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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lower housing

The porous pad for the “no margin” printing comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PF motor

The accuracy of the PF motor is lowered.

 

 

 

 

 

 

 

 

 

 

 

 

 

Horizontal banding

 

The PF roller has any foreign material.

 

 

 

 

 

 

 

 

 

 

 

 

against CR movement

PF roller unit

The PF roller is damaged

 

 

 

 

 

direction

 

 

 

 

 

 

 

 

The Spur gear 60 is damaged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printer driver

The printer driver setting is not suitable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printhead

Each segment is printed correctly in the nozzle check pattern.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front frame

The Front frame is bent down.

 

 

 

 

 

 

 

 

 

 

 

 

Star wheel mark

The Star wheel comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paper eject roller unit

The Paper eject roller shaft comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

Insufficient top margin

LD roller unit

The friction of the LD roller is lowered.

 

 

 

 

 

 

 

 

 

 

Poor printing

Operation

-

Ink Blur

Printer driver

The printer driver setting is not suitable.

Refer to Table 3-19

 

 

 

 

quality

Printhead

The Head ID is not input correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front frame

The Front frame has the ink stain somewhere.

 

 

 

 

 

 

 

 

 

 

 

 

 

The Front frame is bent up.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lower housing

The Lower housing has the ink stain somewhere.

 

 

 

 

 

 

 

 

 

 

 

 

 

The porous pad for the “no margin” printing comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ink stain

Paper eject roller unit

The Paper eject roller has ink stain somewhere.

 

 

 

 

 

 

 

 

 

 

 

The Spur gear 60 comes off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paper guide upper/left

The Paper guide upper/left has ink stain somewhere.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PF roller unit

The PF roller has ink stain somewhere.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printhead

The Printhead has the ink drop on the nozzle surface.

 

 

 

 

 

 

 

 

 

 

 

 

 

The Printhead cover has the ink drop.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wrinkle

ASF unit

The Hopper pad/LD pad is correctly not pasted on the dent.

 

 

 

 

 

 

 

 

 

Troubleshooting

Unit Level Troubleshooting

81