Punching Mechanism - Panasonic FP-D250 Series Manual

2.3 Punching Mechanism

Cam Lifter
Cam
Punch Clutch (CL2)
2-3-1. Paper transport stop mechanism
Stop the paper momentarily at the punching position.
Process
The front end of the paper transported into FA-F320 passes through the paper
feed sensor.
• Punch registration clutch is turned ON.
When the normal close type CL1 is turned ON, the driving force to registration
roller is cut off, stopping the paper at registration roller.
• Papers are transported from the printer continuously. The lead edge of paper
is pressed against nip of the registration roller, which allows positioning of
each paper. The guide plate equipped with a spring moves downward to
compensate for the paper loop created during this process.
• The front end of the paper is punched by punch unit.
• CL1 is turned OFF, driving force is transmitted to the registration roller, and
the paper is transported.
2-4
Drive Shaft
Punch Bar
Paper Feed
Sensor
Registration Roller
Registration roller
Bearing
A
B
Punch Registration
Clutch (CL1)