Troubleshooting By Error Message - Epson Stylus Photo PX700FW Service Manual

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W

3.3.2 Troubleshooting by Error Message

The following tables provide troubleshooting procedures. Confirm the error message displayed on the LCD, and verify it in the following list for the corresponding troubleshooting
remedy. If some parts need to be replaced or repaired, make sure to follow the procedure given in Chapter 4 " DISASSEMBLY/ASSEMBLY" .
Occurrence
Symptoms
Timing
The CR Motor does not
operate at all.
At power-on
The Carriage Unit hits
against the right side of the
Main Frame.
The Carriage Unit hits
against the Upper Paper
Guide.
TROUBLESHOOTING
Table 3-4. Check point for Fatal error according to each phenomenon (Printer Mechanism)
Failed Part /
Part Name
1. Is the CR Motor cable properly connected to CN21
connector on the Main Board?
CR Motor 2. Is the CR Motor cable damaged?
3. Does the CR Motor operate normally?
1. Is the CR Encoder damaged?
CR Encoder
2. Is the FFC correctly connected to the connector on the
CR Encoder?
1. Is the CR Scale properly centered in the slit of the CR
Encoder?
2. Is the CR Scale surface clean?
CR Scale
3. Is the CR Scale damaged?
4. Is the CR Scale correctly installed?
1. Is the Upper Paper Guide correctly installed?
Upper Paper Guide
Troubleshooting by Error Message
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Check Point
1. Connect the CR Motor cable
correctly to CN21 connector on
the Main Board.
2. Replace the CR Motor with a
new one.
3. Replace the CR Motor with a
new one.
1. Replace the CR Encoder with a
new one.
2. Connect the Head FFC correctly.
1. Install the CR Scale correctly.
2. Wipe any dirt off the surface of
the CR Scale. When the
contamination is severe, replace
the CR Scale with a new one.
3. Replace the CR Scale with a new
one.
4. Install the CR Scale and the
torsion spring correctly.
1. Install the Upper Paper Guide
correctly.
Revision C
Remedy Reference
4.2.3.2 " Main Board /
Grounding Plate M/B "
(p.117)
4.2.4.15 " CR Motor "
(p.152)
4.2.4.16 " Carriage Unit "
(p.154)
4.2.4.2 " CR Scale "
(p.129)
4.2.4.19 " Upper Paper
Guide L/R / PE Sensor "
(p.161)
Confidential
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