HP Designjet T2300 - eMultifunction Printer - General Advice; Horizontal Lines (Banding)

Vertical light lines at the intersection between CIS modules .......................................................... 23
Variable line thickness or missing lines ..................................................................................... 24
Inaccurately reproduced colors ................................................................................................ 24
Color fringing ........................................................................................................................ 25
Clipping in dark or light areas ................................................................................................. 26
Flare in the image when scanning glossy originals ..................................................................... 27
Vertical red and green bands over white or black background .................................................... 27
The stop-start effect ................................................................................................................. 28
Vibration ............................................................................................................................... 29
Horizontal periodical banding ................................................................................................. 29
Defocus, blurring and fading colors .......................................................................................... 30
Incorrect paper advance, skew during scanning, or horizontal wrinkles ........................................ 31
Vertical black band 20 cm wide .............................................................................................. 32
The scanner damages some originals ....................................................................................... 33
Completely wrong colors ........................................................................................................ 33
Vertical distortion ................................................................................................................... 34
Object replication (ghosting) ................................................................................................... 34
Clipping or incorrect scale factor when down-scaling in copies and prints .................................... 35
Incorrect edge detection, mostly when scanning tracing paper ..................................................... 36
A copied or scanned image is very skewed ............................................................................... 36
4 Scanner maintenance ..................................................................................................... 37
Clean the scanner’s glass plate ................................................................................................ 38
Calibrate the scanner ............................................................................................................. 39
5 The scanner diagnostic plot ............................................................................................. 41
Prepare the product and the paper to print the diagnostic sheet ................................................... 42
Visual check for errors while printing the diagnostic sheet ........................................................... 42
Scan or copy the diagnostic plot .............................................................................................. 45
Monitor calibration ................................................................................................................ 46
Save the diagnostic plot for future use ....................................................................................... 46
Index ................................................................................................................................. 47
iv ENWW