HP LaserJet Enterprise MFP M637 User Guide - Page 178

A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel or EWS

Page 178 highlights

A "Cartridge is low" or "Cartridge is very low" message displays on the printer control panel or EWS Review the possible solutions to this issue. Cartridge is low: The printer indicates when a toner cartridge level is low. Actual toner cartridge life remaining may vary. Consider having a replacement available to install when print quality is no longer acceptable. The toner cartridge does not need to be replaced now. Cartridge is very low: The printer indicates when the toner cartridge level is very low. Actual toner cartridge life remaining may vary. Consider having a replacement available to install when print quality is no longer acceptable. The toner cartridge does not need to be replaced now unless the print quality is no longer acceptable. HP's Premium Protection Warranty expires near the end of useable cartridge life. Check the Supplies Status Page or the HP Embedded Web Server (EWS) for the status. 170 Chapter 10 Solve problems ENWW

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A “Cartridge is low” or “Cartridge is very low” message displays on
the printer control panel or EWS
Review the possible solutions to this issue.
Cartridge is low
: The printer indicates when a toner cartridge level is low. Actual toner cartridge life remaining
may vary. Consider having a replacement available to install when print quality is no longer acceptable. The toner
cartridge does not need to be replaced now.
Cartridge is very low
: The printer indicates when the toner cartridge level is very low. Actual toner cartridge life
remaining may vary. Consider having a replacement available to install when print quality is no longer
acceptable. The toner cartridge does not need to be replaced now unless the print quality is no longer
acceptable.
HP’s Premium Protection Warranty expires near the end of useable cartridge life.
Check the Supplies Status Page
or the HP Embedded Web Server (EWS) for the status.
170
Chapter 10
Solve problems
ENWW