Ricoh C231 Service Manual page 416

MAIN MENU NO.6: ADJUSTMENT
5.7.7 SP6-27: PRESS ROLLER BUCKLE
Purpose: To adjust doubled [C] or blurred [D] images (e.g. bold lines, text) for each
printing speed (15, 30, 60, 75, 90,105, and 120 rpm), by changing SP settings.
1. Set SP2-24 (Slow starting mode) to a value of "2" (print from 15 rpm).
2. Set SP8-10 (Test patterns) to a value of "6", then press the Start key.
Make 6 copies at speed 5 (finishing with 120 rpm). Perform the adjustment
3.
below for all 6 copies.
Trial print: 15 rpm
1st print: 30 rpm
2nd print: 60 rpm
3rd print: 75 rpm
4th print: 90 rpm
5th print: 105 rpm
6th print: 120 rpm
4. Check the area from the leading edge to about 30mm down for any doubled or
blurred images.
5. If any are present, access SP6-27. The zoom counter displays the printing
speed. If the I/O ROM is not version C2385124-G or newer, the zoom counter
displays "SP6", and cannot be adjusted.
6. Input a value to adjust the blurred or doubled image (range: 0 to 100, step:
0.01).
Higher values [E]: Blurred images improve; doubled images tend to be more
noticeable.
Lower values [F]: Doubled images improve; blurred images tend to be more
noticeable.
7. Press the Enter key twice, which will change the zoom counter [A] to the next
printing speed. Then repeat Steps 4 thru 6 for each of the other five copy
samples (i.e. 30, 60, 75, 90, 105, and 120 rpm samples).
8. Perform the adjustment again where necessary.
9. Return SP2-24 (Slow starting mode) to the value it was at before adjusting.
C231/C237/C238
[C]
[D]
C238A082.WMF
5-18
Rev. 12/2004
[E]
[F]
C238A062.WMF
SM