When you post information about some problem, please include the following details: - OS version (e.g. Windows 2000 Professional SP3); HostMonitor version; problem description.
I've been testing the new printer tests , quite interesting, seems ok on most of our printers, one however gives tranges results, the Lexmark MS431dn (maybe because Lexmark changed (inverted) Imaging and toner OIDs for this model)
-3 as toner level? Yes, some printers/cartridges do not provide toner level.
BTW: we tried same printer with newer firmware (kernel 5.40.90), it shows toner level