Epson LQ-510X User Manual - Page 199

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: MCBF: MTBF: Print head life: 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 For all components excluding print head: 3,000,000 lines Standard width printer: 4000 power-on hours (at 25% duty) Wide carriage printer: 6000 power-on hours (at 25% duty) 200 million strokes per wire (with fabric ribbon) Technical Specifications 8-7