Toshiba DP1600 How to use

DIGITAL PLAIN PAPER COPIER
DP1600/2000/2500
File No.31110004
R0111216700-TTEC
Ver05_2002-02

December 2000 © TOS DP1600/2000/2500 CONTENTS
CONTENTS
1. ADJUSTMENT ITEMS ..................................................................................................1-1
1.1 Error Code List................................................................................................................... 1-1
1.2 Self-Diagnosis Modes ........................................................................................................ 1-7
1.2.1 Adjust mode (05)..................................................................................................... 1-9
1.2.2 System mode ........................................................................................................ 1-13
1.2.3 User test mode...................................................................................................... 1-19
1.2.4 Function test ......................................................................................................... 1-21
1.2.5 MAINTENANCE .................................................................................................... 1-39
1.2.6 SERVICE LIST ...................................................................................................... 1-43
1.2.7 Country/Region code ............................................................................................ 1-49
1.2.8 Scanner parking mode.......................................................................................... 1-51
1.2.9 Speaker volume .................................................................................................... 1-51
1.2.10 Adjustment of document width sensor ..................................................................1-52
1.3 Image Quality Control ...................................................................................................... 1-53
1.4 Copy Image Dimension Adjustment................................................................................. 1-54
1.4.1 Adjustment of paper aligning value .......................................................................1-55
1.4.2 Printer unit adjustment ..........................................................................................1-56
1.4.3 Scanner unit adjustment .......................................................................................1-61
1.5 Sharpness (HPF) Adjustment .......................................................................................... 1-66
1.6 Gamma Slope Correction................................................................................................. 1-67
1.7 High-Voltage Adjustment..................................................................................................1-68
1.7.1 Adjustment ............................................................................................................ 1-68
1.7.2 Precautions...........................................................................................................1-71
1.8 Adjusting the Scanner Section ......................................................................................... 1-74
1.8.1 Installing glass ...................................................................................................... 1-74
1.8.2 Installing scanner motor........................................................................................1-76
1.8.3 Adjusting the carriage 1 ........................................................................................ 1-77
1.8.4 Installing carriage 2...............................................................................................1-79
1.8.5 CCD unit ............................................................................................................... 1-82
1.9 Adjusting the main drive gear assembly........................................................................... 1-86
1.10 MAIN PWA replacement procedure .................................................................................1-90
1.11 Measurement of Transfer Guide Bias ............................................................................... 1-92
1.12 Distinction Between New and Old Process Units............................................................. 1-94
1.13 Adjustment of the doctor-sleeve gap................................................................................ 1-95

DP1600/2000/2500 CONTENTS 2 December 2000 © TOSHIBA TEC
02/03
2. PREVENTIVE MAINTENANCE (PM)............................................................................2-1
2.1 Maintenance Performed Every 81,000 (DP1600/2000 Series) and
99,000 Copies (DP2500 Series) ........................................................................................ 2-1
2.2 Preventive Maintenance Check List .................................................................................... 2-1
2.3 PM Kit................................................................................................................................ 2-14
2.4 List of Adjustment Tools..................................................................................................... 2-16
2.5 List of Grease.................................................................................................................... 2-16
3. PRECAUTIONS FOR STORING & HANDLING SUPPLIES.........................................3-1
3.1 Precautions for Storing TOSHIBA Supplies........................................................................3-1
3.2 Checking and Cleaning of the Pressure Roller .................................................................. 3-2
3.3 Checking and Cleaning of the Cleaning Roller...................................................................3-2
3.4 Checking and Cleaning of the Heat Roller ......................................................................... 3-3
3.5 Checking and Replacing of the Transfer Guide Roller........................................................3-3
3.6 Checking and Cleaning of Photoconductive Drum (SRU type) .......................................... 3-4
3.7 Checking and Cleaning of Drum Cleaning Blade (SRU type) ............................................ 3-5
4. TROUBLESHOOTING ..................................................................................................4-1
4.1 Troubleshooting Based on Error Code ............................................................................... 4-2
4.1.1 Transporting jam in the main body ..........................................................................4-2
4.1.2 Paper feeding jam ................................................................................................... 4-7
4.1.3 Transporting jam for the optional trays .................................................................. 4-13
4.1.4 Paper jam if some cover is opened ....................................................................... 4-18
4.1.5 Paper transporting jam at the ADF........................................................................4-22
4.1.6 Paper transporting jam at the RADF ..................................................................... 4-24
4.1.7 Paper jam in finisher ............................................................................................. 4-26
4.1.8 Drive system service call ......................................................................................4-30
4.1.9 Temporary paper supply mechanism service call ................................................. 4-33
4.1.10 Optical system service call ................................................................................... 4-39
4.1.11 Process system service call.................................................................................. 4-41
4.1.12 Fuser system service call ..................................................................................... 4-41
4.1.13 Communications system service call .................................................................... 4-42
4.1.14 ADF or RADF system service call......................................................................... 4-44
4.1.15 Other abnormal service call .................................................................................. 4-48
4.1.16 Laser optical system service call .......................................................................... 4-49
4.1.17 Finisher related service call .................................................................................. 4-50
4.1.18 Scanner related service call.................................................................................. 4-55
4.1.19 Printer related service call .................................................................................... 4-56
4.1.20 Fax related service call ......................................................................................... 4-56
4.1.21 OCT system service call .......................................................................................4-57
4.1.22 Other service call ..................................................................................................4-57
4.2 Troubleshooting of Image................................................................................................. 4-58

December 2000 © TOSHIBA TEC 3 DP1600/2000/2500 CONTENTS
5. UPDATINGTHE FIRMWARE ........................................................................................5-1
5.1 Outline................................................................................................................................ 5-1
5.2 Using the Recovery PWA................................................................................................... 5-2
5.2.1 Using main recovery PWA ......................................................................................5-2
5.2.2 Using the scanner recovery PWA ........................................................................... 5-5
5.3 Using the Batch File ........................................................................................................... 5-8
5.3.1 Creating Download Disks........................................................................................ 5-8
5.3.2 Downloading ......................................................................................................... 5-13
5.4 Using the TOSHIBA Viewer .............................................................................................. 5-20
6. WIRE HARNESS CONNECTION DIAGRAMS .............................................................6-1
6.1 AC Wire Harness ............................................................................................................... 6-1
APPENDIX.......................................................................................................................... A-1
Appendix A. Specifications.........................................................................................................A-1
Appendix B. Accessories ...........................................................................................................A-5
Appendix C. Options ..................................................................................................................A-6
Appendix D. Replacement Units/Supplies..................................................................................A-6
Appendix E. System List ............................................................................................................A-7
Appendix F. Power Supply Unit..................................................................................................A-8
02/04

1. ADJUSTMENT ITEMS
2. PREVENTIVE MAINTENANCE
(PM)
3. PRECAUTIONS FOR
STORING & HANDLING
SUPPLIES
4. TROUBLESHOOTING
5. UPDATINGTHE FIRMWARE
6. WIRE HARNESS
CONNECTION DIAGRAMS

DIGITAL PLAIN PAPER COPIE
DP1600/2000/2500
File No.31100011
R0111216600-TTEC

1. SPECIFICATIONS • ACCESSORIES •
OPTIONS • SUPPLIES.............................1-1
1.1 Specifications............................................................................................1-1
1.2 Accessories ..............................................................................................1-5
1.3 Options .....................................................................................................1-6
1.4 Replacement Units/Supplies.....................................................................1-6
1.5 System List ...............................................................................................1-7

2. OUTLINE OFTHE MACHINE...................2-1
2.1 Sectional View ..........................................................................................2-1
2.2 Location of Electrical Parts .......................................................................2-5
2.3 Symbols and Functions of Various Devices ..............................................2-13
2.4 Copy Paper Path.......................................................................................2-18
2.4.1 Normal .........................................................................................2-18
2.4.2 When the PFU, PFP, ADU, SFB and OCT are mounted ..............2-18
2.4.3 When the PFU, PFP, CM, ADU, SFB and JSP are mounted........2-19
2.4.4 When the PFU, LCF, ADU, SFB and Finisher are mounted .........2-19
2.5 System Block Diagrams............................................................................2-20
2.6 Removal and Reinstallation of Covers and PC Boards.............................2-21
2.6.1 Removal and reinstallation of covers............................................2-21
2.6.2 Removal of PC boards .................................................................2-29

3. COPYING PROCESS...............................3-1
3.1 Copying Process.......................................................................................3-1
3.2 Details of Copying Process.......................................................................3-2
3.3 List of Copying Process Conditions ..........................................................3-9
3.4 Disassembly and Replacement ................................................................3-10
01/11

4. COPIER OPERATION ..............................4-1
4.1 Operation Outline......................................................................................4-1
4.2 Description of Operation ...........................................................................4-1
4.2.1 Warming up..................................................................................4-1
4.2.2 Standby ........................................................................................4-2
4.2.3 Automatic feed copying using the START key..............................4-3
4.2.4 Bypass-feed copying ....................................................................4-4
4.2.5 Interrupt copying ..........................................................................4-4
4.3 Fault Detection..........................................................................................4-5
4.3.1 Classification of faults ..................................................................4-5
4.3.2 Explanation of faults.....................................................................4-6
4.4 Flow Charts...............................................................................................4-9
4.4.1 At power ON time.........................................................................4-9
4.4.2 Copying at platen (Simplex →Simplex) .......................................4-11
4.4.3 Copying using cassette 1 .............................................................4-12

5. DISPLAY UNIT..........................................5-1
5.1 Detailed Drawing of the Control Panel and the Display Panel ..................5-1
5.2 Items Shown on the Display Panel ...........................................................5-2
5.2.1 Display during normal copying .....................................................5-2
5.2.2 Display in the event of faulty conditions .......................................5-4
5.3 Relation between Copier Conditions and Operator’s Actions ...................5-12
5.4 Description of Operation ...........................................................................5-13
5.4.1 Dot matrix LCD circuit ..................................................................5-13
5.4.2 LED display circuit........................................................................5-17

6. IMAGE PROCESSING..............................6-1
6.1 Introduction ...............................................................................................6-1
6.2 Image Processing Circuit..........................................................................6-2
6.3 SLG Board ................................................................................................6-3
6.3.1 Features .......................................................................................6-3
6.3.2 Functions of the image processing circuit ....................................6-3
6.4 Scanner ....................................................................................................6-7
6.5 Printer .......................................................................................................6-8

7. SCANNER ................................................7-1
7.1 Functions ..................................................................................................7-1
7.2 Configuration ............................................................................................7-2
7.3 Scanner Motor Operation .........................................................................7-5
7.4 Scanner Motor Drive Circuit......................................................................7-6
7.5 Exposure Lamp Control ............................................................................7-9
7.5.1 Exposure lamp .............................................................................7-9
7.5.2 Exposure Lamp Control Circuit ....................................................7-10
7.6 General Description of CCD control..........................................................7-12
7.6.1 Photo-voltaic conversion ..............................................................7-12
7.6.2 Shading compensation.................................................................7-13
7.7 Automatic Original-Size Detection Circuit (DP2000/2500 series) .............7-14
7.7.1 Principle of original-size detection................................................7-14
7.7.2 Original size detection..................................................................7-14
7.8 Damp Heater Control Circuit (ASD/AUD/CND/TWD/SAD models)...........7-17
7.9 Disassembly and Replacement ................................................................7-18

8. PRINTING.................................................8-1
8.1 General Description ..................................................................................8-1
8.2 Structure ...................................................................................................8-2
8.3 Laser Diode ..............................................................................................8-6
8.4 Disassembly and Replacement ................................................................8-7

Núm. archivo 31100011
MANUAL DE SERVICIO
FOTOCOPIADORA DIGITAL DE PAPEL NORMAL
DP1600/2000/2500

FACSIMILE (FOR DP1600/2000/2500)
GD-1060

January 2001 © TOSHIBA TEC 1
CONTENTS
1. FORM OF FAX OPTIONS OF DP1600/2000/2500 .................................................... 1-1
1.1 Fax Options (Necessary options to install the fax unit) .................................................... 1-1
2. SPECIFICATIONS • ACCESSORIES • OPTIONS ..................................................... 2-1
2.1 Specifications ................................................................................................................... 2-1
2.1.1 Scanning system................................................................................................... 2-1
2.1.2 Transmission system............................................................................................. 2-2
2.1.3 Telephone functions .............................................................................................. 2-3
2.1.4 Recording system ................................................................................................. 2-4
2.1.5 Software performance Table ................................................................................. 2-4
2.2 Specifications of LSU-related Performances.................................................................... 2-5
2.2.1 Recording paper size ............................................................................................ 2-5
2.2.2 Effective recording area ........................................................................................ 2-5
2.2.3 Print mode ............................................................................................................ 2-7
2.2.4 Recording paper selection algorithm and print algorithm ...................................... 2-7
2.2.5 Error processing.................................................................................................... 2-16
2.2.6 Limitations on reception print ................................................................................ 2-16
2.3 Accessories and cartoned parts....................................................................................... 2-17
2.4 Options............................................................................................................................. 2-18
2.5 System List ...................................................................................................................... 2-19
3. GENERAL ................................................................................................................... 3-1
3.1 Main Functions................................................................................................................. 3-1
3.2 Overview .......................................................................................................................... 3-6
3.2.1 Front view.............................................................................................................. 3-6
3.2.2 Rear view .............................................................................................................. 3-7
3.2.3 Control panel for facsimile..................................................................................... 3-8
3.2.4 Function keys........................................................................................................ 3-12
3.3 Layout of Electrical Parts ................................................................................................. 3-15

GD-1060 CONTENTS 2 January 2001 ©TOSHIBATEC
4. DIALING AND COMMUNICATION PROCEDURE..................................................... 4-1
4.1 Line Connection and Mode Change Procedure................................................................ 4-1
4.1.1 Call to external telephone line ............................................................................... 4-1
4.1.2 Tx mode selecting procedure................................................................................ 4-2
4.2 Signal Format and Communication Procedure................................................................. 4-3
4.2.1 Network control signal format ............................................................................... 4-3
4.2.1.1 Network control signals........................................................................... 4-3
4.2.1.2 Signal format........................................................................................... 4-3
4.2.2 Communication by binary signals.......................................................................... 4-4
4.2.2.1 Binary procedure .................................................................................... 4-4
4.2.2.2 Binary signals ......................................................................................... 4-7
4.2.2.3 Frame structure of binary signals............................................................ 4-10
4.2.2.4 Training ................................................................................................... 4-12
4.3 High-speed Transmission Procedure................................................................................ 4-13
4.3.1 V.8/V.34 procedure ................................................................................................ 4-13
5. CIRCUIT DESCRIPTION ............................................................................................ 5-1
5.1 Block Diagram .................................................................................................................. 5-1
5.2 Flow of Image Signals...................................................................................................... 5-2
5.2.1 Direct transmission ............................................................................................... 5-2
5.2.2 Memory transmission............................................................................................ 5-4
5.2.3 Reception.............................................................................................................. 5-6
5.3 FAX PWA ......................................................................................................................... 5-8
5.4 NCU PWA ........................................................................................................................ 5-9
5.4.1 Line path switching control circuit.......................................................................... 5-11
5.4.2 Dial pulse generation circuit .................................................................................. 5-13
5.4.3 Line current detect circuit...................................................................................... 5-15
5.4.4 CI detect circuit ..................................................................................................... 5-17
5.4.5 Line monitor circuit ................................................................................................ 5-19
5.5 OTK PWA......................................................................................................................... 5-22
6. DISASSEMBLY AND REPLACEMENT...................................................................... 6-1
7. INSTALLATION........................................................................................................... 7-1
7.1 Explanation to the User.................................................................................................... 7-1

DIGITAL PLAIN PAPER COPIER
File No. 31130015
DP1600/2000/2500

CONTENTS
1. ASM-COVER (1)
2. ASM-COVER (2)
3. ASM-GLASS-PLTN
4. ASM-OPTICS-DRIVE (1)
5. ASM-OPTICS-DRIVE (2)
6. ASM-CONTROL-PANEL
7. ASM-CHARGER
8. ASM-EXIT
9. ASM-FUSER
10. ASM-ELECTRIC
11. ASM-MAIN-DRIVE
12. ASM-TRAY-UP
13. ASM-LVPS/LSU
14. ASM-DEV.MOTOR
15. ASM-GUIDE-P/U
16. ASM-GUIDE 2ND
17. ASM-FEEDER
18. ASM-CASSETTE
19. ASM-FRAME
20. SERVICE TOOLS
21. PM KIT
22. ASM-FUSER (DP2000/2500)
23. ASM-DRUM
24. ASM-DEVELOPER
51. PWA-MAIN (1/2)
52. PWA-MAIN (2/2)
53. PWA-RELAY
54. PWA-PIF
101. SUPPLIES
1. ASM-COVER (1) 2. ASM-COVER (2) 3. ASM-GLASS-PLTN 4. ASM-OPTICS-DRIVE
(1) 5. ASM-OPTICS-DRIVE (2) 6. ASM-CONTROL- PANEL 7. ASM-CHARGER
8. ASM-EXIT 9. ASM-FUSER 10.ASM-ELECTRIC 11.ASM-MAIN-DRIVE 12.ASM-TRAY-UP 13.ASM-LVPS/LSU 14.ASM-DEV.MOTOR
15.ASM-GUIDE-P/U 16.ASM-GUIDE 2ND 17.ASM-FEEDER 18.ASM-CASSETTE 19.ASM-FRAME
PARTS NUMBER INDEX