Lexmark 4I3 - Manual (Page 73)

Unloading Forms
To unload forms from the F1 forms device, follow these steps:
1. Press Stop.
The printer displays
2. Open the acoustic cover.
3. Grasp the form below the printer and tear along the perforation.
4. Press Form Feed as many times as needed to advance and
remove the remaining form or forms.
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Chapter 1. Setting Up the 4230 Printer 1-51