Zebra QLN320 does not see bluetooth ios apple

E Evgeniy Ravinskiy 2 years 11 months ago
113 3 0

Hey. I have many zebra QLN 320 printers with bluetooth. We work with them every day; they are connected to an ipad tablet. Many printers have stopped working, our ipad do not see them on bluetooth. Periodically and to this day the printer stop working. They used to work, MFI is present in them, but not a single ipad tablet with different ios does not see them. On one of the printers, I sent a command

! U1 getvar "bluetooth"

! U1 do "bluetooth.clear_bonding_cache"

Result

bluetooth
bluetooth.discoverable: on, Choices: on, off
bluetooth.friendly_name: Optom3
bluetooth.version: 4.2.1
bluetooth.date: 09/10/2012
bluetooth.local_name: Optomoll-3
bluetooth.address: AC: 3F: A4: 42: 5D: AF
bluetooth.bluetooth_pin: *
bluetooth.short_address: AC3FA4425DAF

Firmware on priter 68.19.7Z

I updated many of the printers to the latest firmware V68.20.10Z, but this did not help, I also reset the cache, reset the settings, but it does not help. In Russia, no service center can understand the problem, they say the technical part is all right.

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3 Replies

V Vedsatx Saddvv

The latest firmware version for QLn320 is V68.20.15Z. Could you also provide us the full output of ! U1 getvar "bluetooth"? The full output should look like below:
bluetooth.
bluetooth.discoverable : on , Choices: on,off
bluetooth.friendly_name : XXQLJ141300691
bluetooth.version : 5.5.2
bluetooth.date : 10/03/2017
bluetooth.local_name : XXQLJ141300691
bluetooth.address : AC:3F:A4:0B:DE:1F
bluetooth.bluetooth_pin : *
bluetooth.short_address : AC3FA40BDE1F
bluetooth.radio_version : 3.0
bluetooth.enable : on , Choices: on,off
bluetooth.connected : no
bluetooth.minimum_security_mode : 1 , Choices: 1,2,3,4
bluetooth.connected_security_mode : nc
bluetooth.bonding : on , Choices: on,off
bluetooth.clear_bonding_cache
bluetooth.enable_reconnect : iOS_only , Choices: off,iOS_only
bluetooth.json_config_channel_enable : on , Choices: on,off
bluetooth.page_scan_window : 60 , Choices: 15,60
Please pay attention to the highlighted output. The Bluetooth "enable" needs to be set to ON, and the "discoverable" needs to be ON and the "connected" needs to be NO, in order for an iOS device to discover the printer. If the printer is already connected to another device, you would not be able to discover it. Hope this helps.

V Vedsatx Saddvv

Hi Evgeniy,
Can you verify that the bad printers all have an 'M' in the part number (found on the bottom of the printer)? 

V Vedsatx Saddvv

Hi Evgeniy,
Which version of iOS are you using primarily?

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