13. Enable/Disable SCAPA The purpose of this Service Utility is to enable or disable the Scan Axis Pen Alignment (SCAPA) process which is used as a compensation/adjustment factor during the printhead alignment. The advantage of this process is that it allows the printhead alignment to be carried out at the beginning of the roll (during the first 3 meters). Perform the Enable/Disable SCAPA utility as follows: 1. In the Service Utilities submenu, scroll to “Enable/Disable SCAPA” and press Enter . 2. The Printer checks the current state of the SCAPA and prompts you to enable it if it is disabled or to disable it if it is enabled. 3. Make you selection and press Enter . 4.
The selection is made and OK is displayed. 14. Spectrophotometer test (Colormeter test) Tests and Utilities This test can check that the Spectrophotometer is functioning within predefined color specifications. The test involves measuring the lightness of the white of the paper. NOTE: To perform this test correctly the printer must have the latest firmware available. 1. Make sure that the paper loaded is compatible with the Spectrophotometer test, there are certain types of media which cannot be used for this type of test. The best results can be acheivied by using HP Universal Instant dry Gloss, use the part number Q1273-60232. With this test there are other media that you can use:
• HP Bright White • HP Premium Instant Dry Gloss • HP Premium Instant Dry Photo Satin • HP Universal Coated • HP Universal Heavyweight Coated 148 Chapter 4 Service Tests and Utilities