Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
TROUBLESHOOTING Troubleshooting by Error Message 74
Confidential
Any time
Paper is ejected just after
paper is fed.
PE Sensor
1. Is the connector cable of the PE Sensor properly
connected to CN9 connector on the Main Board?
1. Connect the connector cable of
the PE Sensor correctly to CN9
connector on the Main Board.
"4.2.1 Parts transferred
from the old printer when
replacing the Printer
Mechanism" (p.108)
2. Is the PE Sensor damaged? 2. Replace the Printer Mechanism
with a new one.
Upper Paper
Guide R
1. Is the lumiler protecting the PE Sensor contaminated? 1. Replace the Printer Mechanism
with a new one.
Table 3-10. Check point for the Ink End Error / No Ink Cartridge Error / Incorrect Ink Cartridge Error according to each phenomenon
Occurrence
Timing
Symptoms
Failed Part /
Part Name
Check Point Remedy Reference
At power-on
The error occurs after the
carriage detected the home
position.
Ink Cartridge
1. Is the Memory chip on the Ink Cartridge disconnected or
damaged?
1. Replace the Ink Cartridge with a
new one.
---
CSIC FFC
1. Is the CSIC FFC properly connected to CN5 connector
on the Main Board and the connector on the CSIC Assy?
1. Connect the CSIC FFC correctly. "4.2.5.5 CSIC Assy"
(p.143)
CSIC Assy
1. Is the CSIC terminal damaged? 1. Replace the CSIC Assy with a
new one.
"4.2.5.5 CSIC Assy"
(p.143)
2. Is the CR contact module damaged? 2. Replace the CSIC Assy with a
new one.
Table 3-11. Check point for the Scanner Open Error according to each phenomenon
Occurrence
Timing
Symptoms
Failed Part /
Part Name
Check Point Remedy Reference
Any time
The Printer Cover is closed,
but the cover open error is
displayed.
Scanner Cover
Open Sensor FFC
1. Is the Scanner Cover Open Sensor FFC properly
connected to CN10 connector on the Main Board?
1. Replace the Scanner Unit with a
new one.
• "4.2.5.13 Front Paper
Guide Waste Ink Pad"
(p.159)
• "4.3.3 Disassembling the
Scanner Unit" (p.194)
2. Is the Scanner Cover Open Sensor FFC damaged? 2. Replace the Scanner Unit with a
new one.
Scanner Cover
Open Sensor
1. Is the Scanner Cover Open Sensor damaged? 1. Replace the Scanner Unit with a
new one.
Carriage Unit
1. Is the Sensor magnet of the Carriage Unit damaged? 1. Replace the Carriage Unit with a
new one.
"4.2.6.3 Scanner Carriage
Unit" (p.163)
Upper Housing
1. Is the Sensor magnet of the Upper Housing damaged? 1. Replace the Upper Housing with
a new one.
"4.2.3.5 Upper Housing"
(p.115)
Table 3-9. Check point for the Paper Out Error according to each phenomenon
Occurrence
Timing
Symptoms
Failed Part /
Part Name
Check Point Remedy Reference
To Next Page
Loading...
