Epson STYLUS COLOR 580, Руководство по обслуживанию

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EPSON Stylus COLOR 580 Revision A
Troubleshooting Unit Level Troubleshooting 55
3.2 Unit Level Troubleshooting
You can identify the troubles, using the checklist in this section and then find defective
parts. When you find out defective parts, replace them by referring the Chapter 4
“Disassembling.”
In your repair activity, connect the printer to your PC and check the Status monitor 3
by identify the trouble because this printer dose not have control panel. Based on the
Status monitor 3 indication or phenomenon, check the printer more detail by referring
the corresponding check table.
Table 3-8. Symptoms and possible cause
Symptom Possible Cause Check table
Paper out error indication on
STM3 (Paper is not loaded
correctly)
• The friction of the LD roller is lowered due
to the paper dust.
• The clutch mechanism is broken.
• Tension spring 0.143 come off in the clutch
mechanism.
• Compression spring 0.98 comes off.
• Tip of Change lever has any damage.
• PF motor is broken
Table 3-9
Table 3-10
Table 3-11
Paper jam error indication
on STM3
• Star wheel assembly is not assembled on
the Paper eject frame.
• The Spur gear 15 is not assembled
correctly
• The paper guide front is not assembled
correctly or has any damage.
• The PE detection lever dose not move
smoothly
Table 3-12
Table 3-13
Table 3-14
Multiple papers are always
loaded.
• The paper return plate dose not work
correctly.
Table 3-15
Paper is always loaded
without any print job
• The Change lever is broken in the Clutch
mechanism.
Table 3-16
General error indication on
the STM3
• HP/IC sensor lever or PE sensor lever dose
not move smoothly.
• HP/PE/IC sensor is defective.
• CR motor is defective.
• PF motor is defective
• Main board is defective.
• Printer Housing dose not secured with
screw on -the printer mechanism
Table 3-17
Table 3-18
Table 3-19
Communication error on the
STM3
• The main board is defective
• The power supply board is defective.
• The parallel cable dose not support the bi-
directional transportation.
• The suitable print driver is not installed into
the PC.
Figure 3-20
Any error indication is not
displayed. But, the paper is
not ejected completely.
Paper jam dose not occur.
• Paper eject roller gear is disengaged from
the pump’s gears.
• The Paper eject frame is not assembled in
the Paper eject frame.
Figure 3-21
Dot missing occur and it is
not recovered with CL
• Pump unit dose not absorb the ink from the
printhead.
• Cap unit dose not stick on the surface of the
printhead completely.
• The printhead is broken
• The head FFC has any damage.
• The main board is defective.
Figure 3-22
Figure 3-23
Figure 3-24
Print quality is not good
• Vertical banding
• Horizontal banding
• Printing is blurred
• Ink stains the paper
• The accuracy of the CR motor is lowered.
• The lack of the lubricant around the CR
unit.
• The both I/C is not held in the CR unit
securely.
• The Paper eject frame is deformed.
• Any foreign material is sticking around the
printhead.
• Paper feed accuracy is lowered.
• Printer driver setting is not suitable.
• Paper path has ink stain somewhere.
Table 3-25
Table 3-26
Table 3-27
Table 3-8. Symptoms and possible cause (continued)
Symptom Possible Cause Check table