Troubleshooting

4-5-4 Signs and Measures at Poor toner cartridge

 

 

 

Fault

Signs

Cause & Check

Solution

 

 

 

 

 

 

 

 

 

Light image and

• The printed image

1. If the image is light or unclean

1. All of 1, 2, 3 above-

 

partially blank

is light or unclean

and untidy printed image -

(1)The weight of the developer

 

image

and untidy.

Shake the developer and

ended: 800g ± 20g

 

(The life is ended.)

 

then recheck.

(2)If it become better by shaking,

 

 

 

 

 

• Some part of the

(1)NG: Check the weight of the

replace with a new developer

 

 

 

Digital Printer

 

image is not print-

developer

after 50-100 sheets in the clos-

 

 

 

 

ed.

(2)OK: Lack of toner, so the life

ing state of the life span.

 

 

 

Digital Printer

 

 

 

 

 

 

is nearly closed.

2. In case of 2-

 

 

 

Digital Printer

 

 

 

 

 

 

• Periodically a noise

2. Some part of image is not

If it becomes better after clean-

 

 

 

Digital Printer

 

 

 

 

 

as "tick tick" occurs.

printed - Shake the develop-

ing the LSU window, then the

 

 

 

Digital Printer

 

 

er and then recheck.

developer is normal.

 

 

 

 

 

 

(1)NG: Check the weight of the

(Because of foreign substance

 

 

 

 

 

 

developer and clean

on the LSU window, the image

 

 

 

 

 

 

the LSU window with a

has not been printed partly.)

 

 

 

 

 

 

cotton swab, then

 

 

 

 

 

 

 

recheck.

 

 

 

 

 

 

 

(2)OK: Lack of toner, so the life

 

 

 

 

 

 

 

is nearly closed.

 

 

 

 

 

 

 

3. Periodically a noise as "tick

3. In case of 3-

 

 

 

 

 

 

tick" occurs - Measure the

If the cycle of noise is about 2

 

 

 

 

 

 

cycle and the weight of the

seconds, the toner inside the

 

 

 

 

 

 

developer.

developer has been nearly

 

 

 

 

 

 

 

exhausted.( Purchase and

 

 

 

 

 

 

 

replace with a new developer

 

 

 

 

 

 

 

after using about 200 sheets at

 

 

 

 

 

 

 

the point of occurrence)

 

 

 

 

 

 

4. White vertical stripes on the

4. In case of 3-

 

 

 

 

 

 

whole screen or partly :

This is a phenomenon caused

 

 

 

 

 

 

Check the weight of the

by lack of toner, so replace with

 

 

 

 

 

 

developer.

a new developer.

 

 

 

 

 

 

Toner

• Toner is fallen on

1. Toner is fallen on the paper

1. If both ends of the OPC drum

 

Contamination

the papers periodi-

periodically.

are contaminated with toner:

 

 

 

 

 

cally.

(1)Check the cycle of the

Check the life of the developer.

 

 

 

 

 

 

falling of the toner.

(In case of less than 820g, the

 

 

 

 

 

• Contaminated with

(2)Check the appearance of

life may be expired.)

 

 

 

 

 

toner on prints part-

both ends of the developer

 

 

 

 

 

 

ly or over the whole

OPC drum.

 

 

 

 

 

 

surface.

 

 

 

 

 

 

 

 

2.The center of the printed mat-

2. Check whether it could be recy-

 

 

 

 

 

 

ter is contaminated with toner.

cled.

 

 

 

 

 

 

(1)Check whether foreign sub-

 

 

 

 

 

 

 

stances or toner are stuck

 

 

 

 

 

 

 

to the terminal (contact

 

 

 

 

 

 

 

point) of the developer.

 

 

 

 

 

 

 

(2)Check whether the state of

 

 

 

 

 

 

 

the terminal assembly is

 

 

 

 

 

 

 

normal.

 

 

 

 

 

 

 

 

3. If it cannot be recycled:

 

 

 

 

 

 

 

Replace the developer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-22

Samsung Electronics

Page 34 Page 36
Page 35
Image 35
Samsung ML-1210, ML-1200 Signs and Measures at Poor toner cartridge, Fault Signs Cause & Check Solution Light image, Image
Page 34 Page 36

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.
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