Epson EPL-7500 User Manual - Page 128
Routine Cleaning, Replacing the ozone filter
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Routine Cleaning The maintenance procedures you perform each time you replace the imaging cartridge should keep your printer running at its best; however, fine particles of paper dust and ordinary dust can collect inside the printer. If you notice a decline in print quality, clean the inside of the printer, the roller in the paper path, and the paper feed roller as described below. You should also clean the paper cassette and the printer case every few months. These procedures are described later in this section. After you clean the printer or replace the components, turn on the printer so that it will print a start page, as described in Chapter 2. If the start page is unsatisfactory, see Chapter 7 for troubleshooting tips. Replacing the ozone filter Ozone is generated inside the printer by the high voltages used during the printing process. The ozone filter located at the back of the printer should be replaced every six months. If you print many pages at a time, you may need to replace the ozone filter more often. Follow these steps to replace the ozone filter: 1. Make sure the printer is turned off. 6-14 Maintenance and Transportation