Parallelogram Image Adjustment - Ricoh Aficio MP2550B Service Manual

Copy Adjustments: Printing/Scanning
2. Check the magnification, and adjust the magnification using SP2-909 if necessary. The
specification is ± 1%.

Parallelogram Image Adjustment

Do the following procedure if a parallelogram is printed while adjusting the printing
registration or the printing margin using a trimming area pattern.
The following procedure should be done after adjusting the side-to-side
registration for each paper tray station.
1. Check whether the trimming area pattern (SP2-902, No.10) is printed as a
parallelogram, as shown. If it is, do the following.
2. Remove the laser unit [A] (see 'Laser Unit').
3. Remove the bracket [B] (
4. Install the adjusting cam [C] (P/N: A2309003).
5. Secure the adjustment bracket [D] (P/N A2679002) using the screw which was used
for bracket [B]. However, do not tighten the screws at this time.
6. Adjusts the laser unit position by turning the adjusting cam. (Refer to the above
illustration for the relationship between the image and the cam rotation direction).
7. Tighten the adjustment bracket.
8. Print the trimming area pattern to check the image. If it is still unsatisfactory, repeat
steps 4 to 8.
D017/D018/D019/D020
x2).
3-64 SM