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Chapter 1 Troubleshooting
P4 "Vertical deletion or blank line"
Trouble substance
There are some extremely faint or completely non-printed parts. Those non-
printed parts cover a wide area vertically, along the paper feeding direction.
ESS and possible causative parts
- FUSER ASSY (PL5.1.1)
- BTR ASSY (PL5.1.4)
- PHD ASSY (PL6.1.1)
- DEVE ASSY (Y) (PL7.1.17)
- DEVE ASSY (M) (PL7.1.18)
- DEVE ASSY (C) (PL7.1.19)
- DEVE ASSY (K) (PL7.1.20)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign
materials on the transfer path, such as the staple, paper clip, scraps of paper and so on.
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