Bug#1039983: Color Laser-Printer does only print in greyscale after upgrade to Debian 12

[Debian <debian@decotrain.de>]

Package: cups
Version: 2.4.2-3+deb12u1
Severity: important

Dear Maintainer,

here is the same problem with a Kyocera ECOSYS P5021cdw that works 
perfectly in Debian 11, but with the same settings after the upgrade to 
Debian 12 it is only possible to print in greyscales.
Every settings are set to color but it is only possible to print in 
black and greyscales!


-- System Information:
Debian Release: 12.0
 APT prefers stable-security
 APT policy: (500, 'stable-security'), (500, 'proposed-updates'), (500, 
'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.1.0-10-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE 
not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cups depends on:
ii  cups-client            2.4.2-3+deb12u1
ii  cups-common            2.4.2-3+deb12u1
ii  cups-core-drivers      2.4.2-3+deb12u1
ii  cups-daemon            2.4.2-3+deb12u1

ii  cups-filters           1.28.17-3
ii  cups-ppdc              2.4.2-3+deb12u1
ii  cups-server-common     2.4.2-3+deb12u1
ii  debconf [debconf-2.0]  1.5.82
ii  ghostscript            10.0.0~dfsg-11+deb12u1
ii  libavahi-client3       0.8-10
ii  libavahi-common3       0.8-10
ii  libc6                  2.36-9+deb12u1
ii  libcups2               2.4.2-3+deb12u1
ii  libgcc-s1              12.2.0-14
ii  libstdc++6             12.2.0-14
ii  libusb-1.0-0           2:1.0.26-1
ii  poppler-utils          22.12.0-2+b1
ii  procps                 2:4.0.2-3