Epson Stylus Pro 7600 Photographic Dye Ink, Service Manual

Page: 142 / 322

EPSON Stylus Pro 7600/9600 Revision A
Troubleshooting Error Display 142
3.2.4.18 CR servo parameter error (0001001D)
†
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.
†
Cause of trouble:
•
A small PWM output is kept on for a certain period of time (load is kept
applied).
• Carriage related mechanism out of step or carriage bumped.
†
Points to be checked:
1. The CR Encoder and the T Fence must be free from dust and dirt or any other
foreign matters.
2. The CR Timing Belt must be free from any defects and the belt must be in
proper tension.
3. The carriage must slide smoothly, free from undue load.
4. Measure the resistance value of the CR Motor.(5.8
Ω
)
If the CR Motor is found in short mode, replace the C472MAIN Board at the
same time.
5. Execute encoder checking by “5.2.2.4 Encoder ”(p225) in the self-
diagnostics menu.
6. All the harness must be connected properly and free from short circuit or
broken wire.
†
Remedy:
• Replace the MAIN Board (C472 MAIN) (p.207).
• Replace the CR Encoder Sensor ASSY (p.178).
(Refer to “CR Encoder Sensor Mounting Position Adjustment” (p.268) )
• Replace the CR Motor ASSY (p.180).
(Refer to “CR Timing Belt Tension Adjustment” (p.263) )
•
Make the mechanism adjustment for the carriage-related mechanism.
•
Remove the foreign matters.
3.2.4.19 PF servo parameter error (0001001E)
†
Explanation:
There may be a case where a voltage exceeding the specified value is about to be
applied to the PF Motor. In such a case, this message is displayed and the printer
stops operating.
†
Cause of trouble:
•
A small PWM output is kept on for a certain period of time (load is kept
applied).
• Paper feed related mechanism out of step.
†
Points to be checked:
1. The PF Encoder and the PF Loop Scale must be free from dust and dirt or any
other foreign matters.
2. The PF Timing Belt must be free from any defects and the belt must be in
proper tension.
3. The grid roller must rotate smoothly, free from undue load.
4. Measure the resistance value of the CR Motor.(5.8
Ω
)
If the CR Motor is found in short mode, replace the C472MAIN Board at the
same time.
5. Execute encoder checking by “5.2.2.4 Encoder ”(p225) in the self-
diagnostics menu.
6. All the harness must be connected properly and free from short circuit or
broken wire.
†
Remedy:
• Replace the MAIN Board (C472 MAIN) (p.207).
• Replace the PF Encoder Sensor ASSY (p.186).
(Refer to PF Encoder Sensor Installation Position Adjustment (p.272) )
• Replace the PF Motor (p.185).
(Refer to PF Timing Belt Tension Adjustment (p.264) )
•
Clear the cause of paper feed related mechanism out-of-step.