HP LaserJet Pro 400 Printer M401 series - Manual (Page 108)

very low mode will not be considered to be defects in materials or workmanship in the toner cartridge
under the HP Print Cartridge Warranty Statement.
Supplies low
Description
A toner cartridge is low.
Recommended action
Printing will continue until a Very Low message displays. Consider having a replacement toner
cartridge available.
Unexpected size in tray <X> Load <size> Press [OK]
Description
The product has detected paper in the tray that does not match the configuration for the tray.
Recommended action
Load the correct paper into the tray, or configure the tray for the size that you have loaded.
Unsupported black cartridge Press [OK] to continue
Description
The product has detected an installed toner cartridge that was not made by HP.
Recommended action
Press the OK button to continue printing.
If you believe you purchased an HP supply, go to www.hp.com/go/anticounterfeit . Service or repairs
that are required as a result of using unsupported supplies are not covered under HP warranty.
Used black cartridge is installed Press [OK] to continue
Description
You are using a toner cartridge that reached the default low threshold while it was installed in another
product.
Recommended action
Press the OK button to clear the message. Printing can continue, but consider having a replacement
toner cartridge available.
96 Chapter 5 Solve problems ENWW