HP LaserJet Pro 400 MFP M425 - Manual (Page 169)

Black cartridge very low
Description
The toner cartridge is at the end of its useful life. A customer configurable option on this product is "Prompt
to Remind Me in 100 pages, 200 pages, 300 pages, 400 pages, or never." This option is provided as a
customer convenience and is not an indication these pages will have acceptable print quality.
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 toner cartridge has reached very low, HP's Premium Protection Warranty on that toner cartridge
has ended. All print defects or cartridge failures incurred when an HP toner cartridge is used in continue at
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.
Cleaning
Description
The product periodically performs a cleaning procedure to maintain the best print quality.
Recommended action
Wait for the cleaning process to finish.
Device error, press OK
Description
An internal error occurred.
Recommended action
Press the OK button to resume the job.
Door open
Description
The product front door is open.
Recommended action
Close the door.
Genuine HP supply installed
Description
A genuine HP toner cartridge was installed.
Recommended action
No action necessary.
ENWW Interpret control panel messages 153