Specs
Night Shift specs
Checks, settings and machine limits for Night Shift runs.
Before lights-out print checks
The Night Shift specs page sets out the checks that matter before unattended production starts. It covers machine condition, roll handling, heater behaviour and other setup points that can turn a clean daytime file into a wasted night run.
Start with the loaded roll, the active pass mode and the heater targets that held during the day. Night work on FastJET, Stormjet and Skywalker units needs extra attention on take-up tension, head height and whether overnight temperature drop will change ink laydown. A profile only helps if the printer can repeat it for six or eight unattended hours.
Record one reference print before the operator leaves the site. Include nozzle condition, left and right margin tracking, and a photo of the control panel so the next person can see the exact Night Shift setup. That note is far more useful at 02:00 than a loose memory of what looked fine at handover.
Night run sheet contents
Expect notes on media advance, vacuum behaviour, heater stability and cartridge position where that affects colour consistency. The aim is to keep one repeatable setup attached to the job, not several half-tested options.
Check the linked Profiles, compare the relevant Presses entry, and confirm the Swatches reference before extending a proven setup to another media code. For any query sent through the contact form, include the printer name, ink set and the values from the Night Shift run screen.
- Roll tension checked before shift handover
- Nozzle pattern saved with first proof
- Cartridge position notes for overnight jobs
Conditions that change overnight output
Johannesburg winter nights can pull room temperature down enough to alter curing and gloss on a long run. Durban humidity can change how certain media feeds after midnight, especially when a roll has been opened earlier in the day. These specs are written for working sites, not display-only machines.
Power interruptions matter because a resumed job may not match the print made before the stop. Dust on inland sites can also show up as strike risk if the machine was cleaned too lightly before handover. Coastal shops often need shorter checking intervals around wipers and capping parts when the air stays damp.
Operated by Astros Marketing (Pty) Ltd from 2 Makro Place, Sunnyrock 1401.
What to log at handover
Use Night Shift for after-hours production where stable colour, clear cartridge notes and fewer operator changes are the priority.
Keep the Night Shift sheet with the job record, test strip and any density changes made after the afternoon setup. When a colour query comes back the next morning, those notes show whether the issue started with media, machine condition or the overnight settings used.
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