How to Increase Print Darkness on PAX S80
To make your PAX S80 print darker, you need to adjust the thermal printer density. The S80 doesn’t label it as “darkness,” but the setting is inside the Receipt Print menu under Operation Settings. This is confirmed by the same menu path used for font and receipt adjustments on the S80 faq.paysafe.com vizypay.zendesk.com.
✅ How to Increase Print Darkness on PAX S80
Follow this exact path on the terminal:
- Press
MENU - Select OPERATION SETTINGS
- Select RECEIPT PRINT
- Enter the password (usually 1234, 123456, or provided by processor)
- Look for:
- Print Density
- Darkness
- Print Contrast
- Thermal Settings
- Increase the value by one step at a time
(Too high = smudging or overheating)
If your S80 software version doesn’t show “Density,” it may be under FONT SIZE or RECEIPT PRINT sub‑options depending on processor firmware.
🔧 If the print is still too light
Try these additional fixes:
1. Flip the thermal paper roll
Thermal paper only prints on one side.
Scratch the paper with your fingernail — the side that marks is the correct side.
2. Use higher‑quality thermal paper
Cheap paper prints lighter and fades quickly.
3. Clean the print head
Use 70%+ isopropyl alcohol on a lint‑free swab.
A dirty head = weak printing.
4. Reboot the terminal
Hold the power button → restart.
Want me to walk you through the exact menu based on your firmware version?
If you can tell me what options you see under RECEIPT PRINT, I’ll pinpoint the exact setting.

