Chapter 77-14F-7-18SERVICE MODE:COPIER>OPTION>BODY>FUZZY (turning on/off fuzzy control)0: enable fuzzy control (default)1: low humidity mode (for pre-transfer charging current level lower than standard)2: normal humidity mode3: high humidity mode (for pre-transfer charging current higher than standard)When set to '1' through '3', the machine executes the appropriate modes independently of the reading of the environment sensor.7.5.4.3 Pre-Transfer Charging Assembly Cleaning Mechanism0009-4082The machine executes pre-transfer charging wire cleaning as follows using its associated mechanism:Timing1. when wire cleaning is executed in user mode.2. when wire cleaning is executed in service mode (COPIER> FUNCTION> CLEANING> WIRE-CLN)*1.3. after the end of cleaning, every 2,000 prints*2.4. 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 cleaning 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-7-19The following signals are associated with the mechanism:[1] Pre-transfer charging wire cleaning motor normal direction signal; when '1', the wire cleaner moves toward the rear.[2] Pre-transfer charging wire cleaning motor reverse direction signal, when '1', the wire cleaner moves toward the front.7.5.4.4 Others0009-4083SERVICE MODE:COPIER>ADJUST>HV-TR>PRE-TR (entering output adjustment value for pre-transfer charging current)Enter the value indicated on the service label if you have initialized the RAM on the DC controller PCB.COPIER>ADJUST>HV-TR>H-PRE-TR (entering offset value for pre-transfer high-voltage output of high-voltage unit)Enter the value indicated on the label attached to the new high-voltage unit if you have replaced the high-voltage unit or initialized the RAM on the DCcontroller PCB.Low temperature High temperaturePre-transfer currentWire cleanerWirePre-transfer charging assemblyPre-transfer chargingwire cleaning motor (M7)(toward rear) (toward front)POST_CLEAN_OUT2 [2]POST_CLEAN_OUT1 [1]DC controller PCBJ103A