M720 (Folding Conveyance) Control - Konica Minolta FS-110 Service Manual

FS-110/FS-210

[4] M720 (folding conveyance) Control

M720 (folding conveyance) operates the folding
roller(s), which rotates the three-folding roller.
The FNS CB (FNS control board) controls the
operation of M720.
The related signals are PS722 (folding knife HP),
PS725 (folding paper exit), and PS726 (folding
passage).
1. Operation
PS726 (folding passage) detects the paper and
the booklet stopper stops at the folding position.
After a predefined time period has elapsed since
then, M719 (folding knife) is activated. When
PS722 (folding knife HP) detects the paper,
M720 (folding conveyance) is activated to fold
the paper with the folding roller(s) and the three-
folding roller. The folded paper is delivered to the
booklet tray.
When PS725 (folding paper exit) has detected
the trailing edge of the paper and a predefined
time period has elapsed since then, M720 stops.
M720 BLK
M720 CONT
M720 CLK
M720 PLL
M720 F/R
PS722 IN
PS725 IN
PS726 IN
MAIN BODY FNS CB
M720 BLK
M720 CONT
M720 CLK
M720 PLL
M720 F/R
24V 24V
24V
PGND
PGND
SGND
5V
PS722 IN
GND
5V
PS725 IN
GND
5V
PS726 IN
GND
RB
2. Signals
a. FNS CB input signals
(1) M720 PLL (M720 to RB to FNS CB)
Signal for monitoring the rotation of M720
[L]: M720 is rotating as a specified speed
[H]: M720 is not rotating as a specified speed
b. FNS CB output signals
(1) M720 BLK (FNS CB to RB to M720)
Signal to apply braking to the M720
[L]: Braking ON
[H]: Braking OFF
(2) M720 CONT (FNS CB to RB to M720)
Signal to drive/control M720
[L]: M720 ON
[H]: M720 OFF
(3) M720 CLK (FNS CB to RB to M720)
Signal relating to the clock for controlling the
rotation speed of M720
(4) M720 F/R (FNS CB to RB to M720)
Signal to control the rotation direction of M720
[L]: CW
[H]: CCW
2-38
M720
PS722
PS725
PS726