boards are shipped
WITHOUT
the EPROM.
When removing the EPROM, you
MUST
follow standard Electrostatic Sensitive Device (ESD) safety
precautions or you may damage the components.
9. Is the firmware the latest (current) revision?
10. Are the correct printer drivers being used for the printer?
11. Is the printer driver being used the latest (current) release?
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)