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Samsung ML-1200 Cause and solution of Bad image, Vertical Black Line and Band, Description

Models: ML-1200 ML-1210

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Troubleshooting

4-2 The cause and solution of Bad image

4-2-1 Vertical Black Line and Band

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

1.Straight thin black vertical line occurs in the printing.

2.Dark black vertical band occur in the printing.

 

Check and Cause

 

Solution

1.

Damaged develop roller in the Developer

1.

If causes 1 and 2 occur in the developer

 

or deformed Doctor-blade.

 

cartridge, replace the developer and try to

 

 

 

print out.

2.

Scratched surface of the discharge roller

2.

Replace the transfer roller if occurred as

 

in the developer, or heavily accumulated

 

No. 3.

 

foreign matters between the discharge

 

 

 

roller and fur transfer roller/ charge roller.

 

 

3.Partly depression or deformation on the surface of the transfer roller.

4-2-2 Vertical White Line

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

White vertical voids in the image.

Check and Cause

 

Solution

 

 

 

1. Foreign matter stuck onto the window of

1.

Foreign matter stuck onto the window :

internal lenses of LSU mirror.

 

Clean the LSU window with recommend-

 

 

ed cleaner(IPA) Clean the window with a

 

 

clean cotton swab.

2. Foreign matter or toner particles between

 

 

the developer roller and blade.

2.

Foreign matter in the LSU : Open the

(In case the life of the developer has

 

cover of LSU and clean with a cotton

been expired, white lines occur in front of

 

swab on the surface of the reflex mirror.

the image.)

 

 

3. It may occur when Burr and foreign sub-

3.

No 3. : Remove the foreign matter and

stances are on the window of the devel-

 

burr of the exposure window.

oper frame.

 

 

4. If the fuser is defective, voids occur peri-

4.

No. 4. : Open the front cover and check

odically at the top of a black image.

 

ribs that corresponds to the position of

 

 

the voids. Remove if found.

 

5.

If the problems are not solved, check to

 

 

see if the weight of the developer is

 

 

below 670g. If so, replace the developer

 

 

cartridge.

 

 

 

Samsung Electronics

4-5

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Samsung ML-1200, ML-1210 Cause and solution of Bad image, Vertical Black Line and Band, Vertical White Line, Description
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ML-1200, ML-1210 specifications

The Samsung ML-1200 is a noteworthy monochrome laser printer designed to deliver impressively sharp and high-quality printouts, making it a popular choice for both home and small office environments. While it boasts a compact design, the ML-1200 does not compromise on performance, offering a variety of features that enhance productivity and ease of use.

One of the most defining characteristics of the ML-1200 is its print speed. Capable of producing up to 12 pages per minute (ppm), it ensures that users can handle their printing tasks quickly and efficiently. The first page out time is a mere 8.5 seconds, allowing users to receive their documents promptly without unnecessary delays.

Resolution is another critical factor in print quality, and the ML-1200 does not disappoint. With a printing resolution of up to 1200 x 1200 dots per inch (dpi), this printer provides crisp text and detailed graphics, making it suitable for various documents ranging from simple text files to more intricate reports and presentations.

Equipped with Samsung's unique ReCP (Rendering Engine for Clean Page) technology, the ML-1200 enhances the clarity of printed text and images. This technology works by improving edge detail and overall print quality, minimizing the chances of blurry or unclear outputs, which is a common issue with lower-tier models.

In terms of connectivity, the Samsung ML-1200 features standard USB 2.0 support, allowing users to connect the printer directly to their computer seamlessly. While it may lack wireless capabilities, this direct connection provides a stable and reliable interface for personal use.

The device offers a standard paper tray capacity of 150 sheets, along with a one-sheet manual feed slot, catering to different media types. The printer supports various paper sizes, including A4, Letter, and Legal, further enhancing its versatility for various printing tasks.

In conclusion, the Samsung ML-1200 is a robust monochrome laser printer that offers a combination of speed, print quality, and usability, making it an ideal choice for individuals and small businesses looking for a reliable printing solution. Its compact size and efficient technologies ensure that it can easily fit into any workspace while delivering outstanding results consistently.