Specifications

2–22
Principles of Operation
MECHANISM DRIVER BOARD
FAULT
CIRCUITS
LOGIC
8032
RIBBON
&
SHUTTLE
DRIVE
PAPER
TRANSPORT
DRIVE
HAMMER
DRIVER
LOGIC
HAMMER
DRIVERS
1–40
HAMMER
DRIVERS
41–88
HAMMER DRIVE BOARD
To
Coils
41–88
To
CCB
To
Coils
1–40
PAPER FEED CONTROL
PLATEN OPEN CONTROL
RIBBON CONTROL & STATUS
SHUTTLE DRIVE & MPU
Figure 2–14. Operational Overview of the Mechanism Driver Board