GPX X642 User Manual
100
Integrated forms
Pressure-
sensitive area
(must enter the
MFP first)
sensitive area
(must enter the
MFP first)
140 to 175 g/m
2
140 to 175 g/m
2
Paper base
(grain long)
(grain long)
75 to 135 g/m
2
(20 to 36 lb bond)
75 to 135 g/m
2
(20 to 36 lb bond)
Envelopes
100% cotton content
maximum
weight—24 lb
100% cotton content
maximum
weight—24 lb
Sulfite, wood-
free, or up to
100% cotton
bonds
free, or up to
100% cotton
bonds
Not recommended
60 to 105 g/m
2
(16 to 28 lb bond)
2, 3
60 to 105 g/m
2
(16 to 28 lb bond)
3
Note: 28 lb envelopes are limited to 25%
cotton content.
cotton content.
Print media weights(continued)
Print media
Type
Print media weight
Integrated tray and
optional
500-sheet drawer
optional
500-sheet drawer
Multipurpose
feeder and optional
250-sheet drawer
feeder and optional
250-sheet drawer
Envelope feeder
1
Grain short is preferred for papers over 135 g/m
2
.
2
Includes envelopes fed from the multipurpose feeder only.
3
28 lb bond envelopes are limited to 25% cotton content.
4
Printing label applications on the MFP requires a special label fuser cleaner. See Ordering supplies for
more information on obtaining a fuser cleaner.
5
Information on whether your vinyl label converter has passed Lexmark criteria is available at the Lexmark
Web site (www.lexmark.com); search for “converter list.” You can also check the Lexmark Automated Fax
system (LEXFAX
system (LEXFAX
SM
).