Dec 17, 2019 7:33 PM
Update December 2019
Mac-only model USA-28x twin serial adapter: SE108-USBSERA Cross-platform model USA-19HS (Replaces model USA-19QW): SE108-USBSERDB9 The information below is intended to try and lend some clarity to this often confusing subject, and show some selected testing of the various models of Keyspan adapters with different software products. I am unable to install the Keyspan driver on Mac OS X 10.13. There is a new feature in Mac OS X 10.13 that imposes a new level of security for the installation of 3rd party drivers. About half way through the Keyspan driver installation, the new OS puts up a prompt telling the user that they can't proceed until they provide explicit. I am unable to install the Keyspan driver on Mac OS X 10.13. There is a new feature in Mac OS X 10.13 that imposes a new level of security for the installation of 3rd party drivers. About half way through the Keyspan driver installation, the new OS puts up a prompt telling the user that they can't proceed until they provide explicit.
The ImageWriter continues to work with macOS 10.15 'Catalina'. Finereader free for mac.
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Some setbacks occurred that have since been addressed, thanks to Grant Bennet-Alder, etresoft (especially etresoft!) and interested others as documented in this Discussion: 32-bit ghostscript, required for ImageWriter and other printers using CUPS.
The first obstacle was that Catalina removed all support for 32-bit executables. However, compiling the existing ghostscript 8.71 source code results in a 64 bit executable, which (at least as of this writing) can be downloaded here:
- This package is signed and notarized by Etresoft, Inc. who retains the sole ability to remove it at will, so it's not possible to guarantee it will be available forever. In that unfortunate event one would need to obtain his or her own developer account and codesigning ability.
The second obstacle was that the ImageWriter devices were removed at some point in Ghostscript's development. Happily, Artifex agreed to re-introduce the ImageWriter devices in the current Ghostscript release, here:
The reason they were removed to begin with appears to have been lack of interest. Installing the latest Ghostscript release isn't required unless justified for reasons beyond merely using ImageWriter printers.
Other links that may be helpful:
The ImageWriter continues to work with macOS 10.15 'Catalina'. Finereader free for mac.
Keyspan Usa 28xb Drivers
Some setbacks occurred that have since been addressed, thanks to Grant Bennet-Alder, etresoft (especially etresoft!) and interested others as documented in this Discussion: 32-bit ghostscript, required for ImageWriter and other printers using CUPS.
The first obstacle was that Catalina removed all support for 32-bit executables. However, compiling the existing ghostscript 8.71 source code results in a 64 bit executable, which (at least as of this writing) can be downloaded here:
- This package is signed and notarized by Etresoft, Inc. who retains the sole ability to remove it at will, so it's not possible to guarantee it will be available forever. In that unfortunate event one would need to obtain his or her own developer account and codesigning ability.
The second obstacle was that the ImageWriter devices were removed at some point in Ghostscript's development. Happily, Artifex agreed to re-introduce the ImageWriter devices in the current Ghostscript release, here:
The reason they were removed to begin with appears to have been lack of interest. Installing the latest Ghostscript release isn't required unless justified for reasons beyond merely using ImageWriter printers.
Other links that may be helpful:
Summary: macOS upgrades do not break existing ImageWriter drivers—however—Ghostscript needs to be upgraded to 64-bit. To make it work, download and install Mr. Etresoft's package, or compile gs yourself from its source. The latter option can include the latest Ghostscript version, provided those devices are not removed again.
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Why did I not simply edit the User Tip with these observations? Recent ASC changes impose significant limitations on formatting and the number of images it can contain.
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Dec 17, 2019 7:33 PM
