HP 4100 mfp User's Manual | Page 73

HP All in One Printer User's Manual - 4100 mfp.
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Cleaning the product 71

Toner low and toner out conditions

When toner is low, the control panel displays a TONER LOW message and the product 
continues to print. The message first appears when about 15 percent of the toner 
remains in the cartridge.

When the cartridge runs out of toner, the control panel displays a TONER OUT message 
and printing stops. You can continue printing the current job by pressing START. The 
message continues to appear for every job until you replace the toner cartridge.

Cleaning the product

General guidelines

Follow the cleaning procedure on the following page every time you change the toner 
cartridge or when print-quality problems occur. To minimize problems, keep the product 
free from dust and debris.

Clean the outside of the product with a cloth dampened with water.

Clean the inside of the product with a dry, lint-free cloth.

CAUTION

While cleaning the product, be careful not to touch the transfer roller (the black rubber 
roller located underneath the toner cartridge). Skin oils on the roller can affect print quality.

 

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