FS-6020
1-5-3 Electrical problems ............................................................................................................................. 1-5-17
(1) Even if the top cover is closed, the message “
Close top cover
” remains. ............................. 1-5-17
(2) Even if the rear cover is closed, the message “
Close rear cover
” remains. ......................... 1-5-17
(3) The message “
Paper Jam
” remains. .......................................................................................... 1-5-17
(4) The message “
Face-down tray paper full
” remains. ........................................................ 1-5-17
(5) The paper size is not recognized as the size set with the paper size dial of the cassette. ........... 1-5-18
(6) The message “
Self test
” remains when the printer is started. ................................................ 1-5-18
(7) No message is displayed when the power switch is turned on. (All dots of LCD are on.) ............ 1-5-18
(8) No message is displayed when the power switch is turned on. (All dots of LCD are off.) ............ 1-5-18
1-5-4 Image formation problems ................................................................................................................. 1-5-19
(1) No image appears. (entirely white) ............................................................................................... 1-5-20
(2) No image appears. (entirely black) ............................................................................................... 1-5-20
(3) Image is light as a whole. ............................................................................................................. 1-5-21
(4) Background is gray. ...................................................................................................................... 1-5-21
(5) A white line appears longitudinally. .............................................................................................. 1-5-21
(6) A black line appears longitudinally. .............................................................................................. 1-5-22
(7) A black line appears laterally. ....................................................................................................... 1-5-22
(8) One side of the print image is darker than the other. ................................................................... 1-5-22
(9) Black dots appear on the image. .................................................................................................. 1-5-23
(10) Image blurs. .................................................................................................................................. 1-5-23
(11) Image is displaced toward the rear side of paper. ........................................................................ 1-5-23
(12) Paper creases. ............................................................................................................................. 1-5-24
(13) Offset occurs. ............................................................................................................................... 1-5-24
(14) Image is partly missing. ................................................................................................................ 1-5-24
(15) Fixing is poor. ............................................................................................................................... 1-5-25
(16) Image becomes dim. .................................................................................................................... 1-5-25
(17) Image is inclined. .......................................................................................................................... 1-5-25
1-6 Assembly and Disassembly
1-6-1 Precautions for assembly and disassembly ......................................................................................... 1-6-1
(1) Precautions ..................................................................................................................................... 1-6-1
1-6-2 Covers .................................................................................................................................................. 1-6-2
(1) Detaching and refitting the top cover .............................................................................................. 1-6-2
(2) Detaching and refitting the left cover .............................................................................................. 1-6-3
(3) Detaching and refitting the right cover ............................................................................................ 1-6-4
(4) Detaching and refitting the rear cover ............................................................................................ 1-6-5
(5) Detaching and refitting the front cover ............................................................................................ 1-6-6
1-6-3 Paper feed section ............................................................................................................................... 1-6-7
(1) Detaching and refitting the feed and pickup rollers ........................................................................ 1-6-7
(2) Detaching and refitting the paper feed unit ..................................................................................... 1-6-8
(3) Detaching and refitting the MP tray feed roller ............................................................................. 1-6-10
(4) Detaching and refitting the MP tray feed unit ............................................................................... 1-6-11
(5) Detaching and refitting the retard roller ........................................................................................ 1-6-13
(6) Detaching and refitting the drive assembly ................................................................................... 1-6-14
1-6-4 Laser scanner unit section ................................................................................................................. 1-6-15
(1) Detaching and refitting the laser scanner unit .............................................................................. 1-6-15
1-6-5 Process unit section ........................................................................................................................... 1-6-16
(1) Detaching and refitting the main charger unit ............................................................................... 1-6-16
1-6-6 Transfer/separation section ................................................................................................................ 1-6-17
(1) Detaching and refitting the transfer roller and separation charger unit ......................................... 1-6-17
1-6-7 Fixing section ..................................................................................................................................... 1-6-18
(1) Detaching and refitting the fixing unit ........................................................................................... 1-6-18
(2) Detaching and refitting the fixing heater lamp .............................................................................. 1-6-19
(3) Detaching and refitting the heat roller ........................................................................................... 1-6-21
(4) Detaching and refitting the press roller ......................................................................................... 1-6-22
(5) Detaching and refitting the fixing thermistor and separator .......................................................... 1-6-23
(6) Detaching and refitting the fixing thermostat ................................................................................ 1-6-24
