Roller Circumferences - Konica Minolta Magicolor 3300 Service Manual

3.5 Image Troubleshooting
Description below assumes that the printer controller is normal. By testing the
printing operation for the engine only, conditions can be isolated simply to determine
whether the trouble exists on the printer controller side or engine side.
When the test print with the engine only is correct, the printer controller is fault.
When printing on the engine only is not correct, the engine is faulty.
When trouble is considered to be on the printer controller side, replace the printer
controller with proper one and check for proper operation again.
If the trouble persists even after the replacement, check the host side using the image
troubleshooting for each condition as described below for effective troubleshooting.
If print image quality trouble occurs, print on paper of A3 or A4 size in order to judge and understand the
trouble precisely and take proper remedy steps. Utilize the image quality troubleshooting correction table
depending on the trouble for efficient troubleshooting.
If the trouble cannot be corrected according to the image quality troubleshooting, check the trouble after
replacing the "Major check parts" specified for the "Initial check" in the image quality troubleshooting in
succession making use of the Specifications in Chapter 6.
Image quality troubleshooting describes the representative image quality troubles as follows:
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
"Light (Undertoned) Prints"
"Blank Prints"
"Black Prints"
"Vertical Band Deletions"
"Horizontal Band Deletions"
"Black (color) spots"
"Background"
"Skewed Image"
"Crease"
"Infused Image or Image Easily Rubs Off of Paper "
"White flake"
"Toner splash"
"Entire image has bluish tinge"
Chapter 1 Troubleshooting
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