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Lexmark C772, C770 manual To be replaced

Models: C772 C770

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Troubleshooting

Symptom

Cause

Solution

 

 

 

Streaked horizontal lines

The print cartridges, the transfer

Replace the print cartridge, the transfer roller, the

 

roller, image transfer unit, or fuser

image transfer unit, or fuser as needed.

 

may be defective, empty, or worn.

From the printers operator panel, print the repetitive

 

 

ABCDE

 

defects guide to determine which component needs

 

to be replaced.

 

 

ABCDE

 

 

 

ABCDE

 

 

 

Streaked vertical lines

• Toner is smeared before fusing

• If paper is stiff, try feeding from another tray.

 

to the paper.

• Replace the color print cartridge causing the

 

• The print cartridge is defective.

 

streaks.

ABCDE

 

 

 

ABCDE

 

 

 

ABCDE

 

 

 

Print irregularities

• Paper has absorbed moisture

• Load paper from a fresh package in the paper

 

due to high humidity.

 

tray.

 

• You are using paper that does

• Avoid textured paper with rough finishes.

ABCDE

not meet the printer

• Make sure the printer paper type, paper texture,

• The image transfer unit and

 

paper you are using.

 

specifications.

 

and paper weight settings match the type of

ABCDE

transfer roller are worn or

• Replace the image transfer unit and transfer

defective.

 

roller.

ABCDE

• The fuser is worn or defective.

•

Replace the fuser.

 

 

 

Solving print quality problems

95

Page 94 Page 96
Page 95
Image 95
Lexmark C772, C770 manual To be replaced
Page 94 Page 96

C772, C770 specifications

The Lexmark C770 and C772 series of printers are robust color laser printers designed for medium to large workgroups that demand high-quality printing along with impressive speed and efficiency. These models stand out due to their impressive set of features and advanced technologies, catering to a range of business printing needs.

One of the hallmarks of the Lexmark C770 and C772 is their print quality. With a resolution of up to 1200 x 1200 dpi, these printers deliver sharp text and vibrant color graphics, making them ideal for producing professional-looking documents, presentations, and marketing materials. Additionally, the printers utilize Lexmark's unique Unison toner technology, which ensures consistent, high-quality printing throughout the life of the cartridge, reducing the need for frequent replacements and maximizing productivity.

Speed is another significant advantage of the C770 and C772 series. Both models are capable of printing at impressive speeds of up to 35 pages per minute for black and white prints and slightly lower for color documents. This rapid output allows businesses to meet tight deadlines without compromising on quality. Furthermore, the first-page-out time is notably fast, ensuring that users do not waste time waiting for their documents.

Connectivity options are extensive with the C770 and C772. These printers support USB, Ethernet, and optional wireless connections, enabling seamless integration into various network environments. This flexibility allows multiple users and devices to access the printer, facilitating collaboration and streamlining workflows.

Additionally, user-friendly features such as a large, intuitive LCD screen and an easy-to-navigate interface simplify printer management and operation. The printers also support advanced finishing options, including duplex printing, which saves paper and reduces costs, making them environmentally friendly choices for businesses.

Moreover, security features are incorporated to protect sensitive data, with options for secure printing and data encryption. This makes these printers suitable for environments where confidentiality is crucial.

In summary, the Lexmark C770 and C772 series are powerful color laser printers that combine exceptional print quality, impressive speed, versatile connectivity, and advanced features, making them a worthy investment for businesses looking to enhance their printing capabilities.