Condition

Suggested solutions

 

Horizontal stripes If horizontally aligned black streaks or smears

 

appear:

AaBbCc

• The toner cartridge may be installed improperly.

AaBbCc

Remove the toner cartridge and reinsert it.

• The toner cartridge may be defective. Remove the

AaBbCc

toner cartridge and install a new one. See

AaBbCc

page 8.4.

AaBbCc

• If the problem persists, the machine may require

repair. Contact a service representative.

 

Curl

If the printed paper is curled or paper does not feed

 

into the machine:

Turn over the stack of paper in the tray. Also try rotating the paper 180° in the tray.

Try printing to the rear cover.

Copying problems

Condition

Suggested solutions

 

 

Copies are too light or

Use Darkness to darken or lighten the background

too dark.

of the copies.

 

 

Smears, lines, marks,

• If defects are on the original, use Darkness to

or spots appears on

lighten the background of your copies.

copies.

• If no defects are on the original, clean the scan

 

unit. See page 8.2.

 

 

Copy image is

• Ensure that the original is face down on the

skewed.

document glass.

 

• Check that the paper is loaded correctly.

 

 

Blank copies print

Ensure that the original is face down on the

out.

document glass.

 

 

Image rubs off the

• Replace the paper in the paper input tray with

copy easily.

paper from a new package.

 

• In high humidity areas, do not leave paper in the

 

machine for extended periods of time.

 

 

Frequent copy paper

• Fan the stack of paper, then turn it over in the

jams occur.

paper input tray. Replace the paper in the paper

 

input tray with a fresh supply. Check/adjust the

 

paper guides, if necessary.

 

• Ensure that the paper is the proper paper weight

 

80 g/m2 (20 lb bond) paper is recommended.

 

• Check for copy paper or pieces of copy paper

 

remaining in the machine after a paper jam has

 

been cleared.

 

 

9.9

Condition

Suggested solutions

 

 

Toner cartridge

• Your originals may contain pictures, solids, or

produces fewer copies

heavy lines. For example, your originals may be

than expected before

forms, newsletters, books, or other documents

running out of toner.

that use more toner.

 

• The machine may be turned on and off frequently.

 

• The document cover may be left open while

 

copies are being made.

 

 

Scanning problems

Condition

Suggested solutions

 

 

The scanner does not

• Make sure that you place the document to be

work.

scanned face down on the document glass.

 

• There may not be enough available memory to

 

hold the document you want to scan. Try the

 

Prescan function to see if that works. Try lowering

 

the scan resolution rate.

 

• Check that the USB cable is connected properly.

 

• Make sure that the USB cable is not defective.

 

Switch the cable with a known good cable. If

 

necessary, replace the cable.

 

• Check that the scanner is configured correctly.

 

Check scan setting in the SmarThru Configuration

 

or the application you want to use to make

 

certain that the scanner job is being sent to the

 

correct port, for example, LPT1.

 

 

The unit scans very

• Check if the machine is printing received data. If

slowly.

so, scan the document after the received data

 

has been printed.

 

• Graphics are scanned more slowly than text.

 

• Communication speed slows in scan mode

 

because of the large amount of memory required

 

to analyze and reproduce the scanned image. Set

 

your computer to the ECP printer mode through

 

BIOS setting. It will help to increase the speed.

 

For details about how to set BIOS, refer to your

 

computer User’s Guide.

 

 

Troubleshooting

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Samsung SCX-4300 manual Copying problems, Scanning problems, Curl