TROUBLE-SHOOTING

Table 7.1 Print Quality Problems and Solutions

Problem

Solution

 

 

Printing is too

Make sure that the ribbon cartridge is

light or too dark.

properly installed and that the ribbon feeds smoothly.

 

Make sure that the paper thickness lever is set for the

 

thickness of your paper. See Table 3.2 in Chapter 3.

 

Check ribbon wear. Replace the ribbon if necessary.

 

 

Stains or smudges

Make sure that the paper thickness lever is set

appear on the

for the thickness of your paper. See Table 3.2 in

page.

Chapter 3.

 

Check ribbon wear. Replace the ribbon if necessary.

 

Check whether the tip of the print head is dirty.

 

Clean the head with a soft cloth if necessary.

 

 

The page is blank.

Make sure that the ribbon cartridge is properly

 

installed.

 

 

Printing is erratic

Make sure that the interface cable is securely

or the wrong

connected to both the printer and computer.

characters are

 

printed. Many

Make sure that the printer emulation selected in

"?" characters are

your software is the same as the emulation

printed.

selected on the printer. See the section Selecting an

 

Emulation in Chapter 2.

 

If you are using an RS-232C serial interface, make

 

sure that the serial settings required by your software

 

or computer are the same as the settings on the

 

printer. See the section Changing Hardware

 

Options in Chapter 5.

7-2

User's Manual

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Fujitsu DL3750+/3850+ manual Print Quality Problems and Solutions, Problem Solution