User's Guide
Page 76
... T640 T642 T644 X X X X X X X X X X X X X X X X X X X X X Ordering supplies 76 The recommended print cartridges specifically designed for the printer are: Part number Description For the Americas2 Average cartridge yield1 64015SA Return Program Print Cartridge 6,000 standard pages 64015HA High Yield Return..., and New Zealand. Maintaining the printer Ordering supplies To order supplies in the U.S., contact Lexmark at www.lexmark.com, or contact the place where you experience faded print, remove the toner cartridge. Repeat this procedure multiple times...
... T640 T642 T644 X X X X X X X X X X X X X X X X X X X X X Ordering supplies 76 The recommended print cartridges specifically designed for the printer are: Part number Description For the Americas2 Average cartridge yield1 64015SA Return Program Print Cartridge 6,000 standard pages 64015HA High Yield Return..., and New Zealand. Maintaining the printer Ordering supplies To order supplies in the U.S., contact Lexmark at www.lexmark.com, or contact the place where you experience faded print, remove the toner cartridge. Repeat this procedure multiple times...