Lexmark MX421 User Manual

Paper type Standard
550‑sheet
tray
Optional
250‑ or
550‑sheet
tray
Multipurpose
feeder
Two‑sided
printing
ADF Scanner glass
Heavy paper
2
Rough/Cotton
Envelope X X XX
Rough envelope X X XX
1
One‑sided paper labels designed for laser printers are supported for occasional use. It is recommended to print
20 or fewer pages of paper labels per month. Vinyl, pharmacy, and two‑sided labels are not supported.
2
Bond and Heavy paper are supported in two‑sided printing up to 90‑g/m
2
(24‑lb) paper weight.
Supported paper weights
Paper type Tray Multipurpose feeder ADF Two‑sided printing
Plain Paper
60–120 g/m
2
(16–32 lb)
60–216 g/m
2
(16–58 lb)
Standard‑sized paper:
52–120 g/m
2
(14–32 lb)
Universal‑sized media:
60–90 g/m
2
(16–24 lb)
60–90 g/m
2
(16–24 lb)
Card Stock N/A
60–216 g/m
2
(16–58 lb)
52–120 g/m
2
(14–32 lb)
N/A
Transparency
60–120 g/m
2
(16–32 lb)
60–216 g/m
2
(16–58 lb)
N/A N/A
Labels*
60–120 g/m
2
(16–32 lb)
60–216 g/m
2
(16–58 lb)
N/A N/A
Envelopes N/A N/A
60–216 g/m
2
(16–58 lb)
N/A
* One‑sided paper labels designed for laser printers are supported for occasional use. It is recommended to print
20 or fewer pages of paper labels per month. Vinyl, pharmacy, and two‑sided labels are not supported.
Paper support 35

Lexmark MX421 Specifications

General

Print Technology	Laser
Print Speed	Up to 42 ppm
Duplex Printing	Yes
Scan Function	Yes
Copy Function	Yes
Fax Function	Yes
Connectivity	USB, Ethernet, Wi-Fi
Scanner Type	Flatbed, ADF
Memory	512 MB
Copy Speed	Up to 42 cpm
Copy Resolution	600 x 600 dpi
Fax Modem Speed	33.6 Kbps
Mobile Printing	Yes
Operating System Compatibility	Windows, Mac, Linux
Paper Input Capacity	350 sheets
Scan Resolution	600 x 600 dpi
Processor	1.0 GHz
Maximum Paper Size	A4
Print Resolution	1200 x 1200 dpi