Canon imageCLASS MF4450 imageCLASS D550 Basic Operation Guide - Page 74

Maintenance Replacing Toner Cartridges Toner cartridges are consumable products. When the toner has almost or completely run out in the middle of operating this machine, a message appears in the display, or the symptoms described below appears. Follow a proper resolution depending on the message or symptom. IMPORTANT About toner cartridges For details on the toner cartridge yields and the procedures for handling toner cartridges and checking the toner level, see the following. About the Supplied Toner Cartridge (ˠP.6-6 ) About Replacement Toner Cartridge (ˠP.6-6 ) Handling Toner Cartridge (ˠP.6-6 ) Using the Toner Saver Mode (ˠP.6-7 ) Purchase Consumables (ˠP.6-12 ) * The yields of the toner cartridges included in this machine differ from those of replacement toner cartridges. If the toner almost runs out, white streaks appear on the printouts or some parts are faded. * No message appears on the display even if the toner almost runs out. Replace the toner cartridge when white streaks appear on the printouts or some parts of the printout are faded. If the above symptoms appear Follow the procedure in the section below before replacing the toner cartridge. You may print for some time, until the toner completely runs out. "Before Replacing the Toner Cartridge" (ˠP.6-8) If print result is not improved If white streaks or faded parts continue to appear after following the procedure in the section above, replace the toner cartridge. "Replacing the Toner Cartridge" (ˠP.6-9) About the Supplied Toner Cartridge The average yield of the included toner cartridge is as follows. Canon Cartridge 128 Starter Average yield*1: 1,000 sheets *1 The average yield is on the basis of "ISO/IEC 19752"*2 when printing A4 size paper with the default print density setting. *2 "ISO/IEC 19752" is the global standard related to "Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components" issued by ISO (International Organization for Standardization). The average yield of the replacement toner cartridge is different from which of the supplied toner cartridge. About Replacement Toner Cartridge Purchase the toner cartridge at your local authorized Canon dealer. Replace the toner cartridge according to the description in the following charts. However, you may need to replace the toner cartridge earlier than the described life time depending on installation environment of the machine, the printing paper size, or the document type. Toner cartridge Canon Cartridge 128 Target for replacing toner cartridge Average yield*1 : 2,100 sheets *1 The average yield is on the basis of "ISO/IEC 19752"*2 when printing A4 size paper with the default print density setting. *2 "ISO/IEC 19752" is the global standard related to "Method for the determination of toner cartridge yield for monochromatic electrophotographic printers and multi-function devices that contain printer components" issued by ISO (International Organization for Standardization). IMPORTANT About Replacement Toner Cartridge For optimum print quality, replacing the toner cartridge with Canon genuine ones is recommended. Model name Supported Canon genuine toner cartridge D550 Canon Cartridge 128 Handling Toner Cartridge Note the following when handling the toner cartridge. 6-6