Print Test (Function 87); Print Head Position Adjustment (Function 88); Error Code Display (Function 89); Ram Data Dump List (Function 90) - Ricoh FAX680MP Service Manual

31 March, 1997

4.2.7 PRINT TEST (FUNCTION 87)

1. Press the Function key, [8], [7].
2. Select a test from the following:
1) Mixed patterns chart
2) 5% black chart
3) Oblique lines chart
4) ASF (Automatic Sheet Feeder) Test
3. Press the Stop key to stop the test.
4. Press the Stop key to return to standby.

4.2.8 PRINT HEAD POSITION ADJUSTMENT (FUNCTION 88)

1. Press the Function key, [8], [8], then the
Yes key.
The machine automatically adjusts the
printing head carriage home position.
2. After automatic adjustment has been
finished, fine-adjust the carriage home
position using the following keys:
[*] - Move to the left by 1/1200 inch
[#] - Move to the right by 1/1200 inch
3. Press the Stop key to finish the
adjustment.

4.2.9 ERROR CODE DISPLAY (FUNCTION 89)

1. Press the Function key, [8], [9], then the
Yes key.
2. Scroll through the error codes using the
[*] and [#] keys.
3. Press the Stop key to return to standby.

4.2.10 RAM DATA DUMP LIST (FUNCTION 90)

1. Press the Function key, [9], [0], then the
Yes key.
The machine prints a RAM dump list of
the addresses E000 through FDFF (H).
PRT TEST 1 2 3 4
HEAD ALIGN.? Y/N
SELF TEST···
LEFT-* RIGHT-#
00:01-33
4-5
SERVICE MODE
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