Free introductory course
Where Color Hurts: From Makeready to Saleable Sheet
The hidden cost of inconsistency.
Course syllabus
- Anatomy of a makeready: 800 sheets, 120 minutes, €450 on the floor
- The "good copy" myth: why subjective approval is killing your margin
- Drift, contamination, fountain solution, paper batch: the four silent killers
- Self-financed automation: how reduced waste pays for the system
Course content
The full lesson, module by module
The video is the introduction. The complete written course is below, structured to match the syllabus. Read it in one sitting or come back module by module.
Take a typical B1 6-color sheetfed press, premium coated 250 g/m² paper at €1 200 per tonne. One sheet costs roughly €0.5346. A makeready that consumes 800 sheets to first good copy costs €428 in paper alone before you count anything else.
Add press time. A loaded sheetfed B1 6-color press costs €150 per hour to run, sometimes more. A 120-minute makeready burns €300 in press time. The press is not earning while it is being set up — and the operator is paid either way.
Add the smaller items: a plate change is rarely needed during makeready, but blanket washes consume cleaning solution and operator attention. Ink mileage on makeready sheets is not zero. Energy costs are not zero. Add it all up and €450–€500 per makeready is a conservative number.
Multiply by your annual volume. A press running 3 makereadies per day, 5 days per week, 45 weeks per year, completes 675 makereadies. At €450 each, that is €303 750 per year — per press — that walks off the floor as paper waste, ink waste, and press time you did not bill.
For a 3-press operation, the math triples. For a packaging shop with 8 presses across 2 sites, the annual cost of makeready is the salary of a small department. Closed-loop color management aims to reduce both the sheet count and the time, typically by 30 to 55 % in real installations. The math does the rest.
On most presses, the moment a job becomes "good" is the moment an operator decides it is good. That decision varies by operator, by shift, by mood, by how rushed the operator feels, and by what the next job in the queue looks like. None of those variables are written into the brand-owner specification.
You can see the variance in the makeready data if you collect it. Two operators on the same job, same press, same paper, on consecutive days, will produce different "first good copy" decisions. The faster operator might pass a sheet at ΔE 00 = 3.2; the more cautious operator on the next shift will not pass until ΔE 00 = 1.8. Both might be inside customer tolerance — but the slower operator spent extra paper and extra time getting there.
The cost compounds in the other direction too. A fast operator who passes ΔE 00 = 3.2 against a customer tolerance of ΔE 00 = 2.5 may push a borderline job through. Three months later, the brand owner aggregates measurements across the supply chain and asks why your average is sitting above their specification. The conversation is uncomfortable; the cost is your contract.
The fix is not to slow everyone down or to micromanage. The fix is to take the "pass / fail" decision out of subjective judgment and put it into measurement. A closed-loop system, or even a strip reader feeding a console, makes the decision the same way every time: against the same target, with the same tolerance, with the same data trail. The operator stays in charge of the press — but stops being the variance source for the color decision.
Drift is the slow movement of color over the run. Ink fountains warm up, blankets compress, papers absorb humidity, plates wear at the lead edge. None of these changes are visible sheet-to-sheet, but over 10 000 sheets the cyan can move 0.3 D and the magenta in the opposite direction. By the end of the run, an operator who matched the first sheet to the proof is no longer matching the proof at all.
Contamination is the introduction of foreign material into the ink film: blanket residue, fountain solution carryover, paper dust, dried ink from the rollers. Each contamination event shifts color slightly. A clean press is a stable press, and that is the boring truth behind most "magic" results from veteran pressrooms.
Fountain solution is its own chapter. Conductivity, pH, alcohol concentration, and temperature each affect how the ink film transfers and dries. A fountain solution that drifts out of range during the day shifts your color even when your ink keys have not moved. Many pressrooms only check fountain chemistry on Mondays — and wonder why Fridays look different.
Paper batch variability is the silent ambush. Two pallets of the same nominal paper grade from the same mill can have different surface gloss, different absorption rates, different OBA loadings. Your color profile was built against the average; an outlier batch will print outside specification even when the press is perfect. This is where measurement of the paper itself — before the run — pays for itself.
A closed-loop system catches drift in real time because it measures every sheet (or every Nth sheet) against the target. It cannot fix contamination — a wash-up is still required — but it can detect the moment contamination starts and alert the operator. Fountain and paper variability cannot be fixed by the color system, but they are easier to diagnose when the color system separates "ink-key adjustment can fix this" from "something else is going on".
A closed-loop color management system costs less than most people assume — typically a fraction of the price of the press it sits on. The capital case is built on three measurable returns: paper saved, press time recovered, and brand-owner reject reduction.
Paper saved is the most direct. A 55 % reduction in makeready sheet waste on the B1 6-color baseline above (800 sheets per makeready) saves 440 sheets per makeready, 297 000 sheets per year, around €159 000 in paper per press per year. That number alone is usually larger than the system payment within the first year.
Press time recovered is the second lever. A 38 % reduction in makeready time on a 120-minute baseline saves 46 minutes per makeready, 31 000 minutes per year, 513 hours of press time. At €150 per hour, that is €77 000 of capacity. The capacity does not appear as cash directly — it appears as the ability to take on more work without buying another press.
Reject reduction is the third lever, harder to measure but real. Closed-loop systems produce data trails that brand owners can audit. The conversation when something goes wrong becomes "here is the measurement record" instead of "we think it was fine". Reject rates fall, audit risk falls, contract renewals go smoother.
A typical installation pays for itself in 9 to 18 months on a single press, before any contract effects. The math is conservative — those numbers assume only paper and press time, and ignore the contract value of being a measurably consistent supplier. The premium course on closed-loop color goes into the full ROI methodology; this course is the warm-up.
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