Reliable label printer system

Transcript

1. eliable label printer system Cookpad ech itchen #21 how-and- ell

   2019.3.21 Shinsuke IMAI

2. whoami hinsuke A @imashin_ erverside engineer

3. Demo - print labels -

4. Agenda • When the label printer is used in our

   service • Why we develop this remote label printer • ow we develop this system

5. rder flow rder products

6. rder flow rder end time comes (a day before delivery)

7. rder flow TSP743II E3-24J1 JP UD-LT1 / EX SORACOM VPC

   AWS Printer CKPD VPC SORACOM Print batch rint product labels via celler network

8. rder flow roduct labels

9. rder flow A-2 A-1 B-2 B-1 Deliver labeled products to

   users A-2 B-2

10. Agenda • When the label printer is used in our

    service => Ans. sending ordered items • Why we develop this remote label printer • ow we develop this system

11. abel is mportant A-1

12. eliable label printer system is required

13. Agenda • When the label printer is used in our

    service => Ans. sending ordered items • Why we develop this remote label printer => Ans. All people depend on labels • ow we develop this system

14. First label printer • i ad Air (Cellular model) ◦

    Application crashes ◦ Difficult to auto update • abel printer ( -820 WB Brother) ◦ aper jam • Direct wired ethernet connection ◦ Connection lost

15. ew idea • eplace ◦ i ad to a cloud

    computer ◦ unstable connection to stable connection ◦ the normal label printer to a stable label printer

16. Cloud computer

17. E router • D- 1 iodata ◦ ebooting ▪ Daily

    ▪ n connection lost ◦ onitoring ▪ ◦ ogging ▪ syslog

18. rinter • 743 tar icronics ◦ Controllable via C socket

    ▪ print / reboot / status check ◦ onitoring ▪ ◦ am less ▪ ??? ( est needed)

19. rinter • rints many labels ◦ never happen jam

20. rinter • rints many labels ◦ never happen jam ◦

    many label cores are created

21. rinter • rints many labels ◦ never happen jam ◦

    many label cores are created ◦ next seat engineers build unreliable Android tower

22. et’s build!!!

23. Direct print TSP743II E3-24J1 JP UD-LT1 / EX SORACOM VPC

    AWS Printer CKPD VPC SORACOM Print batch end label data from a batch to the printer

24. Development • etwork: @sorah ◦ Build a network to use

    soracom ◦ Device management

25. Development • rinter: @imashin ◦ Develop gem to control printer

    via C socket https://www.starmicronics.com/support/Mannualfolder/starline_cm_en.pdf https://rubygems.org/gems/star_ethernet

26. Development • Assemble: @imashin ◦ ake holes at the box

    ◦ lace devices in one box

27. Agenda • When the label printer is used in our

    service => Ans. reparing orders • Why we develop this online label printer => Ans. All people depend on labels • ow we develop this system => Ans. Assembling reliable devices and services
28. None