Can you keep using it?
Can you keep using it?
Contact customer support if any of these apply
- !31.46 returns after reseating the supply and confirming genuine parts.
- !The printer will not recover after a restart and reinstall.
What to check first
Step-by-step checks
- 1
Consumable check
Remove and reinstall the toner cartridge and imaging unit.
Start with the official recovery step before moving on to parts or deeper servicing.
- 2
Consumable check
Confirm the cartridge is genuine Lexmark supply.
- 3
Safe first step
Check date, time, and firmware if the error returns.
Background
What this message usually means
Lexmark uses 31.46 for a missing or unresponsive toner cartridge. The official fix is to verify a genuine cartridge, reseat the toner cartridge and imaging kit, and check date, time, and firmware if the code keeps returning.
Diagnosis
Likely causes
The toner cartridge is not fully seated.
A non-genuine or faulty cartridge is not responding.
Date, time, or firmware state is contributing to the supply check.
Service
When service or replacement is more likely
- -Lexmark groups this as a 31.4x supply-recognition fault, not a paper-path jam.
See also
Related codes in this family
Explore more
More Lexmark printer families
Keep browsing
Where to go next
Source notes
Lexmark's 31.4x guidance treats 31.46 as a missing or unresponsive toner cartridge and recommends reseating the cartridge and imaging kit, then checking date, time, and firmware.
Built around official Lexmark support pages for the CS/CX 310/410/510 family. Code behavior can still vary slightly by exact model, installed options, and firmware generation.
Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.
Known family variants: CS310, CS410, CS510, CX310, CX410, CX510
Last reviewed: 2026-04-12
Reference: Open reference