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I have posted version 1.00.39hp. These are the latest (I think) HP-released drivers based on the Samsung technology. These are experimental and 100% untested with any Samsung-branded printer (as far as I know), but it appears they will probably work.

Perhaps most importantly, these also provide ARM64 (and MIPS64) support. Again completely untested.

Feedback is welcome, but I make no promises anything will work, now or in the future.

#35

General Discussion / Re: New 2020 driver with arm64...

Last post by bchemnet - September 30, 2023, 17:55:13

Yes, it does look that way. I will build packages in the near future for testing. Unfortunately I no longer have access to any relevant hardware so cannot test myself.

#36

General Discussion / New 2020 driver with arm64/mip...

Last post by ValdikSS - September 28, 2023, 20:25:31

bchemnet, take a look at HP 107 drivers. This is a new HP device, but it is made on the same hardware and software platform as Samsung Xpress SL-M2020 and also uses SPL with uld driver.

The latest driver available for this device is V1.00.39:00.12_00.15 from Jun 26, 2020. The archive includes i386, amd64, aarch64 and mips64 binary libraries.
https://support.hp.com/us-en/drivers/selfservice/hp-laser-100-printer-series/24494339/model/24494342
https://ftp.hp.com/pub/softlib/software13/printers/CLP150/uld-hp_V1.00.39.12_00.15.tar.gz

The configuration files are all stripped for HP, but I won't be surprised if it would work with Samsung printers by just copying oem.conf and smfp.conf from the Samsung uld.

#37

Printing / Re: ARM binaries needed for Ra...

Last post by ValdikSS - September 27, 2023, 13:21:33

Since this printer supports Wi-Fi Direct, Mopria and AirPrint, it should support PDF, PCLm or other raster language. Try generic driver, it should work.
This printer also supports SPL, splix driver should also work.

#38

Scanning / Re: SCX-4521F and Raspberry Pi...

Last post by ValdikSS - September 27, 2023, 12:10:46

I've set up modern (driverless) printing to SCX-4521F on Orange Pi One with Debian 12 (Armbian), all without proprietary drivers.
All it took:

Install CUPS (apt install cups)
Install SPLIX printing driver (apt install printer-driver-splix)
Install Avahi (apt install avahi-daemon)
Configure printer using CUPS web interface (127.0.0.1:631) and enable sharing

And that's it. The printing is visible with auto-discovery and works from Android phone, from Linux and Windows PC, all without additional drivers or configuration on the phone/PCs.

Scanning requires some additional steps. There's a bug in xerox_mfp backend which needs to be fixed first: https://gitlab.com/sane-project/backends/-/issues/706
And there are additional patches which got merged only today (27 Sep 2023): https://gitlab.com/sane-project/backends/-/issues/707
With these patches, sane would work correctly.

You can either share the scanner with sane network capabilities itself, or you can install AirSane driverless (AirPrint) solution, as well as scanservjs web interface.

#39

Scanning / Re: Scanning after printing fa...

Last post by ValdikSS - September 27, 2023, 11:05:10

This is initially a bug in USB implementation of the scanner which is triggered in xerox_mfp backend.
Since you're using smfp, try to disble xerox_mfp (comment it with # symbol) in /etc/sane.d/dll.conf.

You can also try to connect the device to USB3 port, sometimes it works better there.

https://gitlab.com/sane-project/backends/-/issues/706

Fix for xerox_mfp is on the way.

#40

Scanning / Re: Samsung SCX-4521 Scanner d...

Last post by ValdikSS - September 27, 2023, 11:00:00

This is initially a bug in USB implementation of the scanner which is triggered in xerox_mfp backend (yes, even 10 years later).

https://gitlab.com/sane-project/backends/-/issues/706