22
Troubleshooting scanner issues
................................................................................................................
199
Cannot access the network folder or HP Designjet SmartStream (if installed as an accessory)
.....................
199
Scanning to file is slow
......................................................................................................................................
199
23
Troubleshooting scan-quality issues
.........................................................................................................
200
Random vertical lines
........................................................................................................................................
201
Wrinkles or folds
................................................................................................................................................
201
Line discontinuities
............................................................................................................................................
202
Grain in area fills when scanning plain paper
...................................................................................................
203
Small color differences between adjacent CIS modules
...................................................................................
204
Vertical light lines at the intersection between CIS modules
...........................................................................
205
Variable line thickness or missing lines
............................................................................................................
206
Inaccurately reproduced colors
.........................................................................................................................
206
Color fringing
.....................................................................................................................................................
207
Clipping in dark or light areas
............................................................................................................................
207
Flare in the image when scanning glossy originals
..........................................................................................
209
Vertical red and green bands over white or black background
........................................................................
209
The stop-start effect
.........................................................................................................................................
209
Vibration
............................................................................................................................................................
210
Horizontal periodical banding
...........................................................................................................................
211
Defocus, blurring and fading colors
..................................................................................................................
211
Incorrect paper advance, skew during scanning, or horizontal wrinkles
.........................................................
213
Vertical black band 20 cm wide
.........................................................................................................................
214
The scanner damages some originals
..............................................................................................................
215
Completely wrong colors
...................................................................................................................................
215
Vertical distortion
..............................................................................................................................................
216
Object replication (ghosting)
.............................................................................................................................
216
Clipping or incorrect scale factor when down-scaling in copies and prints
.....................................................
217
Incorrect edge detection, mostly when scanning tracing paper
......................................................................
217
A copied or scanned image is very skewed
.......................................................................................................
218
24
The scanner diagnostic plot
......................................................................................................................
219
Prepare the printer and the paper to print the diagnostic sheet
.....................................................................
220
Visual check for errors while printing the diagnostic sheet
.............................................................................
220
Scan or copy the diagnostic plot
.......................................................................................................................
223
Monitor calibration
............................................................................................................................................
224
Save the diagnostic plot for future use
.............................................................................................................
224
25
Troubleshooting ink cartridge and printhead issues
...................................................................................
225
Cannot insert an ink cartridge
...........................................................................................................................
226
Ink cartridge status messages
..........................................................................................................................
226
Cannot insert the printhead
..............................................................................................................................
226
The front-panel display recommends reseating or replacing the printhead
...................................................
226
viii
ENWW