Canon Microfilm Scanner 500 Buku Petunjuk - Halaman 43

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MAINTENANCE AND TROUBLESHOOTING

Service Calls

Every time you turn on the main unit, the unit automatically per-

forms a self-diagnostic test. If the unit detects a problem at power

on, or at any other time during operation, it will display a Service

Call Error message in the Print display. A Service Call Error is a

three-digit number prefixed with the letter "E" (Ennn). A Service

Call Error message tells the service technician the source of the

problem.

Follow the procedure below when a Service Call Error occurs.

1. Note the Service Call Error in the Print display and turn the main

unit off immediately. Wait a few moments.

2. Turn the main unit on again and watch the display.

If you see a "1" in the Print display, the main unit has recovered

and you can resume normal operation.

When a service call error occurs, turning the main unit

off and on again frequently solves the problem.

If you see the Service Call Error again (Ennn), jot down the error

number, turn the main unit off immediately, then unplug the main

unit, printer, and/or carrier from the power source. Call for ser-

vice and make sure you tell the service technician the number of

the Service Call Error displayed in the Print display.