Cleaning the scanner glass; Cleaning the laser scanner window; 6 - 17- Page 57

Troubleshooting and routine maintenance

6 - 17

6

Cleaning the scanner glass

Turn off the DCP’s power switch and lift the 
document cover. Clean the scanner glass 
and white plastic with isopropyl alcohol on a 
soft lint-free cloth.

In the ADF unit, clean the white plastic bar 
and the scanner glass strip under it with 
isopropyl alcohol on a lint-free cloth.

Cleaning the laser scanner 
window

1

Before you clean the inside of the DCP, 
turn off the DCP’s power switch.

2

Open the front cover and pull out the 
drum unit and toner cartridge assembly.

Scanner Glass

White Plastic

Document 
Cover

Glass Strip

White 
Plastic Bar

CAUTION

■

Do 

not

 use isopropyl alcohol to clean 

the laser scanner window.

■

Do 

not

 touch the laser scanner window 

with your fingers.

WARNING

Just after you have used the DCP, some 
internal parts of the machine are 
extremely 

HOT!

 When you open the front 

cover of the DCP, never touch the shaded 
parts shown in the diagram below.