Epson LQ-680, LQ-680Pro The printout is faint, The printout has gaps, Part of the printout is missing, or dots are missing in random positions

The printout is faint.

Cause What to do

The paper thickness lever is not set correctly.

Set the paper thickness lever to match the thickness of your paper. See “Adjusting the Paper Thickness Lever” on page 2-6.

The ribbon is worn out.

Replace the ribbon cartridge as described in Chapter 1.

The printout has gaps.

Cause What to do

The paper thickness lever is not set correctly.

Set the paper thickness lever to match the thickness of your paper. See “Adjusting the Paper Thickness Lever” on page 2-6.

Part of the printout is missing, or dots are missing in random positions.

Cause	What to do
The ribbon has too much	Remove any slack in the ribbon by
slack, the ribbon has come	turning the ribbon-tightening knob,or
loose, or the ribbon cartridge	reinstall the ribbon cartridge as
is not installed properly.	described in Chapter 1.
The ribbon is worn out.	Replace the ribbon cartridge as
	described in Chapter 1.

5-12Troubleshooting