Notes:

The use of 24 lb paper is only available at normal temperature.

Printing past the edge of envelopes, multi-part forms, labels, or paper that is thicker than normal can damage the print head.

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