Fold / Delivery System - Panasonic DP-C305 Service Manual
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- Operating instructions manual (112 pages) ,
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- Service handbook (808 pages)
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12.1.2.5.5. Fold / Delivery System
1. Outline
The paper fold mechanism consists of a Guide Plate, Paper Fold Rollers, and a Paper Pushing Plate.
The Guide Plate, Paper Fold Rollers, and Paper Pushing Plate are driven by the Staple/Fold Motor
(M7). The drive force is transferred with a combination of gears and cams. Motor operation is
monitored by the Staple/Fold Motor Lock Sensor (PI14).
Until the paper stack reaches the folding position, the Guide Plate covers the Paper Fold Rollers to act
as a paper path through which a paper stack is fed to the Saddle Unit and to prevent a paper stack
from touching the rollers.
A Folding Home Position Sensor (PI11) is provided to detect the positions of the Paper Fold Rollers
and Paper Pushing Plate.
The paper stack folded in two by the Paper Fold Rollers is delivered by Bind Delivery Rollers.
The Bind Delivery Rollers are also driven by the Staple/Fold Motor (M7).
A Bind Tray Sensor (PI13) is provided on the Bind Tray to detect presence/absence of a paper stack;
however, it is not used to detect a jam.
2. Paper Folding
Paper is folded using paper fold rollers and a paper pushing plate.
Almost concurrently with the start of roller rotation, the Paper Pushing Plate starts operating to push
the paper stack into the gap between the Paper Fold Rollers. When the paper stack is fed about 10 mm
with the rotation of the Paper Fold Rollers, the Paper Pushing Plate returns to the home position. Then,
the paper stack is delivered to the Bind Tray using the Paper Fold Rollers and Bind Delivery Rollers.
Half the entire surface of each paper fold roller is uncovered excluding the central area and the area at
the left and right ends. The uncovered surface of the Upper Paper Fold Roller comes in touch with the
uncovered surface of the Lower Paper Fold Roller only at the center and left and right ends, allowing a
paper stack to be fed without causing creases. The other half of the Upper Paper Fold Roller that is
covered comes in touch with the other half of the Lower Paper Fold Roller that is also covered, allowing
a paper stack to be folded while being fed.
Ver. 1.1
Cam
Paper stack
Paper Fold Roller (Upper)
Staple/Fold
M7
Motor
Paper Fold Roller (Lower)
Sensor Flag
Folding Home Position Sensor (PI11)
Paper Pushing Plate
Fig. 2-043
792
DP-C405/C305/C265
FEB 2008
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