HP LaserJet Pro 400 color Printer M451 series - Manual (Page 168)

Recommended action
Pull the orange tab to remove the shipping lock from the cartridge.
Replace
Description
The print cartridge is at the end of its useful like, and the product is customer-configured to stop
printing when it reaches the very low state.
Recommended action
To ensure optimal print quality, HP recommends replacing the print cartridge at this point. You can
continue printing until you notice a decrease in print quality. Actual cartridge life may vary. Once an
HP supply has reached very low, HP's premium Protection Warranty on that supply has ended. All
print defects or cartridge failures incurred when an HP supply is used in continue at very low mode
will not be considered to be defects in materials or workmanship in the supply under the HP Print
Cartridge Warranty Statement.
Supplies low
Description
More than one supply item is low.
Recommended action
Check the supply level gauges on the control panel, or print a supplies status page to determine
which print cartridges are low.
Printing will continue until a Very Low message displays. Consider having replacement supplies on
hand.
Unexpected size in tray # Load 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 Press [OK] to continue
Description
The product has detected a print cartridge that was not made by HP.
Recommended action
Press the OK button to continue printing.
150 Chapter 11 Solve problems ENWW