@sander.loones Some ideas for setting Job Ticket job-sheets in a .ppde file.
# start-sheet: the '+' prefix makes the 'none' option
# available for Job Ticket Operator only.
*SPJobTicket/Set: org.savapage-job-sheets \
+none \
*job-start-sheet
# A4 and A3 sheets
*SPJobTicket/Set: org.savapage-job-sheets-media \
*iso_a4_210x297mm \
iso_a3_297x420mm
# A4 sheet cost
*SPJobTicket/Set/Cost: 0.0550 banner-A4 \
org.savapage-job-sheets/!none \
org.savapage-job-sheets-media/iso_a4_210x297mm
# A3 sheet cost
*SPJobTicket/Set/Cost: 0.1100 banner-A3 \
org.savapage-job-sheets/!none \
org.savapage-job-sheets-media/iso_a3_297x420mm
# Force A4 sheet for A4 media
*SPConstraint: job-sheets-media-a4 \
media/iso_a4_210x297mm \
org.savapage-job-sheets-media/!iso_a4_210x297mm
# Force A3 sheet for A3 media
*SPConstraint: job-sheets-media-a3 \
media/iso_a3_297x420mm \
org.savapage-job-sheets-media/!iso_a3_297x420mm