1 ) . Belonging to a fault -based maintenance call lights , usually comes with fault code, find fault location according to the fault code, if there are questions , maintenance excluded , according to the instructions to eliminate .

2 ) . Lights are maintenance tips , such as U - Bix series machines , the best maintenance of the machine , and then the pre- maintenance counter to zero , suggesting that natural light is off .

46 , no display copier maintenance steps

First, check the power supply fuse

After the power fuse burned out , the machine without any display , remove the fuse visible inside black, tube filament has been broken, burned fuse reasons , usually large power , for the protection of electrical devices inside the machine , blown fuse ; another is a case should be opened before the fuse for a good machine power , the various parts of the machine to conduct a comprehensive examination to exclude after causing a short circuit fault before test machine .

Second, check the part of the switch

Copiers can open each face shield that can be pulled out so that no power is turned on , disconnect the micro switch on the overall component maintenance , when the door or pull out the parts return after turning the main power switch . If a component is installed inside the door of no return unsuitable or proper position, the door can not be locked, so that the micro switch button withstand tablet ejector not to place the door. Another common cause is the use of micro-switches due to the long shift , resulting in poor contact , then can be used to replace the door mandrel screwdriver , insert the switch hole, such as the power is turned on, change the switch position to prove that , it should be slightly outward adjust a little , if the switch is damaged, should be replaced. Although the display panel on some machines , but not the main power of the machine is turned on , there is still a schematic shut the door indicator light , the same should be done above disposal.

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