HP Designjet T2300 HP Designjet T2300 eMFP Printer series - Image Quality Trou - Page 27

Sometimes the color mismatch between adjacent modules can be enormous, showing a serious scanner malfunction, as in the following example. If this occurs, see Completely wrong colors on page 33. Scan-quality issues Actions 1. Repeat the scan or copy, setting the content type to Image, reducing the background cleaning to 0 or turning the original 90 degrees before scanning it again. 2. If the problem persists, clean and calibrate the scanner as indicated in Scanner maintenance on page 37. If calibration ended without errors, proceed to analyze again pattern number 9 and modules A through E of the diagnostic plot. 3. After analyzing pattern 9, if you see some color differences between left and right sides of the bars for neutral and vivid colors, call HP support and report "small color differences between adjacent CIS modules". Otherwise, if you see color differences for vivid colors but not for neutral colors, see Clipping in dark or light areas on page 26. If necessary, see also Grain in area fills when scanning plain paper on page 21. Vertical light lines at the intersection between CIS modules This problem can be found when scanning large uniform area fills which are made of some light color. You sometimes find light vertical bands (around 0.5 cm wide) at the intersection between two CIS modules, as in this example. Please note the black arrow indicating the scanning direction in this example. Actions 1. Repeat the scan or copy, setting the content type to Image, reducing the background cleaning to 0 or turning the original 90 degrees before scanning it again. ENWW Vertical light lines at the intersection between CIS modules 23