Toshiba e-STUDIO4500c Service Manual page 373

IMAGE ADJUSTMENTS
Adjustment Procedure
1. Copy the C-4 chart in mode that you want to adjust.
2. Enter the SP mode.
3. Press "Copy SP."
4. Open SP4918 009.
5. Adjust the offset values until the copy quality conforms to the standard. (Refer
the tables below.)
Important
Never change "Option" value (default value is 0).
Always adjust the density in order: ID Max
- Photo Mode, Full Color -
Step Item to Adjust
ID max:
1 (K, C, M, and Y)
Middle (Middle ID)
2 (K, C, M, and Y)
Shadow (High ID)
3 (K, C, M, and Y)
Highlight (Low ID)
(K, C, M, and Y)
4
K Highlight (Low ID)
(C,M, and Y)
<on the full color
5
copy>
Level on the C-4 chart
3-186
Middle Shadow
Adjustment Standard
Adjust the offset value so that
the density of level 10 matches
that of level 10 on the C-4 chart.
Adjust the offset value so that
the density of level 6 matches
that of level 6 on the C-4 chart.
Adjust the offset value so that
the density of level 8 matches
that of level 8 on the C-4 chart.
Adjust the offset value so that
dirty background is not visible on
the copy and the density of level
3 is slightly lighter that of level 3
on the C-4 chart.
Adjust the offset value so that
the color balance of black scale
levels 3 through 5 in the copy is
seen as gray (no C, M, or Y
should be visible). If the black
scale contains C, M, or Y, redo
step 1 to 4.
August, 2006
Highlight