60
R-1
Reliability
Mean Time Between
Failures (MTBF): 6000 hours at 25% duty cycle and 35% page density
Mean Time to Repair (MTTR): 15 minutes
Printhead life: 200 million characters average in 10 cpi utility mode at 25% duty and
35% page density
Ribbon Life black ribbon: 4 million characters
(on average, 10 cpi utility): color ribbon: black = 1.5 million characters
cyan = 1.5 million characters
magenta = 1.5 million characters
yellow = 0.8 million characters
Paper Specifications
Width, Minimum: 3"
Width, Maximum: Model 590: 10"
Model 591: 16"
Weight: 12 to 24 lb.
Thickness, Rear feed: 0.014" (0.36 mm)
Thickness, Bottom feed: 0.017" (0.44:mm)
Dimensions (W x D x H)
Model 590: 17 x 15 x 6.5 inches (431 x 380 x 166 mm)
Model 591: 23 x 15 x 6.5 inches (585 x 380 x 166 mm)
Weight
Model 590: 16.5 lb. (7.5 kg)
Model 591: 19 lb., 13 oz. (9 kg)
Environmental Requirements
Operating Temperature: 41 to 104°F (5 to 40°C)
Storage Temperature: 14 to 122°F (-10 to +50°C)
Operating Humidity: 20 to 80% RH
Storage Humidity: 5 to 95% RH
Electrical requirements 120 volts ac (+5.5%, -15%), 50 or 60 Hz (±2%)
Also available for 230/240 volts ac (+10%, -14%), 50 or 60 Hz (±2%)
Specifications subject to change without notice.
Paper type Feed Weight Width range
Cut sheets Top only 14 to 24 lb. ML 590: 7.2" to 8.5"
ML 591: 7.2" to 14.3"
Single-part continuous forms Rear, Bottom 12 to 24 lb. ML 590: 3" to 10"
ML 591: 3" to 16"
Carbonless, multi-part continuous
form (original + 4 copies)
Rear, Bottom 9 to 11 lb. ML 590: 3" to 10"
ML 591: 3" to 16"
Interleaf, multi-part continuous
forms (original + 4 copies)
Rear, Bottom 10- to 12- lb. paper,
9- lb. carbon
ML 590: 3" to 10"
ML 591: 3" to 16"
Labels Bottom only N.A. ML 590: 3" to 10"
ML 591: 3" to 16"
Envelopes, single feed Top 24 lb. max. 6.5" to 9.5"
Envelopes, continuous feed,
non-overlap type
Rear, Bottom 24 lb. max. 6.5" to 9.5"
Card stock Bottom only 120 lb. max. ML 590: size 5" x 8"
ML 591: size 5" x 14"
Transparencies Top only 8.5" x 11"
