fax abbreviations 225 appropriate responses 224 billing (metering) tone filters 105 data path 102 downstream current detection 103 hook state 103 hook switch control 104 line current control 104 page storage in flash 105 phase sequence 223 ring detect 104 safety isolation 101 safety protection circuitry 102 Fax (LIU) functions and operation 100 fax activity report 209 fax coding schemes 21 fax compatibility 21 fax data store parameters 230 fax functions menu 36 fax setup menu 37 fax subsystem 100 fax trace report 210 faxes receiving 32 faxing controls 31 margins 21 one recipient 31 resolution 21 sending 31–??
speed 21 T.30 protocol trace report 210 features firmware 19 hardware 16 feed assembly drive rollers 94 feed assembly, removing 168 feed system, paper 94 feeding problems, troubleshooting copier/scanner 199 frequent 63 printer 197 field replaceable units (FRUs) procedures for replacing 109 film, transparency cleaning print path with 59 loading 50 firmware code 77 recovering or updating 207 firmware features 19 first page out 18 flash executable 207 flash executable update of firmware 207 flash memory 77, 106 flashing lights 178 Flatbed specifications 51 flowchart, troubleshooting 174 focusing lenses, operations 92 fonts, included 19 form sensor, ADF jam detection, ADF ADF jam detection 83 formatter bypassing 200 copier/scanner operations 80 features 18 in the fax subsystem 101 operations 76 removing 142 front cover assembly, removing 133 front guide assembly, removing 137 FRUs (field replaceable units) procedures for replacing 109 fuser assembly diagrams and part numbers 264 exit rollers 94 heating element check 203 life expectancy 56 operations 93 removing 144 temperature, adjusting 190, 191 troubleshooting 189 fuser roller, observing 206 fuses 164 fuses, overcurrent protection (F101, F102) 89 fusing stage, image formation process 93 G gear, 69T 144 gray background, troubleshooting 190 group-dial report 210 guide assembly, removing 137 guides cleaning 190 locating 17 troubleshooting 199 H half-self-test functional check 201 hardware features 16 hardware maintenance agreements 24 headers, fax menu 36 heating element check 203 operations 93 height, product 19, 30 high-capacity print cartridges 18 280 Index EN