2. Crew and functions
Usually amount of crew is 2-4
• two people adjusting color (one for each side)
• one (or one from above) adjusting folder
• one in reel stand
3. Adjusting the press
Ink feed: Color register
- manually
• either manually or
- automatically
automatically (closed
loop color system)
• can be adjusted in CD
• based on print densities
or visually on proofs
Folder
Fountain solution feed:
• total amount,
manually
• according to paper
Web speed, web tension
4. Anatomy of average print job
= Efficiency ~50-60%
Speed Average print run
~100 000 – 150 000 cps
(4-5 reels, 60 gsm)
40’ cps/h
Washing interval
~30 000 cps
~1000 cps / wash
colour ok, folder ok
20’ cps/h
~2’-5’ cps Paper waste:
• start-up: 3-5%
• washing: 2-4%
Web break • bindery: 1-2%
<4% of used • other: 2-3%
reels • Total: 8-14%
~30 min changing plates, other... Time/
Copies
5. Cost division in magazine publishing
Distri-
bution
~10%
Paper
~45%
Publishing Printing
~50% ~40% Production
~45%
Other ~10%
Payed by:
Readers Advertisers
30-70% 70-30%
