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7
Troubleshooting
7 Troubleshooting
7.1How to Use This Section
1.If a component on a P.W.Board or any other functional unit including motor is defective, the booklet only instructs you to replace the whole P.W.Board or functional unit and does not give troubleshooting procedure applicable within the defective unit.
2.All troubleshooting procedures contained herein assumes that there are no breaks in the harnesses and cords and all connectors are plugged in the right positions.
3.For the removal procedure of covers and parts, refer to the "DISASSEMBLY/CLEANING" section.
4."GND" indicated in this booklet represents a
5.The procedures are given in the order of greater frequency of occurrence of malfunctions and in the order of operation.
6.The procedures preclude possible malfunctions due to noise and other external causes.
7.Refer to the wiring diagram of Appendix for wiring of electrical parts.
8.Since this manual has not indicated the trouble of the printer, refer to the service manual of the printer.
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