Administrative support

Adjusting Power Saver

To adjust the Power Saver setting:

1Make sure the printer is on and Ready appears on the display.

2Press on the operator panel.

3Press until Settings appears, and then press .

4Press until Setup Menu appears, and then press .

5Press until Power Saver appears, and then press .

6Using the numeric pad or the right and left arrows on the operator panel, enter the number of minutes for the printer to wait before entering Power Saver.

The settings available range from 2–240 minutes. If you want to turn Power Saver off, see Disabling Power Saver on page 106.

7Press .

Submitting Selection appears.

Note: You can also adjust the Power Saver setting by issuing a Printer Job Language (PJL) command. For more information, see the Technical Reference available on our Lexmark Web site at www.lexmark.com.

Disabling Power Saver

Disabling Power Saver is a two step process. First, you must turn the variable on, and then select the variable. To disable Power Saver:

1Turn the printer off.

2Press and hold and while turning the printer on.

3Release both buttons when Performing Self Test appears on the display.

The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.

4Press until Energy Conserve appears, and then press .

5Press until Off appears, and then press .

Submitting Selection appears.

The operator panel returns to Energy Conserve.

6Press until Exit Config Menus appears, and then press .

Resetting the Printer appears briefly followed by a clock. The operator panel then returns to Ready.

7Make sure Ready appears.

8Press on the operator panel.

9Press until Settings appears, and then press .

10Press until Setup Menu appears, and then press .

11Press until Power Saver appears, and then press .

12Use either the numeric keypad or the right and left arrows to enter 0 (zero). Disabled appears, and then press

.

Submitting Selection appears. Power Saver is now disabled.

Adjusting Power Saver

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Lexmark 840 manual Adjusting Power Saver, Disabling Power Saver

840 specifications

The Lexmark 840 is a versatile and robust multifunction printer designed to meet the demands of a modern office environment. This high-performance device is renowned for its impressive combination of printing, copying, scanning, and faxing capabilities, making it an invaluable asset for businesses seeking efficiency and productivity.

One of the main features of the Lexmark 840 is its high-resolution printing capability, which delivers crisp and clear documents at a speed of up to 42 pages per minute. The maximum resolution of up to 1200 x 1200 dots per inch (dpi) ensures that text and images come out looking sharp and professional. This device supports a variety of media types and sizes, including envelopes, labels, and cardstock, enabling users to tackle diverse printing tasks with ease.

In addition to its printing prowess, the Lexmark 840 boasts advanced copying features. With a copy speed of up to 42 copies per minute and the capability to enlarge or reduce the size of documents, users can easily manage large-volume copying tasks. The automatic document feeder (ADF) can handle up to 100 sheets, streamlining the copying process and saving valuable time for busy offices.

Scanning capabilities are also a notable aspect of the Lexmark 840. The device offers color and monochrome scanning with a resolution that can reach up to 600 x 600 dpi. A key highlight is its ability to scan documents directly to email, network folders, or USB, facilitating seamless document management and sharing.

In terms of technology, the Lexmark 840 integrates advanced security features to protect sensitive data. Its Secure Print functionality ensures that documents are only printed when the authorized user is present, thereby minimizing the risk of confidential information falling into the wrong hands. Additionally, the printer supports various connectivity options, including USB, Ethernet, and wireless connections, allowing users to connect their devices easily.

The Lexmark 840 is built for durability and longevity, featuring a robust design that withstands the rigors of a high-demand office. Its high-yield toner cartridges significantly reduce the total cost of ownership, making it an economical choice for organizations looking to manage their printing expenses effectively.

In summary, the Lexmark 840 combines high-speed printing, advanced copying, and efficient scanning in a single device, backed by a suite of security features and versatile connectivity options. This multifunction printer is ideal for businesses that prioritize performance and reliability in their print operations.