Cabletron Systems WPIM-RT1 Specifikace stáhnout pdf (Strana 110)

Troubleshooting

Service Manual

7-9

Samsung Electronics

7.3 Paper Feed Problems – Causes and Solutions

7.3.1 Wrong Print Position

• Description Printing begins when the paper is in the wrong position.

Digital Printer

Check and Cause Solution

A defective feed sensor actuator can cause

incorrect timing.

Replace the defective actuator

7.3.2 Vertical White Line

• Description White vertical voids in the image.

Digital Printer

Check and Cause Solution

1. 1. Contamination of the window or

internal lenses of LSU mirror.

2. Foreign object inside the toner cartridge

or low toner.

3. Foreign object, contamination or burr on

the edge of the toner cartridge window.

4. If the fuser is defective, voids occur

periodically at the top of a black image.

5. Contamination of the OPC drum.

6. Depression or deformation of the surface

of the transfer roller

1. Clean the LSU window with recommended

cleaner (IPA) Clean the window with a

clean cotton swab. If dirt is inside the LSU

– replace LSU.

2. Replace the toner cartridge.

3. Clean the exposure window.

4. Open the front cover and check the ribs

that correspond to the position of the

voids. Remove if found.

5. If the problems are not solved, replace

the toner cartridge.

6. Replace the transfer roller.

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Cabletron Systems WPIM-RT1 Specifikace Strana 110