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Service Guide ML393/ML393CPlus
Chapter 4 Failure Analysis
4.4 TROUBLESHOOTING TIPS
4.4.01 Preliminary Checks
1. Is the product being operated under the proper ambient conditions?
2. Does the paper being used meet the specifications for this product?
3. Has the ribbon been replaced as recommended?
4. Has the ribbon been installed properly?
5. Is an Okidata ribbon being used?
6. Is the printhead gap correctly set?
7. When replacing the main control board, be sure to remove any socketed PROMS and EEPROMS.
Replacement printed circuit boards are shipped WITHOUT these items.
When removing PROMs and EEPROMs, you MUST follow standard Electrostatic Sensitive Device (ESD)
safety precautions or you may damage the components.
8. Is the firmware the latest (current) revision?
9. Are the correct printer drivers being used for the printer?
10. 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)
Содержание ML393C Plus
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