Printing Pressure Adjustment - Ricoh DD 4450 Service Manual

4.9.3 PRINTING PRESSURE ADJUSTMENT

Improves print results without decreasing the run length.
Standard: Within 17 +-0.2 mm
Paper delivery unit (

1. Adjust the distance [A] to 17 +-0.2 mm by turning the adjusting bolt [B].
2. Repeat the same procedure for the printing pressure spring at the non-operation side.
This is the adjustment for the standard printing pressure.

If print density is incorrect, you can also adjust printing pressure with SP 2-35 or SP 6-70

to 6-87 ( Appendices – Main SP Tables).
SM
p.4-70 "Paper Delivery ")
4-57
Printing
C279