About the vacuum, stack height, and puller controls

The Vacuum push button (4), the Vacuum-off warning indicator (5), the Puller lever (6), the Puller Run button (7), and the Stack Height adjustment (3) are on the left side of the input area (autoload bridge (1) and forms guide (2)).

Figure 15. Vacuum, stack height, and puller controls
Infoprint 4100 vacuum, stack height, and puller controls
Selecting This Control Does This:
Vacuum Push Button (4)
vacuum push button
Turns the vacuum on or off in the fuser area.

The vacuum holds the forms against the preheat platen, which partially fuses the toner to the forms. The Vacuum-Off Warning indicator is to the right of the vacuum push button. This indicator comes on to warn you that the forms-path vacuum is off.

Puller Lever, Release (6)
puller lever, release
Releases pressure on the scuff and backup rollers inside the fuser area. To release these rollers, move and hold the puller lever to the release position.
Puller Lever, Printing (6)
puller lever, printing
Applies pressure to the scuff and backup rollers inside the fuser area during the printing process. The lever is spring loaded in this position, so pressure is normally applied to the scuff and backup rollers.
Puller Run button (7)
puller run button
Applies pressure to the scuff and backup rollers inside the fuser area during the printing process. The lever is spring loaded in this position, so pressure is normally applied to the scuff and backup rollers.
Stack Height Adjustment (3)
stack height adjustment
Turns the puller rolls on for five seconds.