Chapter 3 Image Quality Troubleshooting
3.2 Image Quality Troubleshooting
3-39
IQ-19 Images are skewed
Possible causative parts
- IIT ASSY (PL21.1.14)
- DADF ASSY (PL21.1.1)
- KIT DADF PICK UP MODULE (PL21.1.95)
- ROLL ASSY RUBBER (PL15.2.6)
- ROLL ASSY REGI PINCH (PL15.2.8)
- ROLL REGI PINCH (PL15.2.37)
- Transfer Unit [ROLL ASSY-TRANS CRU] (PL6.1.1)
- Heat Roll [FUSING UNIT] (PL7.1.1)
Step Check and Action Yes No
1
Checking the error mode.
Does the error occur only during copying?
Go to step 2. Go to step 7.
2
Checking the error mode.
Does the error occur when feeding the original at the DADF?
Go to step 4. Go to step 3.
3
Checking the original setting.
Is the original set to the platen glass correctly?
Replace the IIT
ASSY (REP
21.1).
Reseat the origi-
nal.
4
Checking the original setting.
Does the original meet the DADF spec?
Go to step 5.
Use the platen
mode or change
the paper type.
5
Checking the DADF Guides setting.
Reseat the DADF Guides.
Does the error still occur when copying?
Go to step 6. End of work.
6
Checking the KIT DADF PICK UP MODULE.
Are there any damages or foreign substances on the KIT
DADF PICK UP MODULE?
Remove the for-
eign substances
or replace the
KIT DADF PICK
UP MODULE.
Replace the
DADF ASSY.
(REP 21.1).
7
Checking the paper feeding tray.
Is the skewed paper fed from the MSI?
Go to step 8. Go to step 9.
8
Checking the side guides setting of MSI.
Reset the side guides.
Is the image printed correctly?
End of work. Go to step 9.
9
Checking the paper path.
Are there any foreign substances on the paper path?
Remove the for-
eign substances,
then go to step
10.
Go to step 11.
10 Is the image printed correctly? End of work. Go to step 11.
11
Check the paper feed rolls
Are the paper feed rolls (the rolls that are listed among the
parts considered to be the cause) installed properly?
Go to Step 13.
Reinstall the cor-
responding
paper feed rolls,
then go to step
12.
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