Troubleshooting

Symptom

Cause

Solution

Held jobs do not print.

A formatting error has

• Print the job. (Only part of the job may print.)

 

occurred.

• Delete the job.

 

 

• Free up additional printer memory by scrolling through the list of

 

The printer has

 

held jobs and deleting others you have sent to the printer.

 

insufficient memory.

 

 

 

 

 

 

The printer has received

Delete the job.

 

invalid data.

 

 

 

 

Job takes longer than

The job is too complex.

Reduce the complexity of your print job by eliminating the number

expected to print.

 

and size of fonts, the number and complexity of images, and the

 

 

number of pages in the job.

 

 

 

 

Page Protect is set to

Set Page Protect to Off from the Setup Menu.

 

On.

For more information, see the Menus and Messages Guide.

 

 

 

 

 

Job prints from the

The operator panel menu

Make sure the Paper Size and Paper Type specified in the printer

wrong tray or on the

settings do not match the

driver match the paper size and type in the tray.

wrong paper or specialty

media loaded in the tray.

 

media.

 

 

 

 

 

Incorrect characters

You are using an

If you are using a parallel interface, make sure you are using an

print.

incompatible parallel

IEEE 1284-compliant parallel cable. We recommend Lexmark part

 

cable.

number 1329605 (10 ft) or 1427498 (20 ft) for the standard parallel

 

 

port.

 

 

 

 

The printer is in Hex

If Ready Hex appears on the display, you must exit Hex Trace

 

Trace mode.

mode before you can print your job. Turn the printer off and back

 

 

on to exit Hex Trace mode.

 

 

 

Tray linking does not

Tray linking is not

• Make sure both the size and type of media are the same in both

work.

configured properly.

trays.

 

 

• Make sure the paper guides in the trays are set for the correct

 

 

size media.

 

 

• Make sure the menu values for both size and type are set

 

 

correctly in the Paper menu.

 

 

• See Linking trays on page 59 or see the Menus and

 

 

Messages Guide for more information.

 

 

 

Large jobs do not collate.

Collate is not set to On.

Set Collation to On in the Finishing Menu or through the printer

 

 

driver.

 

 

Note: Setting Collation to Off in the driver overrides the setting in

 

 

the Finishing Menu.

 

 

See the Menus and Messages Guide for more information.

 

 

 

 

The job is too complex.

Reduce the complexity of the print job by eliminating the number

 

 

and size of fonts, the number and complexity of images, and the

 

 

number of pages in the job.

 

 

 

 

The printer does not

Add printer memory or an optional hard disk.

 

have enough memory.

 

 

 

 

Unexpected page breaks

The job has timed out.

Set Print Timeout to a higher value from the Setup Menu.

occur.

 

See the Menus and Messages Guide for more information.

 

 

 

 

 

Solving printing problems

96

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Image 96
Lexmark 840 Set Page Protect to Off from the Setup Menu, See Linking trays on page 59 or see the Menus, Finishing Menu

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.