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Lexmark C6160

Lexmark C6160

Lexmark CS/X8xx and XCx1xx: White Paper - Reasons for Slow Printing


Printers have several settings/factors that can affect the output speed of the printer resulting in what the customer may claim to be “Slow Printing”. Slow Printing can be defined as, but not limited to, the following:

  • The printer is not running at the rated speed.

  • Print job takes longer to finish than previously.

  • Multipage print job slows down or changes print speeds at some point during the job.

  • The print job takes too long before it starts printing after pressing print or releasing print job via panel.

  • The printer pauses or stops during print job.

  • The printer changes print speeds during print job.

The settings/factors can range from the following:

  • Complexity and content of the page

  • Certain options added to or selected with the printer

  • Available memory in the printer

  • Media size, media type, and tray source

  • Print Resolution

  • Printer Usage setting

  • Environment

  • Thermal conditions inside the printer

  • Improper clearances and ventilation around the printer

Printer Settings:

Check the following printer and driver settings to improve print speed:

  • Print Resolution: “1200 dpi” will slow the printer down.

  • Quiet Mode: “On” will slow the printer down.

  • Media Type: Cardstock, Transparency, Labels, Vinyl Labels, and Envelopes will run at a slower rated speed than normal media.

  • Media Size: Throughput is reduced for narrow media to protect the printer from thermal damage. The printer can change to slower speed points multiple times depending on the number of pages of narrow media being printed in one or more print jobs.

  • Media/Tray Source: MPF, Tray 2, etc., have a longer paper path than Tray 1, leading to slight reductions in final print output speeds.

  • Media Weight: “Heavy” setting may run printer at a slower rated speed (on page 1 or some number pages into print job) than normal media weight.

  • Printer Usage: “Max Yield” will insert gaps as the printer switches from color only to black only modes depending on content to improve cartridge yield.

  • Finishing Options: Duplex, stapled, hole punched, as well as output location can affect the total path the media has to be transported through resulting in slower printer output.

  • Eco Mode: Minimizes the use of energy, paper, or specialty media. Setting Eco Mode to “Energy” or “Paper” may slow the printer output speed.

Printer Environment:

The environment the printer is located in can affect the printer performance and speed. The following factors can affect print speed:

  • Improper clearances and ventilation around the printer.

  • Elevated ambient environmental temperature.

  • Network bandwidth. Printers that are network connected can be affected by the network speed and cause delays.

Job Types:

Certain print job can affect the printer speed and performance such as:

  • Long print jobs

  • Complex jobs

  • Continuous heavy coverage printing


For the fastest print speed, load Plain Letter or A4 Paper in Tray 1 and use the following printer and driver settings:

  • Print Resolution: 4800 CQ

  • Quiet Mode: Off

  • Media Type: Plain Paper

  • Media Size: Letter/A4

  • Media/Tray Source: Tray 1

  • Media Weight: Normal

  • Finishing Options: Simplex, No hole punch or staple option, Std. Output Bin

  • Eco Mode: Off

The following clearances must be maintained for proper ventilation and operation of the CS820 / CS827 / CX820 / CX825 / CX827 / CX860 / C6160 / XC6152 / XC8155 / XC8160:

Minimum Clearance Requirements

CS820 / CS827 / C6160

CX820 / CX825 / CX827 / CX860 / XC6152 / XC8155 / XC8160


305mm (12in.)

330mm (13in.)

Left Side

457mm (18in.)

457mm (18in.)

Right Side

152mm (6in.)

152mm (6in.)


203mm (8in.)

203mm (8in.)


381mm (15in.)

381mm (15in.)


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