Solution
Caution
Be sure to turn off the power and unplug the power cord before cleaning the machine.
The power cannot be turned off while the machine is sending or receiving a fax, or when the received fax or unsent fax are stored in the machine's memory. Make sure if the machine completed sending or receiving all the faxes before disconnecting the power cord.
The machine cannot send or receive faxes when the power is turned off.
If you unplug the power cord, all the documents stored in the machine's memory will be deleted. Print the necessary documents or save them to the USB flash drive before unplugging the power cord.
With a clean, soft, lint-free cloth, wipe the Platen Glass (A), the inner side of the Document Cover (white sheet) (B), the glass of the ADF (C), and the inner side of the ADF (white area) (D) gently. Be sure not to leave any residue, especially on the Platen Glass.
Caution
The inner side of the Document Cover (white sheet) (B) is easily damaged, so wipe it gently.
If any foreign substances such as glue, ink or correction fluid are adhered to the glass of the ADF (C) as shown in the figure above, some black streaks will appear on the scanned image. In this case, wipe the dirt off gently.