Horizontal Periodic Light/Dark Band Or Dot - Samsung MULTIXPRESS CLX-9251 Series Service Manual

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4. Troubleshooting

4.6.4. Horizontal periodic Light/Dark Band or Dot

A. Typical faulty images

B. Troubleshooting procedure

Horizontal periodic band (OPC, 94.2 mm)

OPC was exposed for a long time.

OPC is damaged by high voltage in a short time.

Horizontal periodic light/dark band (Roller-magnetic,

Roller-magnetic is inferior in quality.

V-groove of Roller-magnetic surface is not

As some time passes, most of this trouble will disappear.

If not, replace the Drum Unit.

(Refer to 3.3.2.1.)

Replace the Developer Unit.

(Refer to 3.2.2.2.)

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