HP 4350dtn HP LaserJet 4250/4350 Series - User Guide - Page 124
Cleaning the printer, Cleaning the inside of the printer - roller
UPC - 829160416793
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Cleaning the printer CAUTION Use the cleaning procedure on the following page every time you change the print cartridge or whenever print-quality problems occur. As much as possible, keep the printer free from dust and debris. ● Clean the outside of the printer with a slightly water-dampened cloth. ● Clean the inside with a dry, lint-free cloth. Do not use ammonia-based cleaners on or around the printer. While cleaning the printer, be careful not to touch the transfer roller (the black, rubber roller located underneath the print cartridge). Skin oils on the roller can cause print-quality problems. Cleaning the inside of the printer Use these steps to clean dust and residue from the inside of the printer. To clean the inside of the printer 1. Turn the printer power off and unplug the power cord. 112 Chapter 3 Managing and maintaining the printer ENWW