2L0
2-4-2
(2) Repetitive defects gauge
First occurrence of defect
[24.99 mm/1"] Upper registration roller
[37.68 mm/1
1/2"] Lower registration roller
[62.8 mm/2
1/2"] Developing roller (developing unit)
[45.216 mm/1
3/4"] Transfer roller
[73.162 mm/2
7/8"] Heat roller (fuser unit)
[78.5 mm/3
1/16"] Press roller (fuser unit)
[94 mm/3
11/16"] Drum (drum unit)