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24 ML3320/21
Reliability
Parameter Reliability
Mean Time Between Failures 10,000 hours at 25% duty
(MTBF) cycle and 35% page density
Mean Time to Repair 15 minutes
(MTTR)
Printhead Life 200 million characters
average in 10 cpi draft mode
at 25% duty and 35% page
density
Ribbon Life (on average, 3 million characters
10 cpi utility)
Paper Width Minimum: 76.2mm (3")
Maximum, ML3320: 254mm (10")
Maximum, ML3321: 406.4mm (16")
Paper Weight 45 to 90 g/m² (12 to 24 lb.)
Paper Thickness Rear Feed: 0.36mm (0.014") max.
Bottom Feed: 0.44mm (0.017") max.
Paper Specifications
Paper Type Feed Weight Width Range
Cut sheets Top Only 58 - 90 g/m² ML3320: 182.9-215.9
(14 - 24 lb.) (7.2" - 8.5")
ML3321: 182.9 - 363.2mm
(7.2 - 14.3")
Single-part Rear, 45 - 90 g/m² ML3320: 76.2-254mm
continuous Bottom (12-24 lb.) (3" - 10")
forms ML3321: 76.2-406.4mm
(3" - 16")
Carbonless Rear, 34 - 41 g/m² ML3320: 76.2-254mm
continuous Bottom (9 - 11 lb.) (3" - 10")
forms ML3321: 76.2-406.4
(3" - 16")
Interleaf Rear, Paper 38 - 45 g/m² ML3320: 76.2-254mm
continuous Bottom (10 - 12 lb.) (76.2 - 254mm)
forms Carbon 34 g/m² ML3321: 76.2-406.4mm
(9 lb.) (3" - 16")
Labels Bottom ML3320: 3" - 10"
Only (76.2 - 254mm)
ML3321: 3" - 16"
(76.2 - 406.4mm)
3320hlp3v2.pm6 07/01/97, 13:4224