Black Dot / Black Mark
2. 45mm interval Black dots
If 45mm interval paper appears at image in the sub
scanning direction, take the following measure.
a. Check whether the foreign substance are attached
on the developing roller surface.
b. If the foreign substance attached, wipe off by the
clean cloth.
c. If no foreign substance attached or it will not be
disappeared after wiping off, replace the developing
unit.
Image
φ0.1
~
0.3
mm
45mm
Above is to check the
black dots on the paper
by the Magnifying glass.
1. 38mm interval black dots, black marks (Charger roller)
Take the following measure if the 38mm interval black dots or marks appear
at the image In the sub scanning direction.
a. Check the 38mm interval to print out the test sample by U089 Mono4.
b. Replace the MC-6705 after confirming the dots appears 38mm interval.
c. Execute U930 charger roller counter reset after replacing MC-6705.
38mm
5
Summary of Contents for 6500i
Page 48: ... The film attached procedure J49XX J50XX J51XX J600X 3 9 48 ...
Page 52: ... Replacement procedure for the bushing J49XX J50XX J51XX J600X 7 9 52 ...
Page 57: ... The film attached procedure J6100 J6110 DF 3 6 57 ...
Page 71: ... The film attached procedure Corner Folding 3 6 71 ...
Page 73: ...Corner Folding 5 6 73 ...
Page 74: ...Corner Folding 6 6 74 ...
Page 103: ...Abnormal sound from the fuser section 3 5 For 3500i 4500i 5500i 103 ...
Page 104: ...Abnormal sound from the fuser section 4 5 For 3500i 4500i 5500i 104 ...