Punch Unit - Xerox Paser 7400 Service Manual

Punch Unit

The Punch Unit punches holes in sheets coming from the printer. It provides for
2-hole, 3-hole, and 4-hole punching. The unit installs into the pickup assembly of the
finisher. Since the punch unit is not equipped with a paper feeding mechanism, the
sheets from the printer move through the punch unit and feed system of the finisher. If
the punch feature has been selected, when the trailing edge of a sheet from the printer
reaches the punch unit, the sheet stops while the punch shaft rotates to punch a hole
along the trailing edge. This operation is controlled through various commands from
the Finisher Controller Board and the Punch Controller Board.
2-4
Punch Controller PCB
Phaser 7400 Color Printer Options Service Manual
Punch Drive System
Horizontal Registration
Drive System
s7400-151