Epson C11CA88001A1 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
TROUBLE SHOOTING Remedies for Service Call Error 56
Confidential
1497
Ink Selector
Switching time-out
error
1. The Ink Selector Motor or the Ink Selector Sensor is not
connected correctly.
2. Connection between the SUB Board and the Main Board
has an abnormality.
3. Ink selection is not completed after the specified time has
passed.
 Ink Selector Motor failure
 Ink Selector Sensor failure
1. Check the following connection for disconnection and
damage.
 Ink Selector Motor to SUB Board (CN105)
 Ink Selector Sensor to SUB Board (CN106)
 SUB Board to Main Board (CN100)
2. Discharge ink, and carry out “Ink Selector Movement
Check” for function check (See P.360).
Replace the Ink Selector Assy.
(See P.229)
149D
Ink Selector
driving time-out error
Detects that the driving period is irregularly long.
 Ink Selector irregular load
 Firmware becomes out of control.
---
Replace the Main Board. (See
P.152)
150C
PG origin detection
error
1. Connection failure of the APG Sensor.
2. When PG is being adjusted, the APG Sensor cannot detect
its origin.
 APG Sensor failure
 APG Motor failure
Check the connection of the APG Sensor (CN104) for
disconnection and damage.
1. Replace the APG Sensor. (See
P.180)
2. Replace the APG Motor Assy.
(See P.179)
151A
APG Motor
overload error
1. Connection failure of the APG Motor.
2. The electric current flowing when driving the motor is
irregularly large.
 APG Motor Assy cable is damaged.
 Irregular load
 APG Motor Assy encoder failure
 APG Motor failure
Check the connection of the APG Motor Assy (CN207,
CN206) for disconnection and damage.
Replace the APG Motor Assy.
(See P.179)
151B
APG Motor
over speed error
Detects that it is being driven at an irregularly faster speed
than the specified value just before stopping.
 Irregular load
 APG Motor Assy encoder failure
 SUB Board is damaged.
 APG Motor driver failure
---
1. Replace the APG Motor Assy.
(See P.179)
2. Replace the SUB-B Board. (See
P.162)
3. Replace the Main Board. (See
P.152)
151C
APG Motor
reversing error
Detects accumulatively more than the specified number of
times that it is being driven in the opposite direction to the
specified driving direction.
 The polarity of APG Motor Assy cable is opposite.
 APG Motor Assy encoder failure
Check the connection of the APG Motor Assy (CN207,
CN206) for disconnection and damage.
Replace the APG Motor Assy.
(See P.179)
151D
APG Motor
driving time-out error
Detects that the driving period is irregularly long.
 Irregular load
 Firmware becomes out of control.
---
Replace the Main Board. (See
P.152)
Code Error Name Cause Check Item Remedy

Epson C11CA88001A1 Specifications

General

Brand	Epson
Model	C11CA88001A1
Category	Printer
Language	English