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Service Guide ML320/ML321
Chapter 1 Product Specifications
1.2
PRODUCT SPECIFICATIONS
1.2.01 Print Method
Impact Dot Matrix
Number of Print Wires: 9
Print Wire Diameter: .013 inch (.34 mm)
1.2.02 Print Modes
Revs A, B, and C
High Speed Draft (HSD)
Utility
Near Letter Quality (NLQ)
Rev D
Super Speed Draft (SSD)
High Speed Draft (HSD)
Utility
Near Letter Quality (NLQ)
1.2.03 Character Pitches
10 CPI
12 CPI
17.1 CPI
20 CPI
Proportional (not available in High Speed Draft mode)
1.2.04 Character Sets
Standard (Microline) Version
Standard ASCII
IBM Line Graphics
Down-Line Loadable (DLL)
Block Graphics
Epson/IBM Version
Character Set I
Character Set II
DLL (not available through Menu)
NOTES:
Characters Per Inch = cpi
Characters Per Second = cps
Dots Per Inch = dpi
Character Sets are selected through the Menu
1.2.05 Print Speed
NOTE: Super Speed Draft (SSD) is available ONLY with Rev D units.
Character Pitch
