Notes:
l The use of 24 lb paper is only available at normal temperature.
l Printing past the edge of envelopes, multi-part forms, labels,
or paper that is thicker than normal can damage the print
head.
l Labels with a pressure sensitive covering, either glued or
tacked onto the backing sheet, can be printed under the
conditions listed below.
— The total thickness may not exceed 0.0118 inch (0.3 mm).
—
The temperature range is between 40°F and 95°F
(5°C to 35°C).
—
The relative humidity is between 10 and 80 percent.
Mechanical
Ribbon: Black ribbon cartridge #7753/#7754:
Life expectancy (in Letter Quality
characters, at 48 dots/character)
2 million characters
Film ribbon cartridge #7768/#7770:
Life expectancy (in Letter Quality
characters, at 48 dots/character)
0.2 million characters
MCBF: For all components excluding print head:
3,000,000 lines
MTBF:
Standard width printer:
4000 power-on hours (at 25% duty)
Wide carriage printer:
6000 power-on hours (at 25% duty)
Print head life: 200 million strokes per wire
(with fabric ribbon)
Technical Specifications 8-7