Sharp MX-4100N Service Manual page 337

22) Remove the secondary belt transfer frame.
23) Remove parts as outlined below.
Maintenance: Clean at every 300K.
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24) Remove the secondary transfer belt.
Maintenance: Replace at every 300K.
25) Clean the secondary transfer belt drive roller and the second-
ary transfer idle shaft.
Maintenance: Clean at every 300K.
26) Remove the bearing on the front side, and remove the second-
ary transfer roller.
Maintenance: Replace at every 300K.
27) Push up the shutter, and clean the pro-reg sensor.
Maintenance: Clean at every 150K.
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MX-5001N MAINTENANCE 8 – 22
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