HP DesignJet T3500 Users Guide - Page 8

Troubleshooting scanner issues, The scanner diagnostic plot

Page 8 highlights

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

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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