Copy speed
Multi-copy
28 ppm
Continuous copy (ADF)
17.8 ppm
Fax (DNF model only)
Supported communications lines
PSTN (subscriber lines)
PBX (independent premises internal lines)
Communication speed
33600/ 31200/ 28800/ 26400/ 24000/ 21600/ 19200/ 16800/ 14400/
12000/ 9600/ 7200/ 4800/ 2400 bps
Protocol
G3, G3ECM
Transmission and reception mode
Transmits and receives 1 bit monochrome
Image compression method
MH, MR, MMR
Transmission and reception of scanning line
density
8
×
15.4, 8
×
7.7. 8
×
3.85 dot/mm
Document size
Document table
8.5
×
14 inch (Maximum paper size)
Auto Document Feeder
A4, Letter, Legal
Print paper size
A3, A4, B4, B5, Letter, Legal
Duplex Unit
Paper size:
A4, Letter (LT)
Paper weight:
60 to 105 g/m2 (16 to 28 lb)
Paper feed:
Automatic feed delivery system
Paper types:
Plain paper
Environmental
Temperature:
In use:
10 to 32.5˚C (50 to 90˚F)
Not in use:
0 to 35˚C (32 to 95˚F)
Epson AcuLaser MX21/MX20 Series User's Guide
Technical Specifications
276