Brother International HL 1240 Service Manual - Page 108
Cleaning the Scanner Window, Clean the Electrical Terminals
UPC - 012502600855
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CHAPTER 5 PERIODIC MAINTENANCE 3.3 Cleaning the Scanner Window When replacing the drum unit or toner cartridge with a new one, be sure to clean the scanner window. 1) Turn off the power switch and unplug the power cord. 2) Remove the drum unit from the printer. 3) Gently wipe the scanner window (colored magenta in the figures below) with a soft dry cloth. Fig. 5-8 ! CAUTION: Do not touch the scanner window with your fingers. Do not wipe the scanner window with cleaning alcohol (isopropyl). 3.4 Clean the Electrical Terminals When replacing the drum unit or toner cartridge with a new one, be sure to clean the electrical terminals inside the printer body. 1) Turn off the power switch and unplug the power cord. 2) Remove the drum unit from the printer. 3) Wipe the electrical terminals as shown in the figure below with a soft dry cloth. Fig. 5-9 5-6