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EPSON Stylus PHOTO 810/820/830 Revision B
Troubleshooting Unit Level Troubleshooting 84
Operation
-
Vertical banding appears against the CR
movement direction. And, it looks like
uneven printing.
Front frame
1. Check if the grease is enough on the surface of the
Front frame.
2. Check if the surface of the Front frame is flat.
1. Clean the surface of the Front frame with the
dry soft cloth and lubricate G-58 on its shaft.
Refer to Figure 6-6/Figure 6-7.
2. Replace the Front frame with new one.
Printhead
1. Check if each segment is printed correctly in the nozzle
check pattern.
1. Perform the printhead cleaning and check the
nozzle check pattern.
If the problem is not solved, replace the
printhead with new one.
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 new one.
PF roller unit
1. Check if there is any foreign material on the surface of the
PF roller.
2. Check if the PF roller is damaged
3. Check if the Spur gear 60 is damaged.
1. Clean the surface of the PF roller carefully
with the soft cloth.
2. Replace the Printer mechanism with new one.
3. Replace the Printer mechanism with 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.
Printhead
1. Check if each segment is printed correctly in the nozzle
check pattern.
1. Perform the printhead cleaning and check the
nozzle check pattern.
If the problem is not solved, replace the
printhead with new one.
Table 3-19. Check point for the poor printing quality
Occurrence
timing
CR position
Detailed phenomenon
Defective
unit/part name
Check point Remedy
G-58 lubrication
CR movement
direction