Copy Mode
- KCMY Color Balance Adjustment -
The adjustment uses only "Offset" values.
Never change "Option" values (default value is 0).
Highlight (Low ID) |
Levels 2 through 5 in the C4 chart 10-level scale |
Middle (Middle ID) |
Levels 3 through 7 in the C4 chart 10-level scale |
Shadow (High ID) |
Levels 6 through 9 in the C4 chart 10-level scale |
ID max |
Level 10 in the C4 chart 10-level scale (affects the entire image density.) |
Offset |
The higher the number in the range associated with the low ID, middle ID, high ID, and ID max, the greater the density. |
There are four adjustable modes (can be adjusted with SP4-918-009):
Copy Photo mode
Copy Letter mode
Copy Letter (Single Color) mode
Copy Photo (Single Color) mode
- Adjustment Procedure -
Copy the C-4 chart in the mode that you want to adjust.
Enter the SP mode.
Select "System SP."
Select SP4-918-009.
Adjust the offset values until the copy quality conforms to the standard (see the table below).
1. Never change "Option" value (default value is "0").
2. Adjust the density in this order: "ID Max", "Middle", "Shadow", "Highlight".
- Photo Mode, Full Color -
Item to Adjust |
Level on the C-4 chart |
Adjustment Standard |
|
1 |
ID max: (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. |
2 |
Middle (Middle ID) (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 6 matches that of level 6 on the C-4 chart. |
3 |
Shadow (High ID) (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 8 matches that of level 8 on the C-4 chart. |
4 |
Highlight (Low ID) (K, C, M, and Y) |
|
Adjust the offset value so that dirty background does not show on the copy and the density of level 3 is slightly lighter than that of level 3 on the C-4 chart. |
5 |
K Highlight (Low ID) (C,M, and Y) <on the full color copy> |
|
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, do steps 1 to 4 again. |
- Photo Mode, Single Color -
Item to Adjust |
Level on the C-4 chart |
Adjustment Standard |
|
1 |
ID max: (K) |
|
Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. |
2 |
Middle (Middle ID) (K) |
|
Adjust the offset value so that the density of level 6 matches that of level 6 on the C-4 chart. |
3 |
Shadow (High ID) (K) |
|
Adjust the offset value so that the density of level 8 matches that of level 8 on the C-4 chart. |
4 |
Highlight (Low ID) (K) |
|
Adjust the offset value so that dirty background does not show on the copy and the density of level 3 is slightly lighter than that of level 3 on the C-4 chart. |
- Text (Letter) Mode, Full Color -
Item to Adjust |
Level on the C-4 chart (K) |
Adjustment Standard |
|
1 |
ID max: (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. |
2 |
Middle (Middle ID) (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 6 matches that of level 6 on the C-4 chart. |
3 |
Shadow (High ID) (K, C, M, and Y) |
|
Adjust the offset value so that the density of level 8 matches that of level 8 on the C-4 chart. |
4 |
Highlight (Low ID) (K, C, M, and Y) |
|
Adjust the offset value so that dirty background does not show on the copy and the density of level 3 is slightly lighter than that of level 3 on the C-4 chart. |
- Text (Letter) Mode, Single Color -
Item to Adjust |
Level on the C-4 chart (K) |
Adjustment Standard |
|
1 |
ID max: (K) |
|
Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. |
2 |
Middle (Middle ID) (K) |
|
Adjust the offset value so that the density of level 6 matches that of level 6 on the C-4 chart. |
3 |
Shadow (High ID) (K) |
|
Adjust the offset value so that the density of level 8 matches that of level 8 on the C-4 chart. |
4 |
Highlight (Low ID) (K) |
|
Adjust the offset value so that dirty background does not show on the copy and the density of level 3 is slightly lighter than that of level 3 on the C-4 chart. |
Text parts of the test pattern cannot be printed clearly after you adjust "shadow" as shown above. At this time, check if the 5 line/mm pattern at each corner is printed clearly. If it is not, adjust the offset value of "shadow" again until it is.
