Read Sharp AL-840 (serv.man8) Service Manual online
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Cleaning
Use absolute alcohol to clean the charger electrode.
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Troubles caused by improper work
1) Print image detect (Insufficient density, improper density
balance, streaks in the main scanning direction)
(14) Remove the screw, and remove the developing bias electrode
SP 9S006/P007).
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Cleaning
Use absolute alcohol to clean the developing bias electrode SP.
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Troubles caused by improper work
1) Print image defect (Insufficient density, streaks in the main
scanning direction.)
2) Toner dispersion
(15) Slide and remove the separation electrode (S006/P008).
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Cleaning
Use absolute alcohol to clean the separation electrode.
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Troubles caused by improper work
1) Paper jam
(16) Remove the bottom base plate S001/P009 .
(17) Pull out the main charger electrode SP (S006/P008).
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Cleaning
Use absolute alcohol to clean the main charger electrode SP.
*
Troubles caused by improper work
1) Print image defect
(Dirt, streaks in the main scanning direction)
(18) Pull out the earth electrode SP (S006/P010).
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Cleaning
Use absolute alcohol to clean the earth electrode SP.
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Troubles caused by improper work
1) Paper jam
S006/P006/CLN
S006/P007/CLN
S006/P008/CLN
S006/P009/CLN
S006/P010/CLN
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