Repetitive defects gauge
Use the following measurements for checking repetitive occurrences on the printed page. This will
help locating the roller, etc., which has the cause for these defects. See the above section for details.
Figure 6-1-2 Repetitive defects gauge
First occurrence of defect
[39 mm] Developing roller (Developer)
[50 mm] Upper and Lower registration roller
[62 mm] Transfer roller
[72 mm] Heat and press roller (Fuser unit)
[94 mm] Drum (Drum unit)
6-45
FS-1900