SP Table
C279 40 SM Appendix
Adjusts doubled [A] or blurred [B] images (e.g. bold lines, text) for each printing speed
(15, 30, 60,75, 90, 105, 130 rpm), by changing SP settings.
1. Set SP2-34 (Printing pressure adjust) to a value of "30 rpm" (print from 30rpm).
2. Set SP8-10 (Test patterns) to a value of "6", then press the Start key.
3. Access SP4-91 (Ink temperature), then check the ink temperature.
4. Make 6 copies at speed 5 (finishing with 130 rpm). Perform the adjustment below for
all 6 copies.
Trial print: 30 rpm -> 1st print: 45 rpm -> 2nd print: 60 rpm ->3rd print: 75 rpm
-> 4th print: 90 rpm -> 5th print: 105 rpm -> 6th print: 130 rpm
When the ink temperature is low (below 15 degrees) or high (28 degrees or above),
you can adjust the machine to make only 6 copies (change SP 8-23 to 'On'). Then,
the 2nd print will not be made, because it is the same speed as the first print.
Trial print: 30 rpm ->1st print: 45 rpm ->2nd print: 45 rpm ->3rd print: 60 rpm
->4th print: 75 rpm ->5th print: 90 rpm ->6th print: 105 rpm ->7th print: 130 rpm
5. Check the area from the leading edge to about 50 to 200 mm down for any doubled
or blurred images.
6. If any are present, access SP6-117 to 123 and then input a value to adjust the
doubled or blurred images (range: -100 to 100, step: 1) for each of 6 copies samples
To adjust the distance for 30 cpm, use SP 6-117.
To adjust the distance for 45 cpm, use SP 6-118.
To adjust the distance for 60 cpm, use SP 6-119.
To adjust the distance for 75 cpm, use SP 6-120.
To adjust the distance for 90 cpm, use SP 6-121.
7. Perform the adjustment again where necessary.
8. Return SP2-34 (Printing pressure adjust) to the value it was at before the
adjustment.
6-124 Paper front bulge: 15rpm
[-90 to 8 / 0 / mm]
6-125 Paper front bulge: 30rpm
6-126 Paper front bulge: 45rpm
6-127 Paper front bulge: 60rpm
6-128 Paper front bulge: 75rpm
6-129 Paper front bulge: 90rpm
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