# \#zebra-serial

**URL:** https://community.tulip.co/tag/zebra-serial/214.md

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## [Serial (Player Only) Device Connection Error in one instance but not another](https://community.tulip.co/t/serial-player-only-device-connection-error-in-one-instance-but-not-another/15888)

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**Author:** [@jmlowden](https://community.tulip.co/u/jmlowden)\
**Replies:** 1\
**Last updated:** [December 1, 2025, 7:35pm UTC](https://community.tulip.co/t/serial-player-only-device-connection-error-in-one-instance-but-not-another/15888 "2025-12-01T19:35:18Z")

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I am getting the following intermittent error when trying to connect the same printer Error: Success: Port Info: Trigger Details: Any ideas?

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## [Programmatically Connect to Serial Devices with Player Triggers](https://community.tulip.co/t/programmatically-connect-to-serial-devices-with-player-triggers/8133)

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**Author:** [@k.ober](https://community.tulip.co/u/k.ober)\
**Replies:** 5\
**Last updated:** [December 29, 2023, 2:08pm UTC](https://community.tulip.co/t/programmatically-connect-to-serial-devices-with-player-triggers/8133 "2023-12-29T14:08:40Z")

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I like to use the Player (Serial Only) driver a lot. It’s my preferred way of connecting to devices like Zebra printers, as all your message configuration is done in the App Editor - no need to switch between App, App Ed…

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## [Serial (Player Only) Connection Parameters for Zebra ZTC ZD421-203dpi ZDL](https://community.tulip.co/t/serial-player-only-connection-parameters-for-zebra-ztc-zd421-203dpi-zdl/9679)

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**Author:** [@jmlowden](https://community.tulip.co/u/jmlowden)\
**Replies:** 1\
**Last updated:** [November 7, 2023, 2:45pm UTC](https://community.tulip.co/t/serial-player-only-connection-parameters-for-zebra-ztc-zd421-203dpi-zdl/9679 "2023-11-07T14:45:52Z")

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I have been having intermittent success with printing to this model, I think due to a variety of causes but want to be sure I am using the optimal/correct values for Baud Rate, Message Delimiter, and Message Terminator. …

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## [Update Tulip Device Library Printers Page](https://community.tulip.co/t/update-tulip-device-library-printers-page/9446)

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**Author:** [@jmlowden](https://community.tulip.co/u/jmlowden)\
**Replies:** 3\
**Last updated:** [October 4, 2023, 9:17pm UTC](https://community.tulip.co/t/update-tulip-device-library-printers-page/9446 "2023-10-04T21:17:06Z")

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I am looking into label printer use cases and noticed that the GK420D DESKTOP PRINTER model listed on the Tulip.co device library page is discontinued according to the manufacturer’s page. Can this device library page b…

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## [Error RPC 500 when trying to connect to Zebra ZD621-203dpi via serial port](https://community.tulip.co/t/error-rpc-500-when-trying-to-connect-to-zebra-zd621-203dpi-via-serial-port/7974)

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**Author:** [@antoine.jeanrichard](https://community.tulip.co/u/antoine.jeanrichard)\
**Replies:** 4\
**Last updated:** [April 10, 2023, 6:42pm UTC](https://community.tulip.co/t/error-rpc-500-when-trying-to-connect-to-zebra-zd621-203dpi-via-serial-port/7974 "2023-04-10T18:42:47Z")

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Hello, I’m having an issue while trying to connect a Zebra printer (ZD621-203dpi) via serial port, the player return an error “Internal Server error \[500\]” when I call the “Run Device Function” as follow : . The erro…