MX-7090N, MX-8090N. Service Assist Guide - Sharp Copying Equipment Service Manual (repair manual). Page 6

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6)
Short white blurs
Symptom
>
・Short white blurs occur at the rear end.
・Setting Change (Motor Speed)
2SHUDWLRQ>
 Select appropriate mode
Change “FSM” by +10 (By 2 counts)
*Change paper feed speed (fusing Speed).
Short white blurs of image at the rear end
of the 
paper proceeding direction
However, they disappear 
PPIURPWKHUHDUHQG. 
WĂƉĞƌ&ĞĞĚŝƌĞĐƚŝŽŶ
ϱϬŵŵ
7)
Long white blurs
Symptom
>
・Long white blurs occur at the rear end.
・Setting Change (Motor Speed)
 Select appropriate mode
Change “FSM” by -10 (By 2 counts)
*Change paper feed speed (fusing Speed).
2SHUDWLRQ>
Long white blurs of image at the rear
end of the 
paper proceeding direction.
WĂƉĞƌ&ĞĞĚŝƌĞĐƚŝŽŶ
㼇㻞㼉 㼀㼞㼛㼡㼎㼘㼑㻌㻿㼔㼛㼛㼠㼕㼚㼓㻌㻟
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