EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850
Revision A
TROUBLESHOOTING
Troubleshooting
114
Table 3-20. Check point for the abnormal noise
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point
Remedy
• Anytime
• Anywhere
The abnormal noise occurs at the first
power on timing and during each
operation although the printing
operation is performed.
Carriage Unit
1. Check if the grease on the Carriage Guide Shaft is
sufficient.
1. Wipe off the remaining grease on the
Carriage Guide Shaft and lubricate it on its
shaft.
Front Frame
1. Check if the grease on the Front Frame is sufficient.
1. Wipe off the remaining grease on the Front
Frame and lubricate it on its frame.
Ink System Unit
1. Check if the Change Lever moves smoothly.
1. Replace the Ink System Unit with a new one.
The bottom of the Carriage Unit contacts
the surface of the EJ Frame Unit.
EJ Frame Unit
1. Check if the EJ Frame Unit is not bent up.
1. Replace the EJ Frame Unit with a new one.
The Carriage Unit collides to the Paper
Guide Upper Unit during each operation.
Paper Guide Upper
Unit
1. Check if the Paper Guide Upper Unit is attached securely.
(check if it interferes with the Carriage Unit)
1. Reassemble the Paper Guide Upper to the
Main Frame.
Table 3-21. Check point for poor scanned image quality
Scanned image
Quality State
Detailed phenomenon
Defective
unit/part name
Check point
Remedy
• Scanned image is
not clear.
There are dusts on the Document Glass.
(white dots appear on the scanned
image)
Scanner Housing
Upper
1. Check if there is not any dust on the Document Glass.
1. Remove the extraneous matter from the
Document Glass.
(Refer to the Chapter 6 “MAINTENANCE”.)
There are dusts on the LED in the Rod
Lens Array.
(vertical stripes appear on the scanned
image)
Scanner Carriage
Unit
1. Check if there is not any dust on the LED.
1. Remove the extraneous matter from the
Document Glass (blow away the dusts).
The LED of Scanner Carriage Unit does
not light up.
Scanner Carriage
Unit
1. Check if the LED lights up.
1. Replace the Scanner Carriage Unit with new
one.
Summary of Contents for CX4200 - Stylus Color Inkjet
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 60: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 87: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 121: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 171: ...C H A P T E R 5 ADJUSTMENT ...
Page 187: ...C H A P T E R 6 MAINTENANCE ...
Page 194: ...C H A P T E R 7 APPENDIX ...
Page 221: ...Model PX A650 Stylus CX4700 CX4800 DX4800 DX4850 Board C571 PNL Rev D Sheet 1 1 ...
Page 222: ...Model Stylus CX4100 CX4200 DX4200 Board C577 PNL Rev A Sheet 1 1 ...