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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- Explanation point is flashing

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12-26-2019 10:40 AM
The "!" is the "Attention light" - you are correct, this error state prevents normal print / copy function.
Known Solutions here: Blinking Lights
See Section Issue: The Attention light is blinking
More than just the Attention light blinking?
See Section(s):
Issue: The Attention light and the Media Error indicators are blinking
Issue: The Attention light and both ink cartridge lights are blinking
Reference and Resources – Places to find (more) help and learn about your Printer
Clarification of terms and "what the printer can do" (Specifications)
Printer Homepage – “Things that are your printer”
NOTE: Content depends on device type and Operating System
HP Drivers / Software / Firmware Updates, How-to Videos, Bulletins/Notices, Lots of How-to Documents, Troubleshooting, Access to the Print and Scan Doctor (Windows), User Guides, Product Information, more
When the website support page opens, Select (as available) a Category > Topic > Subtopic
HP Deskjet 2540 All-in-One Printer series
OR
Open Support Home
Enter the name of your device
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