Print Compensation Control

The print compensation can be made as shown below:

(a)Voltage compensation (See 2.1.8 “Alarm Circuit.”)

(b)Temperature compensation (See 2.1.8 “Alarm Circuit.”)

(c)Pin stroke compensation

Platen

Pin coil current

Pin 1, 2

3~6

8, 9

Pin 1, 2, 8, 9

Print Head

As shown in the drawing left, the stroke length up to the platen is different for each pin.

Pin 3~6

Time

(d)Simultaneous Compensation of the number of impact pins

The MPU is provided with the compensation table for each pin to make necessary compensation.

Number of impact pins

Few

 

Many

 

 

 

 

 

Drive time

Short

 

Long

 

 

 

 

 

2 – 10

Page 19
Image 19
Oki 3320, 3321 specifications Platen Pin coil current Pin 1 Pin 1, 2, 8 Print Head