Epson EPL-7500 사용자 설명서

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4. Clean the transfer charger wire by gently rubbing the cotton
swab along the length of the wire, as shown below. Only wipe
from left to right when cleaning the transfer charger wire. Do
not moisten the cotton swab.
Cleaning the glass lens
1. 
Locate the glass lens on the inside printer cover.
6-6
Maintenance and Transportation