: Use the density test and shadow detail strips to identify failing toner or clogged thermal heads.
Three squares showing "Text over Solid Background." This tests how well your printer handles sharp edges. If black text on a yellow background has a ghosting shadow or "halo," your print head is misaligned vertically. printer test v5.1c
Do not fall into these traps:
Ensure the thermal printer is powered on, connected to the computer via USB, and loaded with paper. Open Tool: Printer Test V5.1C application from the driver installation package. Setup Check: Ensure the "POS-80C" (or relevant model) is selected. Testing/Configuration: : Use the density test and shadow detail