Epson C11CA88001A1 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
TROUBLE SHOOTING Remedies for Service Call Error 55
Confidential
141E
IS Motor
velocity deviation error
Detects, when accelerating/decelerating the motor, that it is
being driven at an irregularly faster speed than the specified
value.
 Irregular load
 IS Motor Assy encoder failure
 IS Motor failure
 SUB Board is damaged.
 IS Motor driver failure
1. Carry out “Encoder Check” to check if the IS Motor Assy
encoder functions normally. (See P.399)
2. Carry out “Motor Measurement Adjustment (IS Motor)” to
check if the IS Motor functions normally. (See P.393)
1. Replace the IS Unit. (See
P.233)
2. Replace the SUB-B Board. (See
P.162)
3. Replace the Main Board. (See
P.152)
141F
IS Motor
lock error
1. Connection failure of the IS Motor Assy.
2. Detects that it is being driven at an irregularly slower speed
than the specified value.
 Irregular load
 IS Motor Assy encoder failure
 IS Motor failure
1. Check the following connection for disconnection and
damage.
 IS Motor Assy to SUB-B Board (CN228, CN229)
2. Carry out “Encoder Check” to check if the IS Motor Assy
encoder functions normally. (See P.399)
3. Carry out “Motor Measurement Adjustment (IS Motor)” to
check if the IS Motor functions normally. (See P.393)
Replace the IS Unit. (See P.233)
1431
Ink Selector
life error
The number of operation counter of the Ink Selector has
reached the specified life. (10,000 times)
---
Replace the Ink Selector Assy.
(See P.229)
1432
Cartridge Holder
life error
Operations of the diaphragm in the Cartridge Holder exceeded
the specified value.
Using NVRAM Viewer, check which Cartridge Holder (the
left one or the right one) has reached the end of the specified
life. (See P.303)
Replace the Cartridge Holder.
(See P.239) (See P.242)
1433
IS Unit position
sensor error
Positions of the ink system components do not match with the
sensor condition.
 Connection failure of the sensor
 Sensor failure
 IS Unit failure
1. Check the connection between the Wiper and the Cap
Sensor (CN231), and conduct “Sensor Check” for function
check (See P.394).
2. Check the connection of IS Unit HP Sensor (CN230), and
conduct “Sensor Check” for function check (See P.394).
1. Replace the Wiper and Cap
Sensor.
2. Replace the IS Unit HP Sensor.
3. Replace the IS Unit. (See
P.233)
1494
Ink Selector error
Ink select operation failed.
 Ink Selector’s load is abnormal.
 Ink Selector Sensor failure
 Ink Selector Motor failure
Discharge ink, and carry out “Ink Selector Movement Check”
for function check (See P.330).
Replace the Ink Selector Assy.
(See P.229)
1496
Ink Selector Sensor
error detection
Ink select operation failed.
 Ink Selector Sensor failure
---
Replace the Ink Selector Assy.
(See P.229)
Code Error Name Cause Check Item Remedy

Epson C11CA88001A1 Specifications

General

Brand	Epson
Model	C11CA88001A1
Category	Printer
Language	English