HP 2100 Service Manual - Page 71

Toner Cartridge Cleaning This process cleans the photosensitive drum inside the toner cartridge. Use this process if blurred, faded or smeared printouts occur. This process takes about 10 minutes. Figure 4-2 Engine Cleaning NOTE: Make sure the toner cartridge is not empty when using this process. This process consumes toner and if used often can reduce toner cartridge life. A nearly empty toner cartridge might also cause print defects. To Start Toner Cartridge Cleaning 1 Make sure the printer is turned on and in the ready state. 2 Press and hold the GO and JOB CANCEL buttons until all lights flash. This will take about 10 seconds. Release the buttons when the lights flash. 3 Press the JOB CANCEL button. To stop the toner cartridge cleaning process, turn the printer off. C4170-90959 Cleaning the Printer 61