NWP GT3200 Wall Printer Pre-Print Setup Guide: Steps for Incredible Prints and Reliable Performance.
- Mark Eidelkind

- Mar 1
- 3 min read
Proper setup and leveling of your NWP GT3200 wall printer is the most important step in achieving sharp, professional wall prints. Whether you're printing murals, commercial graphics, or custom interior artwork, even small setup errors can lead to banding, blurry images, and alignment problems.
This guide will explain how to properly prepare your NWP GT3200 wall printer to ensure the best possible print quality.
Why Proper Wall Printer Setup and Leveling Matters
Wall printers rely on precise mechanical movement and consistent print head spacing. If your tracks or printer are not level, the print head distance from the wall will vary, resulting in possible:
Vertical banding
Blurry or soft images
Uneven ink coverage
Misaligned print passes
Reduced print quality
Proper setup ensures consistent ink placement and professional results.
Step 1: Set Up the Wall Printer Tracks on Stable, Level Ground
Your tracks are the foundation of the entire printing system. Always place the tracks on:
Solid, stable ground
A surface that does not flex or shift
Even flooring whenever possible
Use a bubble level or digital level to ensure the tracks are level in:
Left-to-right direction
Front-to-back direction
If the tracks are not level, or misaligned, the printer will travel unevenly, causing visible print defects.
Make sure your tracks are connected with no space at connection points. The top rails and gear tooth are movable. Just loosen screws along the entire section just enough to be loose. Push the section closer together with the other section and re-tighten.

Taking time to level your tracks properly is one of the most important steps in wall printer setup.
Step 2: Mount the Printer and Re-Check Leveling
After installing the NWP GT3200 onto the tracks make sure the printer moves freely without obstruction.Then after installing the gear tooth drive motor, you must re-check that the printer
itself is level. Always make sure the geartooth motor is completely set in the gear tooth track nice and firm with solid contact on all teeth.
Check leveling on:
The printer base
Horizontal beam
Vertical frame
This ensures smooth carriage movement and consistent print head spacing. Even small leveling errors can reduce print clarity and consistency.
Step 3: Temperature and Spray Test to Check Nozzle Performance
Before every print, be sure the print head temperature is at least 28 celsius check this in the maintenance tab. You can use a space heater to get this result faster. Allowing the print head and dampers to reach desired temp will allow the ink to flow easier through the print head. UV ink is more viscous at colder temperatures.

perform a spray test. Hold a lint free cloth close to the print head and tap Spray. A series of lines will spray onto the cloth.

This test verifies:
Proper ink flow
Fully functioning nozzles
No clogging or interruptions
A proper spray test will show 4 consistent lines.
If missing lines are present, run a cleaning cycle until the spray test is perfect. This ensures your print head is ready for production.
Step 4: Print Test Boxes to Confirm Ink Consistency
Test boxes help verify even ink output across all colors. Your TEST Print test boxes will show results for:
White
Cyan
Magenta
Yellow
Black
Check that each box shows:
Solid fill
No missing sections
No banding
Even coverage
Test boxes confirm proper ink delivery and print readiness.
Step 5: Perform Bidirectional Compensation Alignment
The NWP GT3200 prints in both directions to increase speed and efficiency. Printing unidirectionally will perform higher quality print but the print time is drastically affected. You can get great looking prints using the bi-directional option as long as your prep and maintenance are solid. Bi directional printing speeds up print times dramatically thus increasing profit.
However, improper bidirectional alignment can cause:
Ghosting (left pic)
Double images
Blurry edges

Running bidirectional compensation ensures the upward and downward passes align perfectly. This produces sharp, professional-quality prints.
Step 6: Clean and Inspect UV Lamps
UV lamps cure the ink instantly during printing. Dirty UV lamps can cause:
Poor curing
Smudging
Reduced durability
Inspect and clean UV lamps regularly to ensure proper curing performance. Using isopropyl alcohol and lint free cloth. Do this after every print.
Step 7: Keep the Print Head Clean and Free of Debris
The print head is the most critical component of your wall printer. Always check for:
Dust
Ink buildup
Debris
Contamination can cause clogs and reduce print quality.
Regular inspection helps prevent expensive repairs. Never use anything abrasive near or on your print head. Always use a soft lint free cloth when wiping the print head and surrounding area.
Additional Tips to Improve Wall Printer Print Quality
Ensure Consistent Distance from the Wall
The print head must maintain a consistent distance from the print surface for optimal results. 5mm is recommended for consistent results. 3mm gets the best resolution but the GT3200 will print acceptable prints up to 10mm distance from the wall.
Use Proper Pass Settings
Higher pass settings improve image quality and reduce visible banding but also extend print times. Spot color images and logos are almost always fine at 8 pass.
Maintain a Stable Environment
Avoid extreme temperature or humidity changes that can affect ink performance.
Minimum temp for quality results is 65 degrees Fahrenheit. DO NOT exceed temps of 95 degrees.
Perform Regular Maintenance
Routine maintenance ensures long-term reliability and consistent output.
Conclusion: Proper Setup Ensures Professional Wall Printing Results
You can always run a small test print to get the ink moving as well. If your test print is looking good you will be good to go. The key to getting the best results from your NWP GT3200 wall printer is proper preparation.
Always:
Level the tracks
Level the printer
Run spray tests
Print test boxes
Perform bidirectional alignment
Clean UV lamps
Inspect the print head
These steps ensure consistent, high-quality prints and long-term printer performance.


Comments