Minolta Di620, Manual, Page: 145 / 466

M-126
1155SBM2002A
20-2. Turnover Control
●
The Turnover Motor is a step motor. Forward rotation transports paper downward,
while reverse rotation transports paper towards the lower-paper-exit tray/duplex unit
side.
●
The Turnover Feed Entry Sensor controls the timing of the Turnover Motor forward/
reverse switching. For the first sheet of paper, the Turnover Motor direction is
switched a specified interval after the sheet passes the Turnover Feed Entry Sen-
sor. (Specifically, the direction is switched at the point where the trailing edge of the
sheet moves beyond the turnover film.)
●
For subsequent sheets, the Turnover Motor direction is switched a specified interval
after the Turnover Feed Entry Sensor detects the sheet's leading edge.
●
In the event of a jam anywhere in the copier, the Turnover Feed Jam Sensor detects
sheets that are left in the turnover section of the copier.
= If Turnover Roller is separated from drive roller =
= If Turnover Roller is engaged with drive roller =
CONTROL SIGNAL UNBLOCKED BLOCKED WIRING DIAGRAM
PC11 PJ6B-14B L H E-1
PC57 PJ6B-11B L H F-1
CONTROL SIGNAL ON OFF WIRING DIAGRAM
M6
PJ9B-6~9B Pulse Output G-1
T1: 430msec T2: 570msec
*Brake Time: 50ms
1155T34MCB
Turnover Motor
(M6)
Forward
Brake
Reverse
Turnover Feed
Entry Sensor
(PC11)
T1
L
H
First sheet Second sheet
T1
T2
1155T35MCB
T1: 430msec T2: 25msec
*Brake Time: 50ms
Turnover Motor
(M6)
Forward
Brake
Reverse
Turnover Feed
Entry Sensor
(PC11)
T1
L
H
First sheet Second sheet
T1
T2