EPSON Stylus Pro 4400/4450/4800/4880/4880C
Revision C
Troubleshooting
Troubleshooting Based on Panel Messages
185
SERVICE REQ. 0001001B
Error meaning:
Head driver (TG) temperature error
Explanation
During printing operation (empty jetting of ink), there may be a case where
the temperature inside the Print Head has risen above the specified value
and the thermistor in the Print Head detects it as abnormal temperature. In
such a case, this message is displayed and the printer stops operating.
Cause of trouble
Print Heat increase due to empty jetting of ink
Faulty contact of Head FFC, broken Head FFC or disconnected Head
FFC.
Print Head broken down.
Remedy
1.
Turn off the power to the printer once and turn it on again and check for
recovery.
2.
If the same error occurs immediately, replace the
SERVICE REQ. 0001001D
Error meaning:
CR servo parameter error
Explanation
There may be a case where a voltage exceeding the specified value is
about to be applied to the CR Motor. In such a case, this message is
displayed and the printer stops operating.
Points to be checked
1.
The CR Encoder Sensor and the CR Scale must be free from dust and
dirt or any other foreign matters.
2.
Execute encoder checking by the
"1.4.6.1 Self Testing Menu (SELF
in "Maintenance Mode 2".
3.
The CR Timing Belt must be free from any defects and the belt must
be in proper tension.
4.
The Carriage Unit must slide smoothly, free from undue load.
5.
Measure the resistance value of the CR Motor. (19.3 ± 10% [
Ω
])
If the CR Motor is found in short mode, replace the BOARD ASSY.,
MAIN at the same time.
6.
All the harness must be connected properly and free from short circuit
or broken wire.
Remedy
1.
Check for dirt, paper dust or damage to the CR Scale
2.
Perform the
CR Timing Belt Tension Adjustment
3.
Replace the
4.
Replace the
5.
Summary of Contents for Stylus Pro 4800 Portrait Edition
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 113: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 156: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 200: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 366: ...C H A P T E R 5 ADJUSTMENT ...
Page 448: ...C H A P T E R 6 MAINTENANCE ...
Page 457: ...C H A P T E R 7 APPENDIX ...