Epson Stylus Photo PX700FW Service Manual page 69

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W
Occurrence
Symptoms
Timing
The Carriage Unit
movement is too slow.
The Carriage Unit makes
abnormal noise during
At power-on
operation (Slipping of CR
Timing belt)
PF Motor does not operate
at all.
CR lock is not released and
a fatal error occurs
TROUBLESHOOTING
Table 3-4. Check point for Fatal error according to each phenomenon (Printer Mechanism)
Failed Part /
Part Name
1. Is the Carriage Shaft free from dirt, and adequately
Carriage Shaft
lubricated?
1. Is the CR Guide Plate free from dirt, and adequately
CR Guide Plate
lubricated?
1. Is the Ink Tube correctly routed?
Ink Tube
1. Is the Head FFC correctly routed?
Head FFC
1. Is the Carriage path contaminated with foreign material
---
(slip of paper)?
1. Is the CR Timing Belt correctly installed to Timing
Driven Pulley Assy?
CR Timing Belt,
Timing Driven
Pulley Assy
2. Is the CR Timing Belt correctly installed to the Pinion
Gear of the CR Motor?
1. Is tension of the CR Timing Belt appropriate?
CR Timing Belt,
Driven Pulley Assy
1. Is the PF Motor cable properly connected to CN22
connector on the Main Board?
PF Motor 2. Is the PF Motor cable damaged?
3. Does the PF Motor operate normally?
Main Board 1. Check if the firmware is the latest.
1. Check if the CR lock lever moves smoothly.
Ink System
Troubleshooting by Error Message
https://www.manualsbooks.com
Check Point
1. Clean the Carriage Shaft and
lubricate it as specified.
1. Clean the CR Guide Plate and
lubricate it as specified.
1. Route the Ink Tube correctly.
1. Route the Head FFC correctly.
1. Remove any foreign material
from Carriage path.
1. Install the Timing Driven Pulley
Assy to CR Timing Belt
correctly.
2. Install CR Timing Belt correctly.
1. Reassemble the CR Timing Belt
and check the tension of the CR
Timing Belt again. If the tension
is still not appropriate, replace
the Printer Mechanism.
1. Connect the PF Motor cable
correctly to CN22 connector on
the Main Board.
2. Replace the PF Motor with a new
one.
3. Replace the PF Motor with a new
one.
1. Update the firmware to the latest.
1. Replace the Ink System with a
new one.
Revision C
Remedy Reference
4.2.4.16 " Carriage Unit "
(p.154)
4.2.4.20 " Waste Ink Tray
Assy " (p.163)
4.2.4.5 " Ink Supply IC
Holder Assy " (p.133)
4.4 " Routing FFC/cables "
(p.202)
---
4.2.4.16 " Carriage Unit "
(p.154)
•
4.2.4.16 " Carriage Unit "
(p.154)
•
5.3.2 " CR Timing Belt
Tension Adjustment "
(p.240)
4.2.3.2 " Main Board /
Grounding Plate M/B "
(p.117)
4.2.4.14 " PF Motor "
(p.150)
---
4.2.4.6 " Ink System "
(p.135)
Confidential
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