HP Deskjet 3050 - Manual (Page 48)

lights are still blinking, then one or both cartridges may be defective. To determine if one
cartridge is defective do the following:
1. Remove black cartridge.
2. Close cartridge door.
3. If the On light blinks, the tri-color cartridge should be replaced. If the On light does
not blink, replace the black cartridge.
Prepare the trays
Open output tray
▲ Output tray must be open to begin printing.
Close cartridge door
▲ Cartridge door must be closed to begin printing.
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Resolve copy and scan issues
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Chapter 8
46 Solve a problem
Solve a problem