You will need
Disconnect the device from the power source, open the top cover and remove the print cartridge, remove the power cord and the cable connecting the printer to the computer. Install the switch so that it does not interfere with the removal of the wall of the printer.
Flip the device over and Unscrew the screws in the rear panel using a Phillips screwdriver, in this model there are 4 of them. Do the same with the screws on the fuser. When you remove it from your printer, be extremely careful not to break the sensor paper exit.
Lift the scanner area so that showed a special attachment, otdelnie them in order to remove one of the side covers of the device. Be careful, these mounts are not quite reliable.
Do the same on the other side. After remove all the walls, you should see the reducer unit, Unscrew the mount and remove the device. Bolts from the various parts of the printer and fold separately to further avoid damaging the thread.
Remove the laser scanning device, and disconnect feeder. Best clean the internal parts of the printer. This is especially necessary in the case that were printed a large number of pages. Also the remains of the toner may be contained in the cartridge. Reassemble the printer in reverse order.
If you are disassembling for the first time, it is best to have a manual that you can find in standard. Before the expiry of the warranty period, provide the unit employees of service centers, as this may deprive you of the obligations of the manufacturer.
Advice 2: How to disassemble the printer
Whether it's the printer or MFP, but some print issues directly related to the fault inside the machine which are not a standard tool of diagnosis. And then there is only one way out - repair of penetrating into the bowels of the device.
You will need
The causes can be many: clogged/dried up print head, you need to clean the paper sensor, check the feed mechanism and move the print head to remove foreign objects wedging device. The design of most of the printers similar, especially if we consider the model of one company and one line.
First, you must move the printhead to the Parking area (for devices with inkjet printing).
Then open the lid and remove the cartridges.
Next, disconnect the device from the network and proceed with the dismantling of the housing.
Disconnect the auxiliary panel for the direction of the paper. Pick up the screwdriver and Unscrew the screws that secure the outer plastic panel.
Then remove the control Board. To do this, Unscrew the screws that it is secured to the frame of the printer, and unplug it going to the wire.
Next remove the screws that secure the base frame, and remove it to the side.
Then going to disconnect the printhead cables and remove it from the rails.
All device nodes become available. In this General phase the fight is over. Further all depends on specific fault models and a printer.
Assembly is done in reverse order. Assembly/disassembly is carried out with extreme caution, so as not to damage the many sensors. Otherwise the work done may be not only useless, but can cause irreparable damage to the already defective printer.