Spare Logic

By Ntombifuthi Ramabulana, Ms

A quick floor note on keeping spare heads, dampers and cartridges matched to the right machine.

A stopped printer is easier to sort out when common consumables and wear parts are on hand. Spare Logic lists the practical spares large-format teams usually need around FastJET, Stormjet and Skywalker machines to avoid losing half a day to one small item.

Spare Logic is written for stock control around FastJET, Stormjet and Skywalker machines, with plain notes on which heads, dampers and cartridges must not be mixed. Teams in Gauteng, KZN and the Western Cape often keep similar-looking parts on one shelf, so the note focuses on labels, ink set pairing and box dates.

Shelf checks for spare sets

• Printer name marked on each bin
• Photo of cartridge bay and head type
• Part code and ink set written together
• Machine model and channel layout noted

Use Spare Logic alongside the ICC profile note for that printer. The profile explains output behaviour on media, while Spare Logic deals with the parts that keep ink delivery consistent. Reading both helps when a colour shift starts after a head swap or damper change.

How Spare Logic helps with Skywalker cartridge planning

Spare Logic is about keeping replacement parts tied to the correct printer. Store heads, dampers and cartridges in a way that prevents mix-ups between machines and ink configurations.

Start with the machine name, ink configuration and the consumables you actually keep in stock. In Johannesburg, dust and long production days can make capped spares and sealed dampers more important than extra software notes. Durban and Cape Town shops may need tighter storage checks where humidity and salt air affect packaging and open cartridges.

Note the setup before anything is removed from the carriage or bay. A printed tag near the printer, or a note saved with the purchase order, makes it easier to return the correct damper, head or cartridge to the correct machine. That matters most when two Skywalker units use different inks but stand in the same room.

Storage conditions that matter here

South African print rooms often share shelving between active stock and emergency spares, which is where avoidable mix-ups start. Around OR Tambo dispatch runs, Sunnyrock warehouses and Crown Mines production sites, a wrong cartridge can hold up a machine for the rest of the shift. Spare Logic focuses on separating stock by printer, ink type and part number before the rush begins.

Coastal humidity can shorten the time opened consumables stay tidy and readable, especially where labels start lifting. Inland dust makes sealed storage, capped fittings and regular wipe-downs more important around sensors and carriage areas. Load-shedding also changes when staff do checks, so the page leans on visible labels and simple shelf rules that still work after a restart.

Operated by Astros Marketing (Pty) Ltd from 2 Makro Place, Sunnyrock 1401.