|Handbook 123If the print density becomes low even before your faxmachine displays TONER LOW or REPLACE TONER CART.,gently wipe the lens surface of the LED array (refer to Step8). If the print density does not improve, replace the tonercartridge.! Warning: Be careful when handling the toner cartridge.Do not let toner spill on your clothing or other porousmaterials. Use cold water to clean up spilled toner; hotwater causes the stain to set.1 Lift the document table into an upright position.Replacing the Toner CartridgeThe number of pages you can print with one toner cartridgevaries depending on the type of documents you usuallyreceive or copy. A toner cartridge will print about 2,000 letter-size pages at a typical print coverage of 4% (equivalent ofCCITT No. 1 test chart).! The first toner cartridge in your new fax machine hasto fill the drum reservoir and saturate the developingroller with toner. For this reason, it will need to bereplaced sooner than subsequent cartridges—afterabout 1,000 pages.If your fax machine displays TONER LOW or REPLACETONER CART., replace the toner cartridge with a new onesoon. If print density is high enough, you can continue to usethe toner cartridge without replacing it until print qualitybecomes unacceptable. Keep in mind that if you don’t replacethe cartridge soon, there is a risk that a fax will be unreadablewhen it prints using an empty cartridge.
