Short, punchy lines to make people smile while they wait.
A: No, the print head is broken. If the "Font Struk SPBU" looks like half the letter is missing (vertical lines white), the printer has dead pins. You cannot fix this with software; the station needs to replace the printer head. Font Struk Spbu
A: This usually happens during the "Shift Change" or "Test Mode." If the printer runs out of memory, it defaults to a basic internal font. Also, different fuel brands use different firmware: Short, punchy lines to make people smile while they wait
If you look at any receipt from Pertamina (the most common SPBU), you aren't looking at Helvetica, Arial, or even standard Unicode fonts. You are looking at the raw output of ESC/POS (Epson Standard Code for Printers) thermal printing. A: No, the print head is broken
The actual font: Usually Font A (12x24 pixels) or Font B (9x17 pixels) .
Older stations use impact printers. A print head strikes a ribbon against the paper.