Epson Stylus Photo RX640 series, Service Manual

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EPSON Stylus PHOTO RX640/650 Revision A
Troubleshooting Troubleshooting When There is No Error Display 33
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Printer stops during initialization
Table 3-4. Diagnostics when printer stops during format
Condition Cause Check Point Remedy
Printer error is
indicated.
Paper Eject Frame not installed
properly
Check to see if the hook securing the Paper Eject Frame has been engaged. Install the Paper Eject Frame properly.
CR Motor not operating
properly
Check for disconnected CR Motor connector. Check the connector (CN3) of the CR Motor.
Check to see if CR Motor coil resistance is as specified. Replace the CR Motor.
PF Motor not operating
properly
Check for disconnected PF Motor connector. Check the connector (CN4) of the PF Motor.
Check to see if PF Motor coil resistance is as specified. Replace the PF Motor.
Linear Scale not operating
properly
Check to see if the Linear Scale is traveling through the CR Encoder. Enable the Linear Scale to pass through the CR Encoder.
Check for dirt on Linear Scale. Completely clean the Linear Scale.
Check for damaged Linear Scale. Replace the Linear Scale.
CR Encoder not operating
properly
Check to see if Encoder FFC is connected to CR Encoder Board. Connect the Encoder FFC to the CR Encoder Board.
Check for paper bits and dust adhering to CR Encoder. Remove paper bits and dust adhering to the CR Encoder.
Check for damaged Encoder FFC. Replace the Encoder FFC (Carriage Assy).
Check for damaged CR Encoder. Replace the Carriage Assy.
Rotary Scale not operating
properly
Check to see if the Rotary Scale is not traveling through the PF Encoder. Enable the Rotary Scale to pass through the PF Encoder.
Check for dirt on Rotary Scale. Completely clean the Rotary Scale.
Check for damaged Rotary Scale. Replace the Rotary Scale.
PF Encoder not operating
properly
Check to see if Encoder FFC is connected to PF Encoder Board. Connect the Encoder FFC to the PF Encoder Board.
Check for paper bits and dust adhering to PF Encoder. Remove paper bits and dust adhering to the PF Encoder.
Check for damaged Encoder FFC. Replace the Encoder FFC.
Check for damaged PF Encoder. Replace the PF Encoder.
Head FFC not operating
properly
Check for disconnected Head FFC.
Firmly connect the Head FFC to the Main Board CN6 ~7 and to the
Printhead.
Check for damaged Head FFC. Replace the Head FFC.
Head Hot Error generated Check to see if ink is emitted from all nozzles. If condition does not improve after cleaning, replace the Printhead.