2. Copier-specific Adjustments

2.7.2 To Adjust the Copy Image Quality in the Full Color Mode

*You can start with any of the procedures. But it is recommended to perform the procedures in order, as listed below. You can use one procedure in conjunction with another. But if this changes the image quality more than required or loses the effectiveness of the adjustment, restore the settings made in the previously used procedure to the original ones. Then use other procedures.

*Both the service technician and the user can use procedures (1) and (3).

*Only the service technician must use procedure (2).

(1) Press the [IMAGE] button on the Control Panel. Press the [BACKGROUND ADJUSTMENT] button. Press the [LIGHT] button to decrease the background density.

After decreasing the background density, copy and check the copy image quality.

With the background density set to the minimum, if the images seen through the back of the page are still copied, the service technician must use the next procedure.

(2) Enter adjustment mode [05]. Change the values for codes [1688 to 1692] and [1698 to 1702] to adjust the background density.

 

Adjustment

Original mode

[05] code

Recommended value

Acceptable

Default

 

 

 

 

 

value range

 

 

Automatic offsetting

Text/Photo

05-1688

 

 

 

 

Text

05-1689

 

 

 

 

adjustment for

Printed image

05-1690

 

 

 

 

background processing

Photo

05-1691

 

 

 

 

 

Map

05-1692

Set a value smaller than 128.

0 to 255

128

 

Manual offsetting

Text/Photo

05-1698

 

 

 

 

 

Text

05-1699

 

 

 

 

adjustment for

Printed image

05-1700

 

 

 

 

background processing

Photo

05-1701

 

 

 

 

 

Map

05-1702

 

 

 

*The value for automatic offsetting adjustment for background processing will be applied, only if the automatic copy density mode is selected. On the other hand, the value for manual offsetting adjustment for background processing will be applied, only if the manual copy density mode is selected.

*Set the value in increments of approximately 10, while checking the copy image until the optimum value is obtained.

*The value for the code corresponding to the original mode (Text/Photo, Text, or Printed image) will affect the copy image quality in the Full color mode and the Auto color mode.

*The value adjusted for the background density is shared in the Full color mode with the Printed image mode selected and in the Black mode with the Photo mode selected. Therefore, adjusting the copy image quality in either of the modes affects that in the other mode. Perform copy image quality adjustment in the mode that is used for the adjustment, while checking that in the other mode.

e-STUDIO5520C/6520C/6530C

© 2008 TOSHIBA TEC CORPORATION All rights reserved

 

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Toshiba 5520c, 6520c manual To Adjust the Copy Image Quality in the Full Color Mode

6520c, 5520c specifications

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