QC Testing your Scanner Calibration

Note: This is part of a series of Scanning Guides. Start HERE.

Place a copy of your calibrated .icc profile in the correct location for Photoshop to access.

• Windows: c:\Windows\System32\spool\drivers\color
• macOS: /Library/ColorSync/Profiles

Open the scan of your RAW .tiff image in Photoshop. It should look dark, like this:

In the main Photoshop menu, choose: Edit > Assign Profile > VueScan Device Profile (or appropriately named profile). Once applied, it should look similar to this:

Since the bottom left square should be true white, when you eyedrop a few of the random places on it, the eye dropper should lean towards different colors each time (SLIGHTLY). This randomized deviance of hues accounts for a non-bias towards any one particular hue:

If the white square shows no hue bias, you've done everything correctly!