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C7350/7550 User’s Guide: Maintenance • 502
Cleaning the LED heads
Clean the LED heads when printing does not come out clearly, has
white lines or when text is blurred.
1. Turn off the printer.
2. Open the top cover.
open top cover.eps
CAUTION!
Do not use methyl alcohol or other solvents on the LED
heads. These solvents damage the lens surface.