Distortion Adjustment (Copier) - Konica Minolta 7085/FORCE 85 Service Manual

3. RADF centering adjustment
Adjusting the RADF copy centering.
The adjustment items are as follows:
• Small size front side(B5R)
• Small size back side(B5R)
• Large size front side(A3)
• Large size back side(A3)
Step
1 Enter the 36 mode.
2 [36 Mode Menu Screen]
Press "
2
3 [Image adjustment mode menu Screen]
Press "
5
4 [Centering adjustment mode menu
Screen]
Press" RADF centering adjustment."
3
5 [RADF centering adjustment Screen]
Press the
Both side - Single side copy mode.
6 Load A3-size paper in tray 1, place small
size or large size original on RADF, and
press the Start button.
7 Fold the paper in half at the center and
check whether the lines on the left and
right overlap completely.
Specification: ±1mm
8 If the offset is not within specification,
press the C button while pressing the P
button.
9 [RADF Centering Adjustment Screen]
Press the
PREVIOUS ADJUSTMENT
item to adjust.
The screen changes as follows:
SIDE1(small) -> SIDE2(small) ->
SIDE1(large) -> SIDE2(large)
10 Enter a value with the numeric keys and
press the
Setting range: -30 to +30
1 step=0.1 mm
11 Repeat steps 5 to 10 until the offset is
within specification.
12 Press the
return to the Centering adjustment mode
menu Screen.
Operation
Image adjustment."
Centering adjustment."
key and enter
COPY SCREEN
or
NEXT ADJUSTMENT
key to select the
key.
SET
key to
PREVIOUS SCREEN

[12] Distortion Adjustment (Copier)

This is to correct distortion during platen/RADF
copying. There are four adjustment items for
warp correction:
• Scanner (platen) warp (main scan)
• Scanner (platen) warp (sub-scan)
• Scanner (RADF) warp (main scan)
• Scanner (RADF) warp (sub-scan)
Step
1 Enter 36 to select the 36 mode.
2 [36 Mode Menu Screen]
Press "
3 [Image adjustment mode menu Screen]
Press "
4 [Warp adjustment (copier) Screen]
Press the
5 Select A3-size paper. To check the
platen, set an adjustment chart on the
original glass. To check RADF, set it on
RADF.
6 Check for platen copy warp or RADF
copy warp.
Allowable warp range: The difference in
lengths of two diagonals of a 200 mm
squire must be within 1.4 mm.
7 If the platen copy warp or RADF copy
warp is outside the allowable warp
range, press the P button, and the C
button with the P button held pressed.
8 [Warp Adjuctment (Copier) Screen]
Press the
PREVIOUS ADJUSTMENT
desired adjustment item.
9 Enter a number with ten keys, and press
the Set key.
Range of setting: -50 to +50
Warp correction unit: 0.06%
10 Repeat steps 6 through 9 until the warp
is within the allowable range.
11 Press the
turn to the Warp Adjustment (Copier)
screen.
1 - 85
36 ADJUSTMENT
Operation
Image adjustment."
2
Warp adjustment (Copier)."
6
key.
COPY SCREEN
or
NEXT ADJUSTMENT
key to select the
key to re-
PREVIOUS SCREEN