Chapter 77-122. when the wire cleaning mechanism is executed in service mode:COPIER>FUNCTION>CLEANING>WIRE-CLN*13. after the end of cleaning, at the end of every 2,000 prints*24. in a low temperature or high humidity environment, if the fixing roller is 160 deg C or less when the power is turned on*1: The machine executes it when the primary charging wire or the transfer charging wire has been replaced.*2: The default cleaning interval may be changed in service mode (COPIER> OPTION> BODY> W-CLN-P).F-7-15The following signals are associated with the mechanism:[1] Primary charging wire cleaning motor reverse direction signal; when '1', the wire cleaner moves toward the rear.[2] Primary changing wire cleaning motor normal direction signal; when '1', the wire cleaner moves toward the front.7.5.2.3 Others0009-4075SERVICE MODE:COPIER>FUNCTION>CLEANING>WIRE-CLNUse it so that the machine causes the wire cleaner to make 5 round trips to automatically clean the charging wire when the primary charging wire or thetransfer wire has been replaced.COPIER>OPTION>BODY>W-CLN-PUse it to specify the interval at which the primary charging wire is automatically cleaned in terms of the number of prints made.7.5.3 Dust-Collecting Roller Bias7.5.3.1 Overview0009-4077The machine is equipped with a dust-colleting roller to collect stray toner occurring after development. The toner collected on its surface is removed bythe work of a scraper.The following item is associated with the dust-collecting roller bias control system:1. turning on/off the dust-collecting roller biasThe following shows the construction of the dust-collecting roller bias:Primary changing assemblyWireDC controller PCB(to rear) (to front)PRIMARY_CLEAN_OUT1 [1]J103AWire cleanerPRIMARY_CLEAN_OUT2 [2]Primary chargingwire cleaning motor(M6)
