Epson Stylus pro 7900 Repair Manual page 201

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