Epson C11CA88001A1 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
TROUBLE SHOOTING Remedies for Service Call Error 63
Confidential
155F
DCP Motor
lock error
1. Connection failure of the Decompression Pump Assy.
2. Detects that it is being driven at an irregularly slower speed
than the specified value.
 Irregular load
 Decompression Pump Assy encoder failure
 Decompression Pump failure
1. Check the connection of the Decompression Pump (CN232,
CN233) for disconnection and damage.
2. Carry out “Encoder Check” to check if the Decompression
Pump encoder functions normally. (See P.399)
Replace the Decompression
Pump. (See P.254)
1561
Paper thickness at
power-on error
At power-on, the paper thickness sensor detects more than 2.2
mm paper thickness.
1. Check if the paper with the thickness more than 2.2 mm is
loaded.
2. Carry out “Sensor Check” to check if the Paper Thickness
Sensor functions normally. (See P.394)
3. Check and adjust the position of Paper Thickness Sensor
(See P.369).
Replace the Paper Thickness
Sensor. (See P.195)
1562
ASF Motor
abnormal load
detection error
When driving the ASF motor, the electric current to drive the
motor exceeded the threshold value continuously more than
specified times.
 Paper feed error at the ASF
 Connection between the ASF Motor and the SUB-C Board
has an abnormality.
 ASF Motor Assy encoder failure
 ASF Motor failure
1. Check if the paper is correctly loaded into the ASF Cassette.
2. Check the connection of the ASF Motor Assy (CN311,
CN312) for disconnection and damage.
3. Carry out “Encoder Check” to check if the ASF Motor Assy
encoder functions normally. (See P.399)
Replace the ASF Motor Assy.
(See P.202)
156A
ASF Motor
overload error
The electric current flowing when driving the motor is
irregularly large.
 Irregular load
 ASF Motor Assy cable is damaged.
 ASF Motor Assy encoder failure
 ASF Motor failure
1. Check the connection of the ASF Motor Assy (CN311,
CN312) for disconnection and damage.
2. Carry out “Encoder Check” to check if the ASF Motor Assy
encoder functions normally. (See P.399)
Replace the ASF Motor Assy.
(See P.202)
156B
ASF Motor
over speed error
Detects that it is being driven at an irregularly faster speed
than the specified value just before stopping.
 Irregular load
 ASF Motor Assy encoder failure
 SUB Board is damaged.
 ASF Motor driver failure
Carry out “Encoder Check” to check if the ASF Motor Assy
encoder functions normally. (See P.399)
1. Replace the ASF Motor Assy.
(See P.202)
2. Replace the SUB-C Board. (See
P.163)
3. Replace the Main Board. (See
P.152)
156C
ASF 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 ASF Motor Assy cable is opposite.
 ASF Motor Assy encoder failure
1. Check the connection of the ASF Motor Assy (CN311,
CN312) for disconnection and wrong installation.
2. Carry out “Encoder Check” to check if the ASF Motor Assy
encoder functions normally. (See P.399)
Replace the ASF Motor Assy.
(See P.202)
Code Error Name Cause Check Item Remedy

Epson C11CA88001A1 Specifications

General

Brand	Epson
Model	C11CA88001A1
Category	Printer
Language	English