Apple 12/640PS manual Average number of prints between failure is 180,000 pages

Speed

mSimplex—12 pages per minute maximum using A4-size paper. Actual speed depends on the images printed.

mDuplex—8 pages per minute maximum using U.S. letter-size paper. Actual speed depends on the images printed.

Printer reliability (MTBF)

mAverage number of prints between failure is 180,000 pages.

Toner cartridge life expectancy

mLife expectancy is 6,000 pages when printing text documents with average page coverage (5% black). An example of a 5% black page coverage is a page consisting of double-spaced 14-point courier type. Printing images and other graphics may impact toner cartridge life expectancy.

Printing materials

16- to 28-pound laser-quality bond (60 to 90 g/m2); up to 50-pound (190 g/m2) stock when fed manually through the multipurpose tray and exited through the face-up output tray. Accepts most textured and colored stock. Accepts medium-weight photocopier transparencies and labels. Envelopes can be printed from the multipurpose tray or from the optional envelope feeder.

The paper used should not scorch, melt, transfer material, or release hazardous emissions when heated to 200° C (393° F) for 0.1 seconds.

Paper sizes and capacity

Supports U.S. letter, A4, B5, executive, and legal in the standard paper cassette. The paper cassette holds 250 sheets of 20-pound (75 g/m2) paper. The multipurpose tray can hold up to 80 sheets of standard U.S. letter paper, and other paper sizes from postcard up to U.S. legal. An optional 500-sheet cassette is available that supports letter, A4, and U.S. legal-paper sizes. An envelope feeder that can automatically feed up to 50 envelopes is also available.

348Appendix D