Printer Tests; Line Condition Check - Ricoh FACSIMILE FAX77 Field Service Manual

9. Printer Tests

1. For these tests, you do not need to enter service mode or test mode.
2. Press the Copy key, then immediately after, press a key from 1 to 4, depending on the required test. Do
not release the keys until the printer has started.
1 - Thin vertical lines
2 - Thick vertical stripes
3 - Pattern
4 - Dense diagonal stripe pattern

10. Line Condition Check

1. Enter the test mode. See page 2-22.
2. From the test mode menu, press 6. The Di relay will close, and sounds from the line can be heard at the
monitor speaker. Press Function or Stop at any time to return to standby.
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