AR-C270 (serv.man11). (Section 7) Settings Adjustments M17-M20 - Sharp Copying Equipment Service Manual (repair manual). Page 17

Serviceman chart (Color patch section)

Check the copy density in the low-density area
and the white area of the color patch section.

This adjustment must be performed in the following cases:

•

When a U2 trouble occurs.

•

When the ICU main PWB is replaced.

•

When the EEPROM of the ICU main PWB is replaced.

Used to adjust the gamma and the density in each copy mode individually. The adjustment in each copy mode is not required normally, but is per-
formed when the user requests it.

1) Enter either of SIM 46-10, 46-19 modes. (Select the simulation according to the copy mode to be adjusted.)

AR-C250

Copy mode

Model

Adjustment (Simulation)

Color balance

adjustment in each

copy mode

Overall color

balance adjustment

of all copy modes

Low density level

Main

Sub

Main

Sub

Main

Sub

Color

Copy
document
mode

Text Printed Photo mode

Manual

AR-C250

46

10

46

21/20

46

1

Printed Photo mode

Manual

AR-C250

Text mode

Manual

AR-C250

Normal mode Text mode

Manual

AR-C250

11

Auto

Text Printed Photo mode

Manual

AR-C250

12

Auto

Printed Photo mode

Manual

AR-C250

Photo mode

Manual

AR-C250

13

Text Photo mode

Manual

AR-C250

Auto

Map mode

Manual

AR-C250

14

Monochrome Copy

document
mode

Text Printed Photo mode

Manual

AR-C250

15

2

Printed Photo mode

Manual

AR-C250

Text mode

Manual

AR-C250

Normal mode Text mode

Manual

AR-C250

16

Auto

Text Printed Photo mode

Manual

AR-C250

17

Auto

Printed Photo mode

Manual

AR-C250

Photo mode

Manual

AR-C250

18

Text Photo mode

Manual

AR-C250

Auto

Map mode

Manual

AR-C250

19

7 –  40