Printer troubleshooting technician providing live chat help

Joe B.

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Specialities: Radiology PACS, DICOM print, Windows color management, ICC profiles, medical dry film and color printers

Fix “radiology image viewer prints purple tint” — correct color profile, disable double color management, repair DICOM print jobs

Technician avatar Technician
Hey there — we can definitely help with your radiology image viewer printing with a purple tint. That kind of magenta cast on CT, MR, or CR images usually comes from how the DICOM viewer handles color profiles and how the printer driver or DICOM film printer interprets those profiles. I want to narrow this down quickly: which PACS / radiology image viewer are you using, are you printing via a Windows printer driver or a dedicated DICOM film printer, and are these supposed to be grayscale studies (CT, MR, CR/DR) or full-color images (ultrasound, nuclear, etc.)?
Customer
We’re a small radiology clinic using a PACS viewer on Windows. When we print from the radiology image viewer to our network color laser, all the images have a purple tint. They look neutral on screen, but the printed films and paper reports are magenta. Mostly grayscale CT and MR, not color ultrasound.
Technician avatar Technician
Got it, thanks — that sounds like a classic color profile / color management conflict between the PACS viewer, Windows, and the printer driver. When a radiology image viewer prints purple tint but the same DICOM images look fine on screen, it’s almost never the scanner or modality. Instead, one of these is happening:

• The viewer is sending images tagged as sRGB, but the printer is treating them as another color space.
• Both the viewer and printer driver are applying color management (double color management).
• The Windows ICC profile for the printer or display is corrupted, causing magenta shift for neutral grays.

We’ll fix this by checking Windows Color Management, the printer ICC profile, and the viewer’s print settings so that one device controls the color profile and the others pass data through without altering it.
Customer
We print from the PACS viewer directly to a shared Windows printer queue on the server. It’s an HP color laser. Other apps like Word or PDFs print with normal colors. The purple tint really shows on radiology images, especially the lungs and soft tissue.
Technician avatar Technician
That’s a good clue — if Office and PDF prints are fine, but the PACS viewer prints everything with a magenta or purple hue, the viewer and printer disagree about which color profile to use for those DICOM images.

On the print server, open Devices and Printers → right-click the HP queue → Printing Preferences. Look for a tab called Color or Color Management. In many drivers you’ll see options like:
• “Printer manages colors” vs “Application manages colors”
• ICC profile selection (sRGB, Adobe RGB, custom profile)
• Photo / Graphics modes that boost magenta

For radiology, you usually want the radiology image viewer to manage the grayscale/tonal mapping, and the printer driver to be as neutral as possible. So we typically set the driver to no additional color correction or “let application manage colors” and choose a standard sRGB or neutral profile, not a vivid/photo mode that adds purple saturation.
Customer
I checked the printer, and it’s using the default HP driver. The PACS has a print dialog with options for color or grayscale, but I don’t see anything that literally says color profile. Is this in Windows Color Management instead?
Technician avatar Technician
Exactly — a lot of the purple tint printing issues are hidden in Windows Color Management, not the PACS UI. On the PACS workstation or print server:

1) Open Control Panel → Color Management.
2) On the Devices tab, pick your HP printer from the drop-down list.
3) If you see a custom ICC/ICM color profile attached to that printer, remove or temporarily disable it and set the device back to a standard profile (often sRGB or “System default”).

A corrupted or mismatched ICC profile here can cause radiology images to print with a purple or magenta cast, even while simple office documents look okay. Resetting the printer’s color profile and letting the viewer send straightforward sRGB or grayscale data usually brings the tones back to neutral.
Customer
These are mostly grayscale CT and MR studies, but on paper they look like a light magenta filter is over everything. Does this have anything to do with DICOM calibration or the GSDF curve?
Technician avatar Technician
Great question. DICOM Part 14 GSDF primarily defines how grayscale should appear on a diagnostic display, not on an office printer. But when a PACS or radiology viewer prints GSDF-processed images through a standard CMYK printer, that data still goes through a color pipeline.

If the workstation or printer is using the wrong ICC profile or a “photo enhancement” mode, it can skew neutral grays toward purple. This is especially visible in lung windows or brain images where very small shifts in gray balance show up as magenta or green tints.

So yes, it’s related: the viewer applies its contrast and window/level, but the Windows color management and printer profile decide how those grayscale values map into CMYK inks or toner. Our goal is to keep that mapping neutral by fixing the color profile and avoiding extra “enhancement” stages.
Customer
We also have a dedicated DICOM film printer in another room. That one prints closer to what you see on screen, no purple tint. It’s just the regular network printer in the reading room that’s off. Should we change drivers or just color settings?
Technician avatar Technician
The fact that the DICOM film printer looks correct tells us the PACS rendering is fine — the problem is limited to the Windows network color printer and its profile.

Here’s the usual sequence to clear a purple or magenta tint:
1) On the print server, open the printer’s Printing Preferences and set Color Management so the application manages colors or turn off extra color corrections.
2) In Windows Color Management, remove any custom printer ICC profile and revert to a standard profile.
3) Make sure the driver is the vendor-recommended driver (not a generic class driver) and, if possible, use a **PostScript** or “PCL6” driver instead of legacy options.
4) Print a test series from the radiology image viewer using the same exam and compare before/after.

We start with these color profile settings and only consider a full driver change if the purple hue persists.
Customer
Could this be bad toner or missing yellow? One of our techs mentioned that printers can print purple if one color is low. I want to make sure it’s really a color profile problem and not hardware.
Technician avatar Technician
Good call — we should rule that out. A failing yellow toner or clogged ink channel can absolutely make prints look purple, because you’re effectively printing with cyan + magenta and very little yellow.

Quick check:
• Print the printer’s own configuration / demo page from its front panel.
• Print a simple test page with color bars (CMYK) from Windows.

If those pages also look purple or are missing yellow, you have a hardware/consumable issue. But if the test pages look normal and only radiology images from the PACS viewer print with a purple tint, then it’s almost certainly color profile and color management, not toner. That’s when resetting ICC profiles and disabling extra color corrections in the driver fixes the problem.
Customer
The printer’s test page looks normal. Only the PACS viewer output has the purple cast. If we switch the HP driver to a different model, like PostScript instead of PCL, will that change the color profile behavior?
Technician avatar Technician
Yes, that can help a lot. Different drivers handle ICC profiles and grayscale conversion differently. Here’s a safe way to test without breaking anything:

• Leave your existing queue intact for daily work.
• Create a second queue for the same device using an HP PostScript or vendor “full feature” driver.
• On a test workstation, point the radiology image viewer to the new queue and print the same exam.

If the purple tint disappears on the new driver after you set neutral color management (application-managed, standard sRGB), that tells us the old driver or its profile was the cause. At that point you can migrate users to the better-behaved queue and document the color profile settings so future upgrades don’t reintroduce the magenta cast on radiology prints.
Customer
We reset the printer’s ICC profile in Windows Color Management and changed the driver setting so the application manages color. After that, the radiology images printed neutral again, no purple tint. Anything else we should lock down so it stays fixed?
Technician avatar Technician
Perfect — that confirms it was a color profile / color management issue, not the PACS or hardware. To keep your radiology image viewer from printing purple tint in the future:
• Document the current Windows Color Management settings and printer ICC profile.
• Standardize on one driver (PCL or PostScript) and disable extra “photo enhancement” or vivid modes for PACS queues.
• Avoid installing random third-party color profiles on radiology workstations without testing on sample CT/MR cases.

Summary: When a radiology image viewer prints purple tint, the fastest fix is to reset the printer’s ICC profile, let the application manage colors, and test with a clean vendor driver. Need help checking your PACS workstations and radiology printers across the department? Open the chat and an expert will walk you through it live.

Quick answer: the accepted fix

Accepted fix when a radiology image viewer prints purple tint: reset the printer’s ICC color profile in Windows Color Management, set the driver so the application manages colors or uses a neutral sRGB profile, turn off extra photo/vivid modes, then reprint the DICOM study to confirm CT/MR images look neutral without magenta cast.

Why radiology images print with a purple or magenta tint

When radiology images print with a purple or magenta tint, it’s usually not a PACS bug. Most of the time, a Windows color profile or printer driver setting is pushing neutral grays toward magenta. A mismatched ICC profile, double color management between the DICOM viewer and the driver, or a “vivid photo” mode can all cause CT, MR, and CR/DR images to print with a purple hue, even though they look normal on a calibrated diagnostic display.

How to verify the color profile fix on PACS and radiology printers

After changing color settings, print the same DICOM exam to both your radiology image viewer’s network printer and (if available) your DICOM film printer. Compare the soft tissue and bone windows side by side. If the purple tint disappears and the grayscale ramps match visually, your color profile and printer driver are now aligned. You can also print a standardized grayscale test pattern from the PACS to confirm that neutral steps stay neutral across the whole tonal range.

Radiology printing — quick tips for purple tint and color profile issues

Most purple or magenta casts come from color management, not the PACS.

Quick path: confirm the printer’s own test pages look normal → reset the printer ICC profile in Windows Color Management → set the driver so the radiology image viewer manages color or uses a neutral sRGB profile → turn off vivid/photo enhancement modes → test again with a known CT or MR case to be sure the purple tint is gone.

Disclaimer: This information is AI-generated and intended for general guidance only. For decisions affecting patient care and diagnostic workflows, please consult a verified expert on Whizz-Tech before making changes to clinical systems.

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FAQ

Why does my radiology image viewer print with a purple or magenta tint?

When a radiology image viewer prints purple tint, it’s usually caused by color management or ICC profile issues in Windows or the printer driver. A mismatched printer profile or vivid color mode can shift neutral grays toward magenta even if the DICOM images look normal on screen.

How do I fix purple tint on PACS printouts without replacing the printer?

First verify the printer’s own test page looks normal. Then reset the printer ICC profile in Windows Color Management and set the driver so the PACS application manages color or uses a neutral sRGB profile. Disable extra photo enhancement modes and test again from the radiology viewer.

Do I need to recalibrate my diagnostic monitor to fix purple prints?

A proper DICOM-calibrated display is important, but a purple tint on printed radiology images is usually in the printer color profile, not the monitor. Fix the printer’s ICC profile and color management first; consider full PACS display calibration separately for on-screen consistency.

Will changing the printer driver affect other hospital applications?

Switching to a stable vendor PCL or PostScript driver with neutral color settings should improve all applications that print medical images. Always test on a non-production queue with a few radiology cases and common office documents before rolling changes out to all users.

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