Epson Stylus Pro 9900 - Page 201

Pro 7900 and 9900 Field Repair Guide 10/6/10
Printer Error Codes (Service) Printer Component, Software Item, LCD Display, Printer Button Page 201.
143F Under Speed Error The Cap Motor spins too
slow.
1. Check the Ink System.
2. Check the Main Board.
144A Over Current Error Air Pressure Motor draws
too much current.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
144B Over Speed Error The Air Pressure Motor
spins too fast.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
144C Rotation Direction Error The Air Pressure Modera-
tions in the wrong direction.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
144D Driving Time Out Error The Air Pressure Motor
does not spin, or spins too
long.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
144E Velocity Deviation Error The Air Pressure Motor
spins at irregular speeds.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
144F Under Speed Error The Air Pressure Motor
spins too slow.
1. Check the Pressure Pump Assembly.
2. Check the Main Board.
1489 Wiper home position
error
The Wiper’s home position
can not be detected
1. Check the Ink System.
2. Check the Main Board.
148A Over Current Error The Flushing Box Motor
draws too much current
1. Check the Ink System.
2. Check the Main Board.
148B Over Speed Error The Flushing Box Motor
spins too fast.
1. Check the Ink System.
2. Check the Main Board.
Ink Sys-
tem Error
Codes
Explanation Description Remedy