Sharp AR-C260 Key Operator's Manual - Page 13

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G Manually adjusting the registration

The procedure for manually adjusting the registration is explained here. This procedure is used when you select manual

adjustment in the [Registration adjustment] key operator program explained on page 10.

Touch the [MANUAL ADJUSTMENT] key and then the [EXECUTE] key to print the adjustment pattern for manual

registration adjustment. This pattern consists of scales that show how much each of the colours C (cyan), M (magenta),

and Y (yellow) are off. If a colour deviates greatly from the reference value, it can be corrected by entering the deviation

value from the touch panel. Follow the steps below to manually adjust the registration.

Understanding the adjustment pattern

The amount of deviation is given within a range of -60 to 60, where 60 represents the maximum value and "0" represents

minimal deviation. (See the enlarged view of scale B.)

As shown in the diagrams, the scales indicating the range of deviation appear in pairs for each colour, with one scale

showing the x1 component of the deviation, and the other scale showing the x10 component.

Adjustment pattern

Scale A consists of two scales for each colour (C1, M1, Y1 and C2, M2, Y2), and the peak value of the distribution range

of each colour on the scale is the x1 component of the deviation.

Adjustment is performed by entering the deviation, which is the total value of scale A and scale B. However, in most cases

adjustment is possible using just the deviation value from scale A. Follow these steps to perform adjustment.

In the manual registration adjustment screen

of the touch panel, touch the key of the colour

you wish to correct ([C1], [M1], [Y1], [C2], [M2],

or [Y2] key).

Use the

key to enter the scale A (x1)

value of the key selected in step 1.

G Repeat steps 1 and 2 to adjust the other colours.

G If the printed adjustment pattern is similar to the

example of C2 shown above (the peak in scale A

is between -1 and 1 and the value of scale B

overlaps "0"), correction is not necessary.

To print an adjustment pattern showing the

results of your entries, touch the [PRINT] key.

Example: Adjusting cyan (deviation in the primary scanning direction)

Registration adjustment pattern of cyan in the primary scanning direction

9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9

Identify the peak of the distribution

Registration adjustment pattern of cyan in the secondary scanning direction

9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9

Scale A

-60

Scale B

In the adjustment pattern printed in step 3,

verify that the peak of the distribution in

scale A is between -1 and 1 for each colour,

and that the scale B value overlaps "0". If

this is the case for all colours, respond to

the display messages by touching the

[YES] key and end adjustment.

G If the scale B value of one (or more) of the

colours does not overlap "0", touch the [NO] key

to return to the screen of step 1.

G If a scale B value of a colour does not overlap "0",

the value overlaps 20, 40, 60, -20, -40, or -60 as

shown above. In step 2, enter the number that

the value overlaps as a multiple of 10.

Repeat

steps

adjustment.

G You can touch the [OK] key at any time during

the

adjustment

correction values entered to that point and end

manual registration.

G To cancel all corrections entered to that point

and return to the previous screen (before

manual registration was executed), touch the

[CANCEL] key.

GENERAL PROGRAMS

-20

-40

-60

(Enlarged view of scale B)

complete

procedure

store

the