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112
Easy Fix
Formlabs · Professional Resin 3D Printers
Resin Expired - Cartridge Past Recommended Use-By Date
Quick Answer
Error code 112 on your Formlabs Professional Resin 3D Printers means: Resin Expired - Cartridge Past Recommended Use-By Date. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Resin cartridge has exceeded its shelf life (typically 12-24 months from manufacture)
  2. Resin was stored improperly in high heat or direct light accelerating degradation
  3. Cartridge manufacture date is significantly older than expected
  4. Printer clock/date is incorrect causing a false expiration reading
How to Fix It
1
Check the expiration date printed on the resin cartridge label
2
If the resin is only slightly past expiration, you can attempt to print but expect potentially degraded results (lower accuracy, incomplete curing)
3
For biocompatible resins (Form 4B, Form 3BL), expired resin must not be used for medical applications
4
Verify the printer date and time settings are correct: Settings > Date & Time
5
Replace the cartridge with fresh resin for critical or high-accuracy prints
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Fresh Formlabs resin cartridge (matching resin type)
Resin storage container for transferring unused expired resin
Related Error Codes
100101102110111
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