Table of Contents
Advertisement
7.7.
STEPPING MOTOR DRIVE SECTION
7.7.1.
ENGINE MOTOR DRIVE CIRCUIT
1. Functions
This motor functions for main operations FAX reception and copy printing.
This feed recording paper synchronized for printing.
2. Motor operation
Excitation pulses is output from G/A (IC605) pins 83, 84, 85 and 86. Then stepping pulses are output from driver IC (IC609) pin
No 2, 7, 8 and 13, and drives the motor coil.
During motor driving, pin 90 of G/A IC605 becomes a low level.
As a result, a current of about 1A are supplied to the motor coil.
7.7.1.1.
TIMING CHART
DRIVE MODE
FUNCTION
PRINT
MODE
PHASE PATTERN
-
2 phase
167
SPEED
CURRENT
951pps
1A
KX-FL513RU
Advertisement
Table of Contents
Troubleshooting
