Brother HL-1430 Guide de l'utilisateur télécharger pdf (Page 87)

6 - 12 TROUBLESHOOTING

White Spots on black text

and graphics at 94 mm

(3.7 in.) intervals

Black Spots at 94 mm

(3.7 in.) intervals

■ If the problem is not solved after printing a few pages, the drum unit may have

glue from label stock on the OPC drum surface.

Clean the drum unit as follows:

Position the print sample in front of the drum unit, and find the exact position

of the poor print.

Turn the drum unit gear by hand while looking at the surface of the OPC

drum.

When you find the mark on the drum that matches the print sample, wipe the

surface of the OPC drum with a cotton swab until the dust or paper powder

on the surface comes off.

Caution

Do not try to clean the surface of the photosensitive drum with a sharp

object, such as a ball-point pen.

■ The drum unit may be damaged. Put in a new drum unit. See Replacing the

drum unit on page 5-9.

Examples of poor print

quality

Recommendation

94 mm

(3.7 in.)

94 mm

(3.7 in.)

94 mm

(3.7 in.)

94 mm

(3.7 in.)

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Brother HL-1430 Guide de l'utilisateur Page 87