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Clean the scanner glass
Dirty glass from debris may cause scan and copy image defects.
1. Turn device off, unplug the power cord from the electrical socket, and raise the lid.
2. Clean the glass by using a soft lint-free cloth that has been moistened with nonabrasive glass
cleaner.
CAUTION Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon
tetrachloride on any part of the device; these can damage the device. Do not place liquids
directly on the glass. They might seep under it and damage the device.
3. To prevent spotting, dry the glass using a soft lint-free cloth.
Change MFP toner warnings
Supplies gauges display consumption levels of print cartridges. The display appears when the MFP
shows the Ready state with no warnings, or when the MFP shows a warning or error message pertaining
to a print cartridge or multiple supplies. When the supply is empty the gauge displays as empty. Flashing
indicates a single supply is empty. These messages can display when:
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Missing cartridge
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Incorrectly placed cartridges
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Cartridges with an error
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Some non-HP cartridges
Calibrate the MFP
The MFP automatically self-calibrates, but calibration settings can be manually adjusted by using the
HP ToolboxFX.
136 Chapter 12 How do I? ENWW