EPSON Stylus PHOTO 810/820/830

 

 

 

Revision B

 

 

 

 

Table 3-18. Poor printing quality

 

 

 

 

 

 

 

 

 

 

Error condition

Occurrence

CR position at the

Phenomenon

Unit/Part name

Possible cause

Check table

 

timing

power on timing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The seal rubber portion of the Cap has any foreign material

 

 

 

 

 

 

 

or any damage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The spring under the Cap comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Pump tube comes off from the bottom of the Cap.

 

 

 

 

 

 

Cap unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dot missing

 

The Extension spring 0.523 (for the Slider cap) comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

The Extension spring 0.383 (for the Slider lock lever) comes

 

 

 

 

 

No printing

 

 

 

 

 

 

 

off.

 

 

 

 

 

Misalignment

 

 

 

 

 

 

 

 

 

 

 

 

 

Mixed color

 

The Slider lever is damaged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ink cartridge

The ink amount in I/C is end condition.

 

 

 

 

 

 

 

 

 

 

Poor printing

 

 

 

Main board

The Main board is defective.

 

 

Operation

-

 

 

 

Refer to Table 3-19

 

 

 

The Printhead has any foreign material on the nozzle surface.

 

quality

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printhead

The Printhead is defective.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Head FFC is damaged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR motor

The accuracy of the CR motor is lowered.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The CR guide shaft has any stain or any damage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR unit

The lubrication amount of the grease is insufficient.

 

 

 

 

 

Vertical banding

 

 

 

 

 

 

The Torsion spring for the CR guide shaft comes off.

 

 

 

 

 

 

 

 

 

 

 

against the CR

 

 

 

 

 

 

 

 

The both I/C is not hold by the I/C cover securely.

 

 

 

 

 

movement direction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front frame

The lubrication amount of the grease is insufficient.

 

 

 

 

 

 

 

 

 

 

 

 

 

The Front frame is bent up or down.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printhead

Each segment is printed correctly in the nozzle check pattern.

 

 

 

 

 

 

 

 

 

Troubleshooting

Unit Level Troubleshooting

80