9-5Periodic cleaning9 SOLUTIONS TO COMMON PROBLEMSTesting and cleaning the BJ cartridge print head __The print head in the BJ cartridge contains nozzles through which ink is propelled onto the paper. Tomaintain the best possible print quality, these nozzles need to be cleaned from time to time. Your fax isequipped with a print head cleaning function that does this.K Printing the nozzle check patternBefore cleaning the print head, you may want to print the nozzle check pattern to test the print head of theBJ cartridge installed in the fax. This test shows if each print head nozzle is operating properly.1 Press [Function].DPress [Cleaning].2 Use [3] or [4] to select NOZZLE CHECK.DPress [Start/Copy].The fax prints the nozzle check pattern.NotePrint the nozzle check pattern again after cleaning the BJ cartridge print head to check if cleaning correctedthe problem.Nozzle check patternIf the pattern is broken ormissing, clean the BJcartridge print head (seep. 9-6).
