Rice Lake Okidata 320-390-420 Turbo - Service Guide - Manual (Page 20)

(d) Simultaneous Compensation of the number of impact pins
The MPU is provided with the compensation table for each pin to compensate as necessary.
Number of impact pins Few < ----- > Many
Drive time Short < ------ >Long
(e) Print mode compensation
According to the thickness of the printing medium, the print mode is compensated as shown in the table
below
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