Olivetti d-Color MF4003 Service Manual page 526

d-Color MF4003/MF3303
Symptom
Isolation of the cause area
Does the problem occur also
in scanned images by
using original glass?
NO
Cause area
ADF
Troubleshooting steps for each cause area
NOTE
▪ If the problem can not be solved after "(1) First steps of troubleshooting," check "(2) Individual adjustment items".
▪ In "(2) Individual adjustment item," perform adjustment and test according to the manual description procedure of each item.
< ADF >
(1) First steps of troubleshooting
Step
1 Check the set position of original and document width guide, and correct it if needed.
2 Check the paper path, and remove any paper pieces or foreign matters.
3 Check each roller for dirt and wear, and clean or replace it if needed.
4 If there is looseness in the screw of the ADF hinge part, fix it and perform the installation settings of ADF.
5 Perform test printing/scanning to check whether the problem has been resolved. If it can not be resolved, confirm "(2)
individual adjustment items".
(2) Individual adjustment items
Skewed image
Image deviation
NOTE
▪ If the trouble can not be solved by the above adjustment,
▪ If there is a problem only on the back side image after the above adjustment,
< Scanner (IR) >
(1) First steps of troubleshooting
Step
1 Check the set position of original, and correct it if needed.
2 When using a thick original (like a book), check whether the user strongly presses the document cover/ADF. *The
scanner section may not move smoothly due to the excessive pressure, and which may cause image deviation.
3 If original glass is not installed properly, reinstall original glass.
Service Manual
Skewed image / Image deviation
Scan
What is the printing mode in
which the problem occurred?
NO
Does the problem occur even
with the test patterns in Test Mode?
YES
Scanner (IR)
1. I.15.2 Registration Loop Adj.
1. I.15.6 Feed Zoom
2. I.15.8 FD-Mag. Adj. (B)
L TROUBLESHOOTING > 16. IMAGE QUALITY PROBLEM
PC print*
Copy
YES
YES
Does the problem occur only
in a specific paper feed tray?
Paper feed tray
Contents
replace the CIS module (IR
replace the DF CIS module
Contents
L-128
* In case of image deviation at the time
of PC printing, please confirm beforehand
that there is no mistake in the print setting
of the PC application or printer driver.
NO
Paper transport section
CIS).
assy.
Y119930-3