Lexmark 4I3 - Manual (Page 53)

7. To adjust the forms tension:
a. Open the front paper door as follows:
1) Pull the door up until it will not go any higher.
2) Push the door back slightly to lock it in the open position.
P a p e r D o o r
b. Move the blue forms tension knob upward to the number
of form copies you are using. Make sure you do not unlatch
the forms device. For example, if you are using single-part
forms, set the lever to 1. If you are using two-part forms, set
the lever to 2.
Tighten the blue forms tension knob by turning it
clockwise. Close the paper door by pulling it out and
pushing it down until it latches.
B lu e F o r m s
Te n s i o n K n o b
Chapter 1. Setting Up the 4230 Printer 1-31