Replacing The Double Feed Prevention Roller - Konica Minolta 7145 Service Manual

PAPER FEED UNIT
8.2 Replacing the Double Feed
Prevention Roller
A. Periodically replaced parts/cycle
• Double feed prevention roller: Every 360,000
copies (Once for every 100,000 copies for actual
durable count) (7145)
• Double feed prevention roller: Every 300,000
copies (Once for every 100,000 copies for actual
durable count) (7235/7228/7222)
B. Procedure
1. Carry out the steps 1 through to 5 in "8.1
Replacing the paper feed roller and feed roller
(bypass)".
2. Remove the 2 screws [1], and remove the by-
pass double feed prevention roller unit [2].
3. Remove the 2 springs [1], the two stop rings [2]
and the E ring [3].
4. Pull out the shaft [4] to the side where there is
no E ring provided, and remove the bypass
reverse roller [5] and the roller [6].
5. Reinstall the above parts following the removal
steps in reverse.
Note:
• When reinstalling double feed prevention roller
[5], pay attention to their orientation.
2
2
[6]
[5]
[1]
[3]
3-44
[2]
[1]
[4]
[1]
[2]
7145ma3006