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Confidential
■ White spots
<User Check>
- Perform head cleaning.
- Check whether ink cartridge exceeded maintenance period.
Step Cause Remedy
1 Paper dust in the head and
platen
Perform special high-speed purge 2 (HP2) to
remove paper dust in the head and platen.
2 Dirt in the paper feed system Refer to "Cleaning procedure using the
cleaning sheet" and perform cleaning.
3 Dirt in the paper dust cleaning
roller
Refer to "Cleaning of the paper dust cleaning
roller" and clean the dirt in the paper dust
cleaning roller.
4 Clog of head pins Refer to "Cleaning of the head surface" and
perform cleaning.
5 Old ink Replace the ink specified for the product.
6 Ink head failure Replace the ink head.
7 Ink full sensor failure Replace the sub tank ASSY.
8 Engine PCB failure Replace the engine PCB ASSY.
9 Main PCB failure Replace the main PCB ASSY.
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