4.6.1 CLEANING ...................................................................... 844.6.2 CLEANING THE CASE ...................................................... 844.6.3 CLEANING THE PAPER PATHS ......................................... 844.7 LUBRICATION ................................................................. 845. MECHANICAL ADJUSTMENTS................................................... 855.1 DOCUMENT FEED BELT ADJUSTMENT ............................ 855.2 PRINT BAR ADJUSTMENT ............................................... 855.3 DISTANCE ADJUSTMENT BETWEEN THE PRINT BAR ANDPRINTHEAD NEEDLES ....................................................................... 865.4 CARRIAGE MOVMENT BELT ADJUSTMENT ..................... 876. DISASSEMBLY/REASSEMBLY THE PRINTER ........................... 886.1 DISASSEMBLY/REASSEMBLY INTRODUCE ....................... 886.2 ATTENTIONS OF DISASSEMBLY/REASSEMBLY ................. 886.3 DISASSEMBLY/REASSEMBLY OF THE MACHINE .............. 886.3.1 CASE DISASSEMBLY/REASSEMBLY .................................. 886.3.2 DISASSEMBLY/REASSEMBLY the console of liquid crystalDisplay (LCD) ................................................................................... 896.3.3 PHOTOSENSOR BOX DISASSEMBLY/REASSEMBLY .......... 906.3.4 MECHANICAL ASSEMBLY DISASSEMBLY/REASSEMBLY ... 906.3.5 UPPER PART OF THE MECHANICAL ASSEMBLYDISASSEMBLY/REASSEMBLY............................................................. 916.3.6 PRINTHEAD DISASSEMBLY/REASSEMBLY ....................... 926.3.7 PRINTHEAD PHOTOSENSOR DISASSEMBLY/REASSEMBLY 926.3.8 PRINTHEAD CABLE DISASSEMBLY/REASSEMBLY ............. 926.3.9 PAPER FEED MOTOR DISASSEMBLY/REASSEMBLY .......... 936.3.10 PRINTHEAD MOVEMENT MOTORDISASSEMBLY/REASSEMBLY .............................................................. 946.3.11 SERVICES MOTOR DISASSEMBLY/ REASSEMBLY ............. 946.3.12 PRINTHEAD RESET PHOTOSENSOR DISASSEMBLY/REASSEMBLY ................................................................................... 956.3.13 ROLLER SUPPORT TRAY DISASSEMBLY/REASSEMBLY...... 956.3.14 MAIN BOARD DISASSEMBLY/REASSEMBLY..................... 956.3.15 POWER SUPPLY ASSY DISASSEMBLY/REASSEMBLY ......... 966.3.16 FEEDER PHOTOSENSORS DISASSEMBLY/REASSEMBLY.... 966.3.17 PRINT BAR DISASSEMBLY/REASSEMBLY ......................... 976.3.18 ROLLER SUPPORT TRAY(SCANNER)DISASSEMBLY/REASSEMBLY............................................................. 986.3.19 UPPER CIS (SCANNER) DISASSEMBLY/REASSEMBLY ........ 98