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Bug 884713 - net-print/hplip: no grayscale printing with ColorLaserJet MFP M278-M281 (hp-color_laserjet_mfp_m278-m281-ps.ppd defective)
Summary: net-print/hplip: no grayscale printing with ColorLaserJet MFP M278-M281 (hp-c...
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal major (vote)
Assignee: Daniel Pielmeier
Keywords: PATCH
Depends on:
Reported: 2022-12-07 15:44 UTC by riepernet
Modified: 2022-12-07 15:49 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

working ppd from Opensuse (hp-color_laserjet_mfp_m278-m281-ps.ppd,106.55 KB, text/plain)
2022-12-07 15:44 UTC, riepernet

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Description riepernet 2022-12-07 15:44:29 UTC
Created attachment 840647 [details]
working ppd from Opensuse

Even though I switch to grayscale printing, the page is printed in color anyway.
The hp-color_laserjet_mfp_m278-m281-ps.ppd file seems to be faulty as described in the bug report for arch:

A notable difference, in fact the one that breaks my workflow is that the *HPPJLColorAsGray strings are both "%%" either for the True and the False case in the arch version of the file, while in ubuntu the string for the True case is a PJL command "@PJL SET GRAYSCALE=COMPOSITE<0A>"

I loaded the ppd from 'OpenSuSE Leap 15.3 for x86_64' (hplip-3.20.11-2.1.x86_64.rpm) and am now able to switch between color and black.

Due to the high costs of cymk-cartridges I've chosen major serverity.
Comment 1 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-12-07 15:49:44 UTC
(I'll add 'PATCH' as a keyword as it's close enough.)