Lexmark 4227 - Manual (Page 32)

Chapter 2: Features and Functions
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Features and Functions
Multiple-part
Forms Printing 6-part forms (carbon and carbonless)
Code Pages Your printer supports the following code pages: 437, 437G, 813,
850, 851, 853T, 857, 860, 861, 863, 865, 869, 920, 1004, and 1053.
Software
Compatibility Compatible with all IBM and IBM-compatible computers.
Interface
Connection For Parallel, RS-422, and RS-232 cables
AutoGap When AutoGap is set to On, the printer automatically adjusts to
the thickness of the paper you are using.
Feature Function