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Reliable label printer system
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imashin
March 21, 2019
Technology
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200
Reliable label printer system
Cookpad Tech Kitchen #21 Show-and-Tell
https://cookpad.connpass.com/event/122585/
imashin
March 21, 2019
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Transcript
eliable label printer system Cookpad ech itchen #21 how-and- ell
2019.3.21 Shinsuke IMAI
whoami hinsuke A @imashin_ erverside engineer
Demo - print labels -
Agenda • When the label printer is used in our
service • Why we develop this remote label printer • ow we develop this system
rder flow rder products
rder flow rder end time comes (a day before delivery)
rder flow TSP743II E3-24J1 JP UD-LT1 / EX SORACOM VPC
AWS Printer CKPD VPC SORACOM Print batch rint product labels via celler network
rder flow roduct labels
rder flow A-2 A-1 B-2 B-1 Deliver labeled products to
users A-2 B-2
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
abel is mportant A-1
eliable label printer system is required
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
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
ew idea • eplace ◦ i ad to a cloud
computer ◦ unstable connection to stable connection ◦ the normal label printer to a stable label printer
Cloud computer
E router • D- 1 iodata ◦ ebooting ▪ Daily
▪ n connection lost ◦ onitoring ▪ ◦ ogging ▪ syslog
rinter • 743 tar icronics ◦ Controllable via C socket
▪ print / reboot / status check ◦ onitoring ▪ ◦ am less ▪ ??? ( est needed)
rinter • rints many labels ◦ never happen jam
rinter • rints many labels ◦ never happen jam ◦
many label cores are created
rinter • rints many labels ◦ never happen jam ◦
many label cores are created ◦ next seat engineers build unreliable Android tower
et’s build!!!
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
Development • etwork: @sorah ◦ Build a network to use
soracom ◦ Device management
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
Development • Assemble: @imashin ◦ ake holes at the box
◦ lace devices in one box
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
None