Toshiba e-STUDIO520 Service Handbook page 8

3.8 Adjustment of the Paper Feeding System ......................................................................... 3-45
3.8.1 Sheet sideways deviation caused by paper feeding .............................................. 3-45
3.8.2 Separation roller pressure force adjustment .......................................................... 3-47
3.9 Adjustment of Developer Unit ............................................................................................ 3-49
3.10 Adjustment of Fuser Unit ................................................................................................... 3-50
3.10.1 Adjustment of fuser roller pressure ........................................................................ 3-50
3.10.2 Setting of fuser/pressure roller temperature ........................................................... 3-52
3.10.3 Adjustment of fuser entrance guide........................................................................ 3-53
3.10.4 High-fusing mode ................................................................................................... 3-54
3.10.5 Changing Printing Speed ....................................................................................... 3-55
3.11 Adjustment of the RADF .................................................................................................... 3-56
3.11.1 Adjustment of RADF position ................................................................................. 3-56
3.11.2 Adjustment of RADF height .................................................................................... 3-60
3.11.3 Skew adjustment .................................................................................................... 3-61
3.11.4 Automatic adjustment of sensors and initialization of EEPROM ............................ 3-63
3.11.5 Adjustment of reverse solenoid .............................................................................. 3-64
3.11.6 Adjustment of RADF opening/closing switch.......................................................... 3-66
3.11.7 Adjustment of original tray width ............................................................................ 3-67
3.12 Adjustment of Finisher ....................................................................................................... 3-68
3.12.1 Adjusting the Height Sensor (PS1)......................................................................... 3-68
3.12.2 Adjusting the Alignment Position ............................................................................ 3-69
3.12.3 Adjusting the Staple Position (stapler movement range)........................................ 3-70
3.12.4 Adjusting the Buffer Roller Winding Amount .......................................................... 3-72
3.13 Adjustment of Saddle stitch finisher................................................................................... 3-75
3.13.1 Adjusting the Folding Position ................................................................................ 3-75
3.13.2 Stitching Position (adjusting center stitching) ......................................................... 3-78
3.14 Adjustment of Hole punch unit........................................................................................... 3-79
3.14.1 Sensor output adjustment ...................................................................................... 3-79
3.14.2 Registering the number of punch holes.................................................................. 3-80
3.14.3 Checking the sensitivity level of the transmission sensor....................................... 3-81
3.15 Adjustment of Inserter........................................................................................................ 3-82
3.15.1 Tray guide width adjustment .................................................................................. 3-82
3.15.2 Input check 1 .......................................................................................................... 3-83
3.15.3 Check of sensor operations 1................................................................................. 3-85
3.15.4 Check of sensor operations 2................................................................................. 3-86
3.16 Adjustment of LCF (MP-4004) ........................................................................................... 3-87
3.16.1 Sheet sideways deviation adjustment .................................................................... 3-87
3.16.2 LCF slant adjustment ............................................................................................. 3-89
4. PREVENTIVE MAINTENANCE (PM)............................................................................ 4-1
4.1 PM Support Mode................................................................................................................ 4-1
4.1.1 General description .................................................................................................. 4-1
4.1.2 Operational flow and operational screen .................................................................. 4-1
4.1.3 Work flow of parts replacement ................................................................................ 4-7
4.2 General Descriptions for PM Procedure .............................................................................. 4-8
4.3 Operational Items in Overhauling ........................................................................................ 4-9
4.4 Preventive Maintenance Checklist..................................................................................... 4-10
4.5 PM KIT............................................................................................................................... 4-33
4.6 Jig List ............................................................................................................................... 4-34
4.7 Grease List ........................................................................................................................ 4-36
4.8 Precautions for Storing and Handling Supplies ................................................................. 4-37
4.8.1 Precautions for storing TOSHIBA supplies ............................................................ 4-37
4.8.2 Checking and cleaning of photoconductive drum................................................... 4-37
4.8.3 Checking and cleaning of drum cleaning blade and transfer belt cleaning blade... 4-38
4.8.4 Handling of drum cleaning brush and transfer belt cleaning brush ........................ 4-38
4.8.5 Handling of transfer belt ......................................................................................... 4-38
e-STUDIO520/523/600/603/720/723/850/853
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