HP Designjet T2300 eMFP Printer series - Image Quality Troubleshooting Guide: English

3. If the problem persists:
●
If the problem appears when copying, use Best quality. We also recommend using coated or
glossy paper in order to avoid grain in copies.
●
If the problem appears in a scanned file, scan at a lower resolution (Standard quality).
4. If the problem persists, clean and calibrate the scanner as indicated in
Scanner maintenance
on page 37. Check that the maintenance sheet is also clean, and that it is not damaged before
calibrating the scanner (an old or damaged maintenance sheet may cause this problem); if it is
damaged, call HP support and ask for a new maintenance sheet.
5. If the problem persists, proceed to analyze areas 11 and 12 of the diagnostic plot across modules
A to E. In the three examples below, the top example is ideal, the middle example can be
regarded as acceptable; but, if you see something similar to the bottom example (or worse), call
HP support and report “grain in area fills”.
Small color differences between adjacent CIS
modules
When scanning wide plots, sometimes slightly different colors can be seen at both sides of the junction
between two CIS modules. This issue, if present, can be easily seen by analyzing patterns 9 of the
diagnostic plot at the intersection between CIS modules. Here are some examples. Please note the
black arrow indicating the scanning direction in these examples.
22 Chapter 3 Troubleshooting scan-quality issues ENWW
Scan-quality issues