hplip 3.20 missing libImageProcessor.so()(64bit)

Asked by Tom Stanton on 2020-11-05

I am having trouble installing hplip-3.20.9-RHEL7-x86_64.rpm (I need HPLIP 3.18.9 or later for the HP LaserJet Pro M118dw printer.)

After installing hplip-3.20.9-RHEL7-x86_64.rpm, yum informs that libImageProcessor.so()(64bit) is required but missing. (I understand this is because libImageProcessor.so()(64bit) is not open source.)

I then ran the command "sudo rpm -ivh --force --nodeps hplip-3.20.9-RHEL7-x86_64.rpm", as suggested in response to a previous question #674828. It completed without error

Though the "hp-setup" utility previous ran (under hplip.x86_64 3.15.9-5.el7) without problems (except that the needed printer driver was missing), I now get the following errors.

Traceback (most recent call last):
  File "/usr/bin/hp-setup", line 48, in <module>
    from base import device, utils, tui, models, module, services, os_utils
  File "/usr/share/hplip/base/device.py", line 42, in <module>
    from . import status
  File "/usr/share/hplip/base/status.py", line 33, in <module>
    import cupsext
ImportError: libavahi-core.so.7: cannot open shared object file: No such file or directory

What can I do to fix this or at least get back to were I was when hp-setup ran without trouble?

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brian_p (claremont102) said : #1

> ...(I need HPLIP 3.18.9 or later for the HP LaserJet Pro M118dw printer.)

No you don't. See




Tom Stanton (freezeframer) said : #2

Thanks brian_p
My understanding is that CUPS is that you configure CUPS on a print server and the clients do not need to have a local printer driver, only the print server. So I still need the driver. The client in my case is my laptop. Even if I configured it with CUPS as a print server I would still need the actual driver. Am I correct?

brian_p (claremont102) said : #3

With a wireless connection between the M118dw and the laptop the
M118dw will be advertising that it will accept jobs in Apple raster
format. CUPS + cups-filters on the laptop can generate Apple
raster to send to the M118dw.

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