Epson ME100, Service Manual

Page: 70 / 135

EPSON Stylus CX1500/ME100 Revision A
TROUBLESHOOTING Troubleshooting 70
• 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”.)
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 Printer Mechanism with a new
one.
The Star wheel mark against the CR
movement direction.
Front Frame
1. Check if the Star Wheel does not come off. 1. Replace the Front Frame with a new one.
2. Check if the surface of the Front Frame is flat. 2. Replace the Front Frame 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 6 digits code of the Head ID into the
EEPROM by using the Adjustment Program.
Table 3-13. 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