Procedure After Replacing The Reader Scanner Unit (The Contact Sensor); Procedure After Replacing The Copyboard Glass; Procedure After Replacing The Reader Unit; Procedure After Replacing The Adf Unit - Canon mf6600 Series Service Manual

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5
Adjustment > Scanning System Adjustment > Procedure After Replacing the ADF Unit
Scanning System Adjustment
Procedure After Replacing the Reader Scanner Unit (the
Contact Sensor)
After replacing the contact sensor, go through the following procedure and make sure to
adjust the output between channels.
1) Enter the service mode.
2) Press the arrow key on the control panel to display "TEST MODE".
3) Press OK key.
4) Press 2 key and "SCAN TEST" is displayed.
5) Press 1 key and "SHADING" is displayed.
After procedure the following procedure adjustment , go to [Procedure after replacing the ADF
unitl] (Refer to page 5-2)

Procedure After Replacing the Copyboard Glass

After replacing the copyboard glass, go through the following procedure.
1) Enter the service mode.
SCAN>SCAN NUMERIC
2) Input the value on the bar-code label (4 digit each) to [213], [214] and [215] items.
Input to 215
Input to 214
Input to 213
After procedure the following procedure adjustment , go to[Procedure after replacing the
reader scanner unit] (Refer to page 5-2) and [Procedure after replacing the ADF unitl] (Refer
to page 5-2).
5
Adjustment > Scanning System Adjustment > Procedure After Replacing the ADF Unit

Procedure After Replacing the Reader Unit

After replacing the reader unit, go through the following procedure.
1) [Procedure after replacing the copyboard glass] (Refer to page 5-2)
2) [Procedure after replacing the reader scanner unit] (Refer to page 5-2)
3) [Procedure after replacing the ADF unitl] (Refer to page 5-2)
After replacing the reader unit, if the registration position is displaced, go through the following
adjustment.
1) Enter the service mode.
SCAN>SCAN NUMERIC>031 Reader left edge registration position adjustment
SCAN>SCAN NUMERIC>032 Reader leading edge registration position adjustment
SCAN>SCAN NUMERIC>041 ADF left edge registration position adjustment
SCAN>SCAN NUMERIC>042 ADF leading edge registration position adjustment
SCAN>SCAN NUMERIC>219 ADF BW density adjustment
SCAN>SCAN NUMERIC>239 Vertical scanning magnification adjustment (reader)
SCAN>SCAN NUMERIC>240 Vertical scanning magnification adjustment (ADF)

Procedure After Replacing the ADF Unit

After replacing the ADF unit, go through the following procedure.
1) Enter the service mode from the Control Panel.
2) Select TEST MODE > 2 (SCAN TEST).
3) On the screen of the Control Panel, "FV WHITE LVL ADJ" "BW;--- CL;---" is displayed.
Adjust the white level of the Copyboard.
4) Place a blank paper on the Copyboard and press OK key.
5) On the screen of the Control Panel, "ACT" (adjusting) and "OK/NG" (adjustment result)
are displayed.
6) When the adjustment result shows "OK", press OK key to go to the ADF white level
adjustment. (To step 7)
When the adjustment result shows "NG", complete the operation without performing
the further adjustments and return to the "SCAN TEST" menu by pressing Stop key.
F-5-1
F-5-1
Adjust the ADF white level.
7) On the screen of the Control Panel, "ADF WHITE LVL ADJ" "BW;--- CL;---" is
displayed.
8) Place a paper on the ADF Pickup Tray and press OK key.
9) Place a paper on the ADF Pickup Tray and press OK key.
5-2
5-2

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