HP LaserJet Pro 200 color Printer M251nw - Manual (Page 105)

Recommended action
Press the OK button to continue printing the job, but output might be affected.
If the error persists, turn the power off and then on. Resend the print job.
Rear door open
Description
The product rear door is open.
Recommended action
Close the door.
Remove shipping lock from <color> cartridge
Description
A toner cartridge shipping lock is installed.
Recommended action
Pull the orange tab to remove the shipping lock from the cartridge.
Remove shipping locks from cartridges
Description
A toner cartridge shipping lock is installed on one or more toner cartridges.
Recommended action
Pull the orange tab to remove the shipping lock from the cartridge.
Replace <color>
Description
The toner cartridge is at the end of its useful life, 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 toner 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.
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