Dell 2335dn Dell™ 2335dn MFP User's Guide - Page 224
Do not touch the transfer roller inside the printer. Oil from your fingers
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3. CAUTION: Do not touch the transfer roller inside the printer. Oil from your fingers may cause print quality problems. 4. Locate the long strip of glass Laser Scanning Unit (LSU) inside the top of the cartridge compartment, and gently swab the glass to see if dirt turns the white cotton black.
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CAUTION:
Do not touch the transfer roller inside the printer. Oil from your fingers
may cause print quality problems.
Locate the long strip of glass Laser Scanning Unit (LSU) inside the top of the cartridge compartment,
and gently swab the glass to see if dirt turns the white cotton black.
4.