R
rossdorothySep 12, 2025
What to do if TSC Printer status shows 'Head Open'?
- HHeather PerkinsSep 12, 2025
If the printer status from DiagTool shows “Head Open”, close the media cover.

What to do if TSC Printer status shows 'Head Open'?
If the printer status from DiagTool shows “Head Open”, close the media cover.
What to do if my TSC TDM-20 status from DiagTool shows “Paper Jam”?
If your TSC Printer status from DiagTool indicates a “Paper Jam,” it could be due to several factors: * The black mark sensor might not be properly calibrated, so calibrate it. * The media size might not be set properly, so ensure you set the correct media size. * Media might be stuck inside the printer mechanism, so clean the printer mechanism.
What to do if my TSC Printer status from DiagTool shows “Out of Paper”?
If the DiagTool shows an “Out of Paper” status for your TSC Printer, here are a few possible reasons: * You might be running out of media roll, so supply a new media roll. * The media might be installed incorrectly. Please refer to the steps on section 3.4 to reinstall the media roll. * The black mark sensor may not be calibrated, so calibrate the black mark sensor.
How to fix missing printing on the left or right side of TSC Printer label?
If your TSC Printer is missing printing on the left or right side of the label, it is likely due to a wrong label size setup. Set the correct label size.
What to do if my TSC TDM-20 Printer status from DiagTool shows “Head Open”?
If the DiagTool shows a “Head Open” status for your TSC Printer, the media cover is likely open. Please close the media cover.
Why is the print quality poor on my TSC TDM-20?
Poor print quality can occur if the media cover isn't fully latched. Ensure both the right and left sides of the media cover are securely latched. Also, dust or adhesive on the print head can cause this issue, so clean the print head. Adjusting the print density and print speed may also improve the quality. If the print head element is damaged, run a printer self-test to check the print head test pattern for missing dots. Finally, ensure you are using the correct media roll.
How to get rid of gray line on blank label from TSC Printer?
If you're seeing a gray line on blank labels from your TSC Printer, it's likely due to: * A dirty print head, so clean the print head. * A dirty platen roller, so clean the platen roller.
Why is my TSC TDM-20 Printer printing irregularly?
If your TSC printer is printing irregularly, it might be in Hex Dump mode. Turn off and on the printer to exit the dump mode.
Why is there a gray line on the label from my TSC TDM-20 Printer?
If you see a gray line on the blank label from your TSC printer, the print head or the platen roller is likely dirty. Clean the print head and the platen roller.
Why is my TSC TDM-20 Printer missing printing on the side of the label?
If you're missing printing on the left or right side of the label with your TSC printer, it's likely due to a wrong label size setup. Set the correct label size to resolve this issue.