Inspect the following parts, and correct/replace it if there is abnormality.
The pump of the Ink System Unit. (See P.150)
The tube of the pump is disconnected.
The tube of the pump is pressed flat. The tube of the pump is broken.
The cleaning blade of the Ink System Unit
A foreign material is stuck on the blade or the blade is broken.
There is something wrong with the connection of the ink cartridge, ink holder,
tube, damper, and printhead.
The head FFC is not connected correctly.
WIPER, CLEANER ASSY., ASP. (See P.150)
Printhead. (See P.147)
Main Board Assy. (See P.105)