Martin Yale Postmark 3078 Letter Opener

 In stock

Cross Sell


Martin Yale Postmark 3078 Letter Opener



This top-of-the-line, high-speed automatic letter opener gives you total control over your letter opening. The milling cutter technology allows for soft edges, preventing paper cuts. The included waste bin helps dispose of paper chips to keep the area clean. The 3078 Letter opener also has a reverse flow conveyor to return opened envelopes back under the feed ramp, allowing for higher output.






  • Milling Cutter Technology 
  • Milling Cutter On/Off 
  • Resettable Rate & Lifetime Counters
  • Variable Speed
  • Batch Mode: Feed and open a specified number then stop
  • On-Demand Feeding: 
  • Feeds, open, and stops until removal
  • On-Delay Feeding: 
  • Feed and open at a specified increment
  • Jam & Idle Shut-off 
  • Stand & Waste Bin 
  • Touch Screen Controls 
  • Extendable Feed Ramp
  • Reverse Flow Conveyor






Description Automatic Milling Cutter
Daily Volume (filled envelopes) Up to 60,000
Max Envelope Thickness .25" (6mm) (auto feed)
.39" (10mm) (manual feed)
Max Envelope Length 13" (330mm)
Depth of Cut 0.7mm (Factory set)
0 - 3mm (Tool Adjust)
Receiving Tray Capacity 100
Feeder Capacity (envelopes) 100
Theoretical Speed (envelopes/hr) 36,000
Production Speed (envelopes/hr) 20,000
Screen 3.8" (96.52 mm) Touch Screen


Standard delivery is 5 to 7 business days for normal orders, to arrange for any kind of express delivery or overnight services please call 1-800-374-9271



Thank you for shopping at Automated Business Systems! We offer refunds and/or exchanges within the first 14 days of your purchase, if 14 days have passed since your purchase, you will not be offered a refund and/or exchange of any kind. Your item must be unused and in the same condition that you received it.