HP 97 calculator printer issues

[isanchez]

(03-09-2022 05:43 PM)isanchez Wrote:  

(03-08-2022 04:20 PM)AndiGer Wrote:  Refer to the service manual. Table 4-7 contains selectable resistors R7 and R8.
According to the figure 4-20 R7 is for adjusting motor speed, R8 for print intensity. (Pls. don't ask me, whether lower value will increase or decrease intensity :-).

HTH
Andi

thanks||

For darker print, increase
resistance.(Refer to table 4-7)
For lighter print, decrease
resistance. Then go to step
14,