
e-STUDIO477S/527S/477SL
© 2013-2016 TOSHIBA TEC CORPORATION All rights reserved
SETTING / ADJUSTMENT
4 - 4
4.2
Image Quality Adjustment (Copying Function)
4.2.1
Automatic gamma adjustment
When the reproduction of gradation is not appropriate, the gradation reproducibility can be corrected by
performing this automatic gamma adjustment. In case the gradation reproduction of the image checked
is not satisfactory, make this adjustment as described below at parts replacement.
When unpacking or any of the following parts has been replaced, be sure to make this adjustment:
• Drum unit
• Transfer belt unit
• SRAM board (SYS board)
• PU board
• HDD
Notes:
Be sure that this adjustment be made after performing the image adjustment in
Image Dimensional Adjustment".
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
Adjustment Mode
(2) Select the A4/LT drawer. Key in the pattern number and press the [FAX] button to output a “Patch
chart for gamma adjustment”.
<Adjustment Mode (05)>
(3) Place the patch chart for adjustment printed in step (2) face down on the original glass.
Place the chart aligning its side with a black square against the original scale.
(4) Key in a code and press the [START] button.
The scanner reads the chart automatically and performs automatic gamma adjustment
calculation (approx.30 sec.).
<Adjustment Mode (05)>
(5) When the adjustment has finished normally, press the [OK] button to have the adjustment results
reflected.
(To cancel the reflection of adjustment results, press the [CANCEL] button.)
In the case of an abnormal ending, “ADJUSTMENT ERROR” is shown.
Press the [CANCEL] button to clear the error display. When it is cleared, the control panel display
will return to the ready state. Then, check if the patch chart on the original glass is placed in the
wrong direction or if it is placed inclined on the original glass, and then repeat step (3) and
afterward.
Pattern No.
Pattern No.
Remark
Paper type
10
Black
When performing code 05-7165
All paper types
Code
Item to be adjusted
Contents
7165
Automatic gamma
adjustment
When the reproduction of gradation is not appropriate, the gradation
reproducibility can be corrected by performing this automatic gamma
adjustment. The result of 7165 is applied to all paper types.
Содержание e-Studio477s
Страница 6: ......
Страница 10: ......
Страница 24: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved DISASSEMBLY AND REPLACEMENT 2 6 ...
Страница 214: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved ERROR CODE AND TROUBLESHOOTING 5 110 ...
Страница 288: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved REMOTE SERVICE 7 42 ...
Страница 318: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved FIRMWARE UPDATING 8 30 ...
Страница 332: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved BACKUP FUNCTION 9 14 ...
Страница 338: ...e STUDIO477S 527S 477SL 2013 2016 TOSHIBA TEC CORPORATION All rights reserved EXTERNAL COUNTERS 10 6 ...
Страница 437: ...Maintenance Utility Operating Manual 42678819FU02 1 38 Maintenance Utility Operating Manual Version 1 1 ...
Страница 480: ......
Страница 481: ......
Страница 482: ...1 11 1 OSAKI SHINAGAWA KU TOKYO 141 8562 JAPAN ...