Canon LBP7660Cdn Manual page 104

If you cannot place the printer on the paper feeder properly, lift the printer once, hold it horizontally, and place it
again.
If you try to place the printer forcefully without lifting it, the connector and positioning pins may be broken.
Be sure to turn the printer ON once when loading paper in the drawer for the first time after installing the paper
feeder.
Precautions when installing/removing ROM
Be sure not to touch the switches on the main board. If you change the switches, the printer does not operate
properly.
Observe the following precautions when handling ROM to prevent damage from static electricity.
Touch a metal object to dissipate static electricity before handling them.
When handling ROM, do not touch anything that generates static electricity such as the computer display.
Do not touch the main board parts, printed wire, or connectors with your hands.
Take ROM out of the protective bag right before it is installed.
Do not touch the main board parts, printed wire, or connectors with your hands.
When installing ROM, be careful so that any metal objects such as screws do not touch the main board.
If any of screws, clips, staples, and so on should drop inside the printer, do not plug the power plug in the AC
power outlet and contact your local authorized Canon dealer.
Do not turn the printer ON without the right cover or slot cover attached. This may result in damage to the printer.
NOTE
About the toner cartridge included with this printer
The average yield of the included toner cartridges is as follows.
Average yield of K (Black) toner cartridge: 1,200 pages
Average yield of Composite C (Cyan), M (Magenta), and Y (Yellow) toner cartridges: 1,400 pages
*1
The average yield is on the basis of "ISO/IEC 19798"* when printing A4 size paper with the default print
density setting.
* "ISO/IEC 19798" is the global standard related to "Method for the determination of toner cartridge yield for
color printers and multi-function devices that contain printer components" issued by ISO (International
Organization for Standardization).
*2
The life of the toner cartridges is affected by the following conditions.
Printing environment and conditions
Spaced printing
Paper size and paper type settings
Printing ratio
Toner is used even when printing with a low printing ratio.
Color printing
Multiple color toner cartridges may reach the end of their life at the same time.
Printer configuration
Black-and-white printing may affect the life of the color toner cartridges.
For purchasing replacement toner cartridges, see "Consumables."
*1 *2
*1 *2