Epson C11CA88001A1 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
TROUBLE SHOOTING Remedies for Service Call Error 54
Confidential
122F
PF Motor
lock error
1. The PF Motor or the PF Encoder is not connected correctly.
2. Detects that it is being driven at an irregularly slower speed
than the specified value.
 Irregular load
 PF Encoder failure
 PF Motor failure
1. Check the following connection for disconnection and
damage.
 PF Encoder to SUB-C Board (CN303)
 PF Motor to SUB-C Board (CN302)
2. Carry out “Encoder Check” to check if the PF Encoder
functions normally. (See P.399)
3. Carry out “Motor Measurement Adjustment (PF Motor)” to
check if the PF Motor functions normally. (See P.393)
1. Replace the PF Encoder. (See
P.183)
2. Replace the PF Motor. (See
P.182)
131B
Head driver
(transmission gate)
overheat error
The temperature of the Head driver rises, and reaches the
specified level.
1. Turn the power off and then on again to check if the printer
recovers from the error.
2. Check the connection of the Head FFC.
 Any slant connection or a similar abnormality?
1. Replace the Head FFC. (See
P.249)
2. Replace the Printhead. (See
P.232)
1412
IS Motor
life error
The number of pump operation counter of the IS Unit reached
the specified upper limit.
---
Replace the IS Unit. (See P.233)
141A
IS Motor
overload error
The electric current flowing when driving the motor is
irregularly large.
 IS Motor Assy cable is damaged.
 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
Assy)” to check if the IS Motor functions normally. (See
P.393)
Replace the IS Unit. (See P.233)
141B
IS Motor
over speed error
Detects that it is being driven at an irregularly faster speed
than the specified value just before stopping.
 Irregular load
 IS Motor Assy encoder failure
 SUB Board is damaged.
 IS Motor driver failure
Carry out “Encoder Check” to check if the IS Motor Assy
encoder functions normally. (See P.399)
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)
141C
IS 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 IS Motor Assy cable is opposite.
 IS Motor Assy encoder failure
1. Check the following connection and installation direction.
 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)
Replace the IS Unit. (See P.233)
141D
IS 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