free pdf instructions. Find the office and computer equipment manual you need at ManualsOnline. Lexmark CN Printer User Manual. Page 1. Page 2. Following pdf manuals are available: Lexmark CN Installation Instruction, Reference Guide, User Manual. Service Manual. xx, 4xx. Go Back. Previous. Next. Assembly 1: Covers . 4. 3. 1. 6. 5. 8. 7. 2. 9 www MK-Electronic de.

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Remove the packing in question f540n Got it, continue to print. Page xx, 4xx parts catalog removal operating modes service check operator panel imaging unit IU buttons description overview parts catalog parts catalog removal removal input source tests service check display blank, 5 beeps manyal or more buttons fail low-voltage power supply LVPS Page xx, 4xx half-color page pick tires, sheet media tray horizontal banding printhead horizontal line right lower frame insufficient amnual toner cartridge contacts menu settings page toner density sensor TDSleft and right missing image at edge Expose xx, 4xx Step 2: Print is too dark.

The right and left lower frames are in the same FRU. Page xx, 4xx Remove the two top screws E near the front. Media drawers and trays Page Page – Assembly 6: Understanding jam numbers and locations.


Remove the left cover. To change the Defaults: If a reflective projector must be used, then adjusting the Toner Darkness setting to 1, 2, or 3 will lighten the transparency.

Lexmark Printer CN User Guide |

Press Mqnual to continue printing. Frames xx, 4xx Assembly 2: Using the host computer to update the firmware over USB Note: If a sensor is replaced, enter the digit hexadecimal toner density value TPS value from the bar code next to the sensor.

Tools Required For Service xx, 4xx Tools required for service Flat-blade screwdrivers, various sizes 1 Phillips screwdriver, magnetic 2 Phillips screwdriver, magnetic 2 Phillips screwdriver, magnetic short-blade Long-shank Phillips screwdriver at least 8 in.

Observe the cable routing. These machines use differences in charge to manipulate and move toner from the toner cartridge to the printed page. When replacing the controller board, verify the cable from the high-voltage power supply is seated properly.

If a third tray is needed, the third one needs to be an optional sheet drawer. Paper types supported by the printer.

For more manjal troubleshooting information, consult the Lexmark Network Setup Guide.

Replace the toner Cartridge c40n low cartridge, and then close the toner door to clear the message and continue printing. Because of the charge difference between the toner on the developer roll and the electrostatic image created by the laser, the toner will cling to the PC.


Page xx, 4xx Rotate c540nn release lever C in a counterclockwise direction with a springhook or needlenose pliers to decouple the ITU while pulling the ITU toward the front. Rear shield removal The rear shield is not a field replaceable unit FRU. Remove the LVPS shield. Manial xx, 4xx Controller board connectors continued Note: The charge roll is part of the photoconductor unit.

Page xx, 4xx Unlatch the front bottom corner tab Eand lower the front while disengaging from the top cover.

On the right side, loosen the screw E with a screwdriver, and hold manuao ACM in place as you use your fingers to remove the screw. This problem most commonly occurs when projecting transparencies with reflective overhead projectors. It is divided into the following chapters: Open the toner supply door. Not all models have all three cables shown.

Lexmark C540n C543dn C544 series service manual download

Unplug and change mode. The diagram shows the menus on the operator panel and items available under each menu. Always use paper between and Sheffield points; however, smoothness between and Sheffield points produces the best print quality.