They want the battery of laser pointer can be used longer

They want the battery of laser pointer can be used longer.
Turn off the power with a soft paper shaft clean, and then drops of sewing machine oil, and repeatedly move the print head to the dirt washed out wipe Finally, clean the shaft drops on oil, moving the print head so that it evenly distributed, boot to work properly. Expert Tip: To extend the life of the printer, the printer should pay attention to dust and ambient temperature, it provides a smaller dust temperature (ambient temperature of 10-40 degrees is too high and too low is not good) appropriate, The sun can not direct the place. Printer no response. Phenomenon: after the print command is issued, the printer no response, the system prompts the printer is online and cable connection is working. The forever life time of laser pointer will be the best.
Reasons: the cause of the malfunction caused by the printer does not print there are many, there are aspects of the printer, there are computer-related. The following were introduced: exclude: 1. Check whether the printer is online. In most printer "OnLine" button next to them indicate the online status lights, under normal circumstances, the on-line lights should be lit state. If the light is not lit or is flashing, then the online is not normal, the focus on examination of the printer is connected, the printer power switch is turned on, the printer cable is properly connected. If the online light properly, turn off the printer, then open, see print a test page. The manufacturer will definitely try the best to enhance the laser technology of laser pointer .
Check the printer is set as the default printer. Click the "Start - settings - the printer, check the printer icon on whether there is a small black hook, and then set the printer as the default printer. If the "Printers" window, use the printer, then click the "Add Printer" icon, then follow the prompts to install. Check the current printer is set to pause printing. The method is in the Printers window, right-click the printer icon in the drop-down menu that appears, check the "pause printing" option on whether there is a small hook, if you select "Pause Printing" Please cancel the option. The long life time of laser pointer can ensure the good and long time use and operation of the laser pointer for the customer. 
For laser printers, the cause of such failure may be the developer roller is not bothered by the toner (developer roller DC bias is not added), it could be the drum is not grounded, so that the negative charge can not be gravitropism release, the laser beam not work on the drum. In addition, the laser printer drum does not rotate, there will be no images generated and spread to the paper. Disconnect the printer power and remove the toner cartridge, open the lid on the notch, make a mark in the non-light-sensitive parts of the photosensitive drum, reload the machine. Switched on for a while, then remove the check mark whether the move can determine the drum is working properly.