User Guide
110
6.4 Cleaning the Printer
• When cleaning this product, use the designated cleaning materials exclusive to it. Other cleaning materials may
result in poor performance of the product. Never use aerosol cleaners to avoid catching fire and explosion.
• When cleaning this product, always switch off and unplug it. Access to a live machine interior may cause electric
shock.
• When cleaning this product, switch off the product and its switchboard (branch circuit). Access to a live machine
interior may cause electric shock.
6.4.1 Cleaning Inside the Printer
Cleaning the Color Toner Density (CTD) Sensor
• Clean the CTD sensor only when an alert for the CTD sensor is shown on the operator panel.
1.
Make sure that the printer is turned off.
2.
Pull up the handle lever of the rear cover, and open the rear cover.
3.
Clean the CTD sensor with a clean and dry cotton swab.
4.
Close the rear cover.
Cleaning the LED Print Head
To prevent deterioration of printing quality due to stains on the LED print head, clean the LED print head
regularly by using the cleaning rod or whenever you replace the drum cartridges.
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