TASKalfa 3500i - DP-770 Character Blur; Procedure for Modification

DP-770 Character blur at 50mm leading edge,
37 mm bottom edge
<Procedure for modification
1. Detach the original mat and remove 6 screws (1screw for front cover left lower, 1screw for left cover,
4screws for scan rear sprint mount plate)
2. All of 5pcs springs at rear original scan are cut two and a half coils.
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3. Remove the rear cover and left side stay by 2screws, then remove the screws in the bottom of it.
4. Remove the lower cover while sliding front side, then remove the metal plate by 4 screws.
5. Remove all of original scan front pulleys (5 pcs) and springs （3303LL24120:SPRING PULLEY CONV
LEFT）are cut two coils.
6. Return it original position and execute DP feeding and DP scanned image checking.
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For 3500i/4500i/5500i
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