EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450
Revision A
TROUBLESHOOTING
Troubleshooting
57
• White streak/
color unevenness
occurrence
Micro banding appears horizontally
against the CR movement direction and
it appears with the same width.
[Note]
If the problem is not solved, replace the
PF Motor with a new one.
Printer driver &
exclusive paper
1. Check if the suitable paper is used according to the printer
driver setting.
1. Use the suitable paper according to the printer
driver setting.
Print Head
1. Check if each segment is printed correctly in the Nozzle
Check Pattern.
1. Perform the Head Cleaning and check the
Nozzle Check Pattern. (Refer to
Chapter 5
“ADJUSTMENT”
(p.106)
.)
If the problem is not solved, replace the Print
Head with a new one.
PF Roller Unit
1. Check if there is not any foreign material on the surface
of the PF Roller Unit.
1. Clean the surface of the PF Roller Unit
carefully with the soft cloth.
2. Check if the PF Roller Unit is not damaged.
2. Replace the PF Roller Unit with a new one.
The Star wheel mark against the CR
movement direction.
EJ Frame Assy
1. Check if the Star Wheel Holder does not come off.
1. Reassemble the Star Wheel Holder correctly.
2. Check if the surface of the EJ Frame Assy is flat.
2. Replace the EJ Frame Assy with a new one.
Printing is blurred.
Printer driver &
exclusive paper
1. Check if the suitable paper is used according to the printer
driver setting.
1. Use the suitable paper according to the printer
driver setting.
Print Head
1. Check if the correct Head ID is stored into the EEPROM
by using the Adjustment Program.
1. Input 13 digits code of the Head ID into the
EEPROM by using the Adjustment Program.
Table 3-16. Check point for the poor printing quality
Print Quality
State
Detailed phenomenon
Defective
unit/part name
Check point
Remedy
CR movement
direction
PF Roller Unit
Содержание CX4400 - Stylus Color Inkjet
Страница 1: ...EPSONSTYLUSCX4300 CX4400 CX5500 CX5600 DX4400 DX4450 Color Inkjet Printer SEMF07 004 SERVICE MANUAL ...
Страница 5: ...Revision Status Revision Issued Date Description A April 23 2007 First Release ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 23: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 32: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 60: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Страница 100: ...C H A P T E R 5 ADJUSTMENT ...
Страница 108: ...C H A P T E R 6 MAINTENANCE ...
Страница 115: ...C H A P T E R 7 APPENDIX ...
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