Epson Stylus Pro 7890 Series, Service Manual, Page: 139 / 519

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
TROUBLE SHOOTING Remedies for Service Call Error 139
Confidential
154C Cutter Reversing error
Detects that it is being driven in the opposite direction to the specified
driving direction.
†
The polarity of encoder cable is opposite.
†
The polarity of motor cable is opposite.
†
Encoder failure
†
Irregular load
Check the connection between the Cutter Unit and the Main Board
Assy.
Replace the Cutter Unit.
(See P.257)
154D
Cutter
Driving time-out
error
Detects that the driving period is irregularly long.
†
Irregular load
†
Firmware becomes out of control.
Replace the Main Board Assy. (See P.228)
154E Cutter
Velocity deviation
error
Detects that it is being driven at an irregularly faster speed than the
specified value.
†
Irregular load
†
Encoder failure
†
Motor driver failure
†
Motor failure
Replace the Cutter Unit. (See P.257)
Replace the Main Board Assy. (See P.228)
154F Cutter Lock error
Detects that it is being driven at an irregularly slower speed than the
specified value.
†
Encoder cable is damaged.
†
Motor cable is damaged.
†
Irregular load
†
Encoder failure
†
Motor failure
Check if there is some foreign material causing extra load on the Cutter
Unit.
Check the connection between the Cutter Unit and the Main Board
Assy.
Replace the Cutter Unit.
(See P.257)
13F0
Ink Cartridge
Cover
ICL operation error
IC Cover Unlock Solenoid is not operating normally. Check the connection between the Cartridge Cover Sensor and the
Main Board Assy.
Replace the Cartridge Cover Sensor (L/R) with new ones.
(See P.225,
P.226)
Replace the Main Board Assy. (See P.228)
1411
Valve HP
Selector
Select error
Valve select operating failed. Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit.
(See P.266)
Replace the Main Board Assy. (See P.228)
1412 Pump Pump life error
The number of pump counter reached the specified upper limit. (Pump
Motor’s life (Ink System Unit’s life)) Replace the Ink System Unit (See P.266) , and clear the counter using
the Service Program.
Error Code
Error Details
Description Remedy
Failed Part Error Name