Epson Stylus PHOTO RX510 Service Manual page 26

EPSON Stylus PHOTO RX500/510
Troubleshooting without error display on LCD. For Items and pages, refer the following:
•
Faulty pump mechanism
(p26)
•
Ink is not absorbed at all or ink absorption is poor.
•
Faulty carriage operation (p27)
•
Printing is not carried out correctly.
•
Faulty print
(p28)
•
Faulty paper loading (p30)
•
Faulty paper ejection
(p30)
•
Printer stops during initialization
Faulty pump mechanism
Condition
When power is turned on, PF There are foreign matters on the PF
motor operation is abnormal. gear.
PF motor is faulty.
Ink is not absorbed at all or ink absorption is poor.
Condition
Ejected ink does not flow into Pump tube is crashed.
Ink Eject tube.
Capping unit is faulty.
Tube is projecting from cap.
Pump tube is entangled in the pump
unit.
Ink is not absorbed from head Dirt on cap
to cap.
Faulty slide-up of cap
Troubleshooting
(p26)
(p27)
(p31)
Table 3-4. Diagnostics when pump mechanism is abnormal
Cause
Operate the platen drive gear by hand and check whether it
rotates properly.
Check whether the internal coil resistance is just as specified
and whether the harness is connected properly. See
"Motor Resistance and Check Point" (p
Table 3-5. Diagnostics when ink is not absorbed
Cause
Check tube with the naked eye.
Check capping rubber with the naked eye.
Check with the naked eye whether tube is projecting from cap. Connect the tube correctly.
When cap assembly slides up completely, check whether there
is a small slack in pump tube between cap assembly and pump
unit.
Check whether any foreign matter is adhering to cap.
Check whether two compression springs are set on cap
assembly.
Troubleshooting for Printer
Check Point
Remove foreign matters.
Replace the printer mechanism.
Replace the printer mechanism or PF motor.
Table 3-21
35).
Check Point
Replace the printer mechanism or pump unit.
Replace the printer mechanism or capping unit.
Remove the entangled pump tube carefully, correct the tube
condition and connect it to the cap assembly.
Remove foreign matters from the cap and if the cap is
damaged, replace it with a new one.
Set the compression springs on the cap assembly.
Revision C
Remedy
Remedy
26