Motor; Print Head - Acroprint ES700 Service Manual

7-10. Motor

The CR motor CCW to cause the Cam to rotate, allowing the Print Head to move.
The motor operation mode is controlled by CR0 (P30) and CR 1 (P31).
Operation mode CR0
Stand-by
CW
CCW
Brake

7-11. Print Head

A pin will impact when PIN1-9 (P20, P80-83, P90-93) is set to "H".
The record is printed when the Print Head is moving to the front.
Driving voltage: 9.5V±10%
Print Head pin impact time: 380µs, 400µs, 420µs (Variable)
Printing method
Ribbon life
Character dot composition
Print Head life
CR1
L L
H L
L H
H H
Impact serial dot matrix
Violet, over 0.51 million characters or 1 year:
provided the ribbon is used at normal temperature and humidity
within 1 year from the date of manufacture.
9 dots (H) x 7 dots (W)
Over 2.8 million characters
7-7