HP Designjet T2500

Colors are fading ............................................................................................................................................... 195
The image is incomplete (clipped at the bottom) ............................................................................................. 195
The image is clipped .......................................................................................................................................... 195
Some objects are missing from the printed image ........................................................................................... 196
A PDF file is clipped or objects are missing ....................................................................................................... 196
The Image Diagnostics Print ............................................................................................................................. 196
If you still have a problem ................................................................................................................................. 198
22 Troubleshooting scanner issues ................................................................................................................ 200
Cannot access the network folder .................................................................................................................... 200
Scanning to file is slow ...................................................................................................................................... 200
23 Troubleshooting scan-quality issues ......................................................................................................... 201
Random vertical lines ........................................................................................................................................ 202
Wrinkles or folds ................................................................................................................................................ 202
Line discontinuities ............................................................................................................................................ 203
Grain in area fills when scanning plain paper ................................................................................................... 204
Small color differences between adjacent CIS modules .................................................................................. 205
Vertical light lines at the intersection between CIS modules ........................................................................... 206
Variable line thickness or missing lines ............................................................................................................ 207
Inaccurately reproduced colors ........................................................................................................................ 207
Color fringing ..................................................................................................................................................... 208
Clipping in dark or light areas ........................................................................................................................... 208
Flare in the image when scanning glossy originals .......................................................................................... 210
Vertical red and green bands over white or black background ........................................................................ 210
The stop-start effect ......................................................................................................................................... 210
Vibration ............................................................................................................................................................ 211
Horizontal periodical banding ........................................................................................................................... 212
Defocus, blurring and fading colors .................................................................................................................. 212
Incorrect paper advance, skew during scanning, or horizontal wrinkles ........................................................ 214
Vertical black band 20 cm wide ......................................................................................................................... 215
The scanner damages some originals .............................................................................................................. 216
Completely wrong colors .................................................................................................................................. 216
Vertical distortion .............................................................................................................................................. 217
Object replication (ghosting) ............................................................................................................................. 217
Clipping or incorrect scale factor when down-scaling in copies and prints ..................................................... 218
Incorrect edge detection, mostly when scanning tracing paper ...................................................................... 218
A copied or scanned image is very skewed ....................................................................................................... 219
24 The scanner diagnostic plot ...................................................................................................................... 220
Prepare the printer and the paper to print the diagnostic sheet ..................................................................... 221
Visual check for errors while printing the diagnostic sheet ............................................................................. 221
Scan or copy the diagnostic plot ....................................................................................................................... 224
viii ENWW