© 2008 - 2011 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
CONTENTS
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3.9 Adjustment of the developer unit.......................................................................................3-70
3.9.1 Adjustment of the Auto-Toner Sensor ....................................................................3-70
3.9.2 Adjustment of the doctor-to-sleeve gap..................................................................3-70
3.10 Adjustment of the Transfer Unit.........................................................................................3-72
3.10.1 Adjustment of the transfer belt due to environmental factors .................................3-72
3.10.2 Adjustment of Gap between Transfer Belt Unit (TBU) Drive Gears ......................3-75
3.11 Adjustment of the Separation Plate Gap ........................................................................... 3-77
4. BACKUP FUNCTION....................................................................................................4-1
4.1 Data Cloning........................................................................................................................4-1
4.1.1 General description ..................................................................................................4-1
4.1.2 Precautions ..............................................................................................................4-1
4.1.3 Backup files ..............................................................................................................4-2
4.1.4 List of codes available for cloning ............................................................................4-4
4.1.5 Cloning procedure ....................................................................................................4-7
4.2 AES Data Encryption Function Setting..............................................................................4-14
4.2.1 General description ................................................................................................4-14
4.2.2 Precautions ............................................................................................................4-14
4.2.3 Setting procedure ...................................................................................................4-15
4.2.4 Procedure for disabling data encryption function ................................................... 4-20
4.2.5 Procedure for discarding HDD when data encryption function is enabled ............4-20
4.3 Assist Mode .......................................................................................................................4-21
4.3.1 Assist Mode............................................................................................................4-21
4.3.2 Operating Procedure of Assist Mode ..................................................................... 4-22
5. PREVENTIVE MAINTENANCE (PM)............................................................................5-1
5.1 General Description.............................................................................................................5-1
5.2 PM Display...........................................................................................................................5-1
5.2.1 General Description..................................................................................................5-1
5.2.2 PM Display Conditions .............................................................................................5-1
5.2.3 PM Display Contents................................................................................................5-3
5.2.4 Counter Clearing ......................................................................................................5-4
5.3 General Descriptions for PM Procedure..............................................................................5-5
5.4 PM Support Mode................................................................................................................5-6
5.4.1 General Description..................................................................................................5-6
5.4.2 Operational flow .......................................................................................................5-6
5.4.3 Operational screen ...................................................................................................5-7
5.4.4 Access tree.............................................................................................................5-10
5.5 Work flow of parts replacement .........................................................................................5-12
5.6 Preventive Maintenance Checklist.....................................................................................5-13
5.6.1 Scanner ..................................................................................................................5-14
5.6.2 Laser unit................................................................................................................5-15
5.6.3 Feed unit ................................................................................................................5-16
5.6.4 Automatic duplexing unit ........................................................................................ 5-18
5.6.5 Bypass feed unit.....................................................................................................5-19
5.6.6 Main charger ..........................................................................................................5-20
5.6.7 Drum/Cleaner unit, Cleaner related section ...........................................................5-21
5.6.8 Developer unit (K, Y, M, and C) .............................................................................5-24
5.6.9 Waste Toner Box....................................................................................................5-28
5.6.10 Transfer belt unit / Transfer belt cleaning unit........................................................5-29
5.6.11 Image quality control unit .......................................................................................5-31
5.6.12 2nd transfer roller unit ............................................................................................5-32
5.6.13 Fuser unit ...............................................................................................................5-33
5.6.14 Exit unit...................................................................................................................5-36
5.6.15 RADF (MR-3018) ...................................................................................................5-37
5.6.16 PFP (KD-1023).......................................................................................................5-38
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