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Display 12864 didn't working MKS GEN V1.4

Posted by tumulo97 
Display 12864 didn't working MKS GEN V1.4
May 31, 2018 05:59PM
Hi,

I recently upgrade my printer (wanhao duplicator 5s mini) with the MKS GEN V1.4 flashed with marlin firmware.

I bought the 12864 LCD display but it doesn't working when i power on the machine.... what's the possible issues???
Re: Display 12864 didn't working MKS GEN V1.4
June 01, 2018 02:16AM
you enabled it in firmware?
line 1491 in the marlin config.h file
// RepRapDiscount FULL GRAPHIC Smart Controller
// [reprap.org]
//
#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
Re: Display 12864 didn't working MKS GEN V1.4
June 02, 2018 11:54AM
I don't have a Gen 1.4, but I do have a Gen L, and on the Gen L the LCD connectors are backwords. I took a knife and cut off the plastic guide on the ribbon cables and turned them 180 degrees and that fixed the issue.
Re: Display 12864 didn't working MKS GEN V1.4
November 13, 2018 05:54PM
If I might resurrect this old thread...

I've been able to orient the cables correctly to get backlight, but no display.

I've followed jinx post instructions here AND instructions here.
https://reprap.org/forum/read.php?146,751362,838428#msg-838428


I just learned of other resources, so I'm heading there as well.
resources mentioned in this thread: https://github.com/MarlinFirmware/Marlin/issues/12262

Thank you any help you might be able to provide.

EDIT CLOSED / FIXED!

Thank you Jinx Your post (and removing other changes I had made) FIXED my ISSUE!!


Edited 3 time(s). Last edit at 11/13/2018 06:11PM by velvetbrain.
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