HP LaserJet Pro 400 MFP M425 - Manual (Page 170)

Incompatible black
Description
You have installed a toner cartridge that is intended for use in a different HP product model. The product
might not function correctly with this toner cartridge installed.
Recommended action
Install the correct toner cartridge for this product.
Install black cartridge
Description
The toner cartridge is either not installed or not correctly installed in the product.
Recommended action
Install the toner cartridge.
Invalid driver Press [OK]
Description
You are using an incorrect print driver.
Recommended action
Select the correct print driver.
Jam in Tray 1, Clear jam and then press OK
Description
The product has detected a jam.
Recommended action
Clear the jam from the tray, and then press OK .
If the message persists, contact HP support.
Load Tray 1 <TYPE> <SIZE>, Press OK to use available media
Description
The tray is not configured for the paper type and size that the print job is requesting.
Recommended action
Load the correct paper into Tray 1. Or press the OK button to use the paper currently in the tray.
Load Tray 1, <PLAIN> <SIZE> / Cleaning mode, OK to start
Description
The product is ready to process the cleaning operation.
154 Chapter 8 Solve problems ENWW