Minolta CF910 Service Manual page 297

12. If the value is outside the range, return to the Service Mode Menu, select "Test Print"
and "Solid Pattern", and press the Start key to produce a test print.
13. Check to see if the solid pattern on the test print produced is faulty (particularly if the
image density is too low). If the solid pattern looks good, replace the AIDC Sensor and
make the check again.
9. After AIDC Sensor Adjust (Auto) has been
completed, the results are displayed. If
they are okay, touch "Ex." and set the
copier into the AIDC Offset mode.
10. With the AIDC Offset screen on the Touch
Panel, press the Start key to let the copier
start an automatic adjustment sequence.
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11. After the adjustment sequence has been
completed, the results are displayed on
the Touch Panel. Make sure that the
value shown for each color falls within the
specified range.
Specification Range
Cyan, Magenta, Yellow ... 27 to 76
Black
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14. After AIDC Offset has been completed,
touch "Ex." to set the copier into the Black
ATDC Adjust mode.
15. With the Black ATDC Adjust screen on the
Touch Panel, press the Start key to let the
copier start the automatic adjustment
sequence.
16. After the sequence has been completed,
touch "Ex." to go back to the Developer
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Change Mode.
17. Turn OFF, then ON, the Power Switch to
return to the initial screen.
18. Check the Black Developing Unit for
adjustment for unit-to-unit variations.
Unit-to-Unit Variations Check Procedure
1. Select "State Confirm" from the Service
mode menu.
2. Select "Bk Toner Sup. Status" and check
that the "Machine Constant" value falls
within the range of -1 to 1.
3. After the check, press the Panel Reset
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key.
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