HP Event Code 10.00.46 Indicated cartridges blocked for containing a non-HP chip - A Permanent Fix
In this video, I show how to resolve Event Code: 10.00.46 on HP LaserJet 400 Series printers, an error that appears when the printer detects a non-HP toner chip or a blocked cartridge.
This issue is common after firmware updates and affects many HP LaserJet Pro 400 models that use toner authentication chips. If your printer displays messages like “Cartridge blocked,” “Non-HP chip detected,” or “Supply memory error,” this guide will help.
Affected HP LaserJet 400 Series Printers include:
HP LaserJet Pro 400 M401dn / M401dw
HP LaserJet Pro 400 M402n / M402dn / M402dw
HP LaserJet Pro 400 M403dn / M403dw
HP LaserJet Pro 400 M404n / M404dn / M404dw
HP LaserJet Pro 400 M405dn / M405dw
HP LaserJet Pro 400 M425dn
HP LaserJet Pro 400 M426fdn / M426fdw
HP LaserJet Pro 400 M427fdn / M427fdw
HP LaserJet Pro 400 M428fdn / M428fdw
HP Color LaserJet Pro 400 M451dn / M451nw
HP Color LaserJet Pro 400 M475dn
And more
What this video covers:
What Event Code 10.00.46 means
Why HP blocks cartridges with non-HP toner chips
How to fix or bypass the cartridge error
Tips to prevent future toner lockouts
⚠️ Note: Using third-party toner may void warranties or be affected by future firmware updates.
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