Image Quality
Phaser 3610, WorkCentre 3615 Service Manual 3-21
IQ-7 Pitched Black Dots
Note: for the Phaser 3610, begin the procedure at step 4.
Troubleshooting Reference
Applicable Parts Example Print
• IIT Assembly, PL 6.1
• DADF Assembly, PL 6.1
• Drum Cartridge, PL 3.1
• Transfer Roller Assembly, PL 3.4
• Fusing Assembly, PL 3.5
•HVPS, PL 5.3
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Does the error occur only during copying? Go to step 2. Go to step 4.
2
Is the original clean?
Go to step 3. Change the original.
3
Is there any damages or foreign substances on the
Platen Glass and DADF Feed Roller?
Remove the for-
eign substances or
Clean up the
IIT/DADF. If
platen glass has
been damaged,
replace (REP 6.1
IIT Assembly),
then go to step 5.
Go to step 5.
4
Print the Pitch Chart. (Machine Status / Tools / Admin
Settings / Service Tools / Chart.
When a repeating defect / deletion is observed, use
the Pitch Chart to determine the defective part.
Are there any defects / deletions matching the chart?
Replace the corre-
sponding parts,
then go to step 5.
Go to step 5.
5
Clean the inside of the printer.
Is the image printed correctly?
Troubleshooting
complete.
Go to step 6.