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ES3640e MFP User’s Guide
Consumables and maintenance – printer unit > 102
Replacing consumables/maintenance items
Each consumable or maintenance item comes complete with its
own installation details which give full instructions on
replacement. You are advised to follow these instructions
carefully.
Cleaning the LED heads
You are advised to clean the LED heads:
> any time you replace a toner cartridge (a LED lens cleaner
is enclosed with each replacement toner cartridge)
> if printing is showing signs of faded images, white stripes
or blurred letters
You can use a LED lens cleaner or dry, soft cloth for cleaning the
LED heads.
IMPORTANT!
Only use genuine Oki Original consumables to ensure
the best quality and performance from your hardware.
Non-Oki Original products may damage your printer
unit’s performance and invalidate your warranty.