Toshiba e-studio 151, Service Manual

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e-STUDIO162/162D/151/151D ADJUSTMENTS 9 - 4
C. Necessary tool for copy density adjustment
• One of the following test charts:
KODAK GRAY SCALE
• B4 (14" x 8 1/2") white paper
• The user program AE setting should be "3."
Test chart comparison table
D. Features of copy density adjustment
For the copy density adjustment, the image data shift function provided
in the image process LSI is used.
List of the adjustment modes
E. Copy density adjustment procedure
The copy density can be adjusted in 300dpi or in 600dpi.
For selection of modes, use the copy mode select key.
(1) Test chart (UKOG-0162FCZZ) setting
1) Place the test chart so that its edge is aligned with the A4 (Letter)
reference line on the document table. Then place a A4 (14" x
8 1/2") white paper on the test chart and close the document cover.
(2) Perform the adjustment in each mode.
1) Execute TC 46-01 (300dpi). To adjust in 600dpi, execute TC 46-
02.
2) Select the mode to be adjusted with the exposure mode select key.
Set the exposure level to 3 (center) for all adjustment. (Except for
the auto mode.)
(e-STUDIO151/151D (Europe))
(e-STUDIO162/162D)
3) Make a copy.
Check the adjustment level (shown in the above table) of the
exposure test chart (TOSHIBA Gray Scale).
(When too bright): Decrease the value displayed on the copy quantity
display.
(When too dark): Increase the value displayed on the copy quantity
display.
* The value can be set in the range of 1 - 99.
KODAK
GRAY
SCALE
1 2 3 4 19 A
Auto Mode Brightness 1 step only
Manual Mode Brightness 5 steps. Adjustment of only the center
brightness is made.
Photo Mode Brightness 5 steps. Adjustment of only the center
brightness is made.
Manual T/S
mode Brightness 5 steps. Adjustment of only the center
brightness is made.
T/S Auto mode Brightness 1 step only
Main code Sub code Resolution for copy density adjustment
46
01 300dpi
02 600dpi
White paper
Test chart Test chart
Adjustment
mode
Display
item
LED
TOSHIBA gray
chart adjustment
level
Auto mode AE COPY mode lamp "3" is slightly
copied.
Text mode TEXT PRINT mode lamp "3" is slightly
copied.
Photo mode PHOTO SCAN mode lamp "3" is slightly
copied.
Text T/S mode TSTXT PRINT mode lamp
SCAN mode lamp "3" is slightly
copied.
Auto T/S mode TSAE COPY mode lamp
SCAN mode lamp "3" is slightly
copied.
(2) Mode select key
TEXT
| | | | |
(1) Exposure mode, level display
1 1 2
2 2
2 1 1
1,2,3,
1,2,3,
SP. FUNC
AUTO
ZOOM
OK
(2) Mode select key
TEXT
| | | | |
(1) Exposure mode, level display
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