Lexmark MX721 User Manual page 41

Paper support
Paper type and weight
Transparency
²
138–146 g/m grain long
(37–39‑lb bond)
Paper labels
²
180 g/m (48‑lb bond)
2
Integrated forms
²
140–175 g/m (37–47‑lb
bond)
Integrated forms
²
75–135 g/m (20–36‑lb
bond)
3
Envelopes
²
60–105 g/m (16–28‑lb
bond)
1
Grain short is preferred for paper over 176 g/m
2
Pressure‑sensitive area must enter the printer first.
3
28‑lb bond envelopes are limited to 25% cotton content.
Standard Optional
550‑sheet 2100‑sheet
tray, optional tray
250‑ or
550‑sheet tray
²
(47 lb).
Multipurpose feeder
X
X
X
X
X
41
Two‑sided printing
X