Page 1 DIGITAL PLAIN PAPER COPIER DP1600/2000/2500 File No. 31100011 R0111216600-TTEC...
Page 3 GENERAL PRECAUTIONS REGARDING THE INSTALLATION AND SERVICE FOR DP1600/2000/2500 SERIES The installation and service should be done by a qualified service technician. 1. Transportation • When transporting/installing the copier, employ two persons and be sure to use the positions as indicated below.
Page 4 Attention: Se débarrasser de batteries et RAM-ICs usés y compris les batteries en lithium selon les instructions du fabricant. Vorsicht: Entsorgung des gebrauchten Batterien und RAM-ICs (inklusive der Lithium-Batterie) nach Angaben des Herstellers. 1600/2000/2500 GENERAL PRECAUTIONS December 2000 © TOSHIBA TEC...
Page 5 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...
Page 6: Options • Supplies
DP2000 series (Copies/min.) Paper Upper Bypass feeding (SFB) supply cassette Upper Lower cassette No paper size Paper size Paper cassette (with CM) designated designated size A4, LT A4-R LT-R A3, LD December 2000 © TOSHIBA TEC 1 - 1 1600/2000/2500 SPECIFICATIONS...
Page 7 Continuous copy: 64 - 80 g/m , 17 - 21 lbs 17 - 21 lbs Single copy: 80 - 163 g/m , 21 - 43 lbs Special paper — — Recommended OHP film/Thick paper 1600/2000/2500 SPECIFICATIONS 1 - 2 December 2000 © TOSHIBA TEC...
Page 8 • First copy time ...... DP1600 series: Less than 7.9 seconds (A4/LT, the Upper cas- sette, 100%, original placed manually) DP2000 series: Less than 7.0 seconds (A4/LT, the Upper cas- sette, 100%, original placed manually) DP2500 series: Less than 7.0 seconds (A4/LT, the Upper cas- sette, 100%, original placed manually) •...
Page 9 • Weight ........ Standard: 50 Kg (110 lb.) (with Process unit/Toner cartridge) Full system: 92 Kg (203 lb.) (DP1600 series)/ 124 Kg (273 lb.) (DP2000/2500 series) • Power requirements .... 115VAC, 50Hz/60Hz 120VAC, 50Hz/60Hz 127VAC, 50Hz/60Hz 220-240VAC, 50Hz/60Hz • Power consumption .... 1.4 KW or less •...
Page 10 Toner cartridge 1pc. Operator’s manual pocket 1pc. Detouchable power cord 1pc. * Machine version NAD: North America MJD: Europe AUD: Australia ASD: Asia SAD: Saudi Arabia TWD: Taiwan CND: China December 2000 © TOSHIBA TEC 1 - 5 1600/2000/2500 SPECIFICATIONS...
Page 11: Replacement Units/Supplies
Transfer charger unit MAIN-CH-1600 (2) Process unit Process unit PU-1600, PU-1600E, PU-1600D, PU-1600C (3) Supplies T-1600, T-1600E, T-1600D (for DP1600 series) Toner cartridge T-2500, T-2500E, T-2500D (for DP2000/2500 series) 1600/2000/2500 SPECIFICATIONS 1 - 6 December 2000 © TOSHIBA TEC 01/11...
Page 12: System List
-NAD/MJD/AUD/ASD/SAD) Memory kit GC-1050, GC-1050-N 2nd cassette Paper feed unit (PFU) MY-1015, MY-1015-N Printer kit (Printer control) GA-1030 (for DP1600 series) GA-1031 (for DP1600/2000/2500 series) 3rd cassette Network interface card kit (NIC) (for DP2000/2500 series) GF-1110 Paper size: A4/LT Relay board...
Page 13: Table Of Contents
OUTLINE OF THE 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 ..
Page 14: Outline Of The Machine
2. OUTLINE OF THE MACHINE 2.1 Sectional View [A] Front view 46 47 24 23 December 2000 © TOSHIBA TEC 2 - 1 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 15 Transfer guide roller Pinch roller Registration roller Feed roller Pickup roller Timing pulley Separate roller 2nd pinch roller 2nd feed roller Cassette slider Cassette catch Toner supply gear 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 2 December 2000 © TOSHIBA TEC...
Page 17 Registration roller clutch Cassette feed gear 1 Cassette feed gear 2 Timing belt 309 Pickup clutch Cassette feed gear 3 Cassette feed gear 4 Cassette feed gear 5 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 4 December 2000 © TOSHIBA TEC...
Page 18: Location Of Electrical Parts
2.2 Location of Electrical Parts (A-1) Boards MEM-1 (Option) MEM-2 (Option) 02-02-01 (ASD/AUD/CND/TWD/SAD models) HVPS December 2000 © TOSHIBA TEC 2 - 5 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 20 (B-1) Sensors, switches and clutches *APS-3 *APS-5 *APS-2 *APS-4 *APS-1 *APS-6 (ASD/AUD/CND/TWD/SAD/MJD models) (NAD model) SEN1 SEN2 SEN3 SEN4 SEN5 02-02-03 * : DP2000/2500 series December 2000 © TOSHIBA TEC 2 - 7 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 22 (B-3) Sensors, switches and clutches SEN6 02-02-05 SEN7 December 2000 © TOSHIBA TEC 2 - 9 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 24 (D-1) Thermofuse, thermistors and heaters THM1 (ASD/AUD/CND/MJD models) (ASD/AUD/CND/MJD models) THM2 02-02-07 THM3 (NAD/TWD/SAD models) December 2000 © TOSHIBA TEC 2 - 11 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 25 (D-2) Sensors, switches, thermofuse, thermistors, lamps and heaters *THM4 *DH1 02-02-08 SEN8 THM5 * : ASD/AUD/CND/TWD/SAD models 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 12 December 2000 © TOSHIBA TEC...
Page 26: Symbols And Functions Of Various Devices
Laser drive PWA PWA-PDV PWA which drives the polygon motor. (A-2) Polygonal motor drive PWA MEM-1 PWA-F-MEM 64 Mbyte expansion memory PWA. (A-1) MEM-2 Optional memory PWA (Option) (GC-1050) December 2000 © TOSHIBA TEC 2 - 13 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 27 SEN7 T-UP-SEN Detects the lift-up of the tray. (B-3) Tray-up sensor SEN8 TNRE-SEN Detects the toner density. (D-2) Toner empty sensor (In Process unit) 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 14 December 2000 © TOSHIBA TEC...
Page 28 Drives the auger in the toner cartridge and (C-1) Toner supply motor supplies toner to the process unit. T-UP-MOT Lifts up the tray of the copier cassette. (C-1) Tray-up motor December 2000 © TOSHIBA TEC 2 - 15 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 29 SCN-THM Keeps the scanner damp heater at a fixed (D-2) Scanner thermofuse temperature. (ASD/AUD/CND/TWD/SAD models) THM5 DRM-THM Detects the surface temperature of the drum. (D-2) Drum thermistor 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 16 December 2000 © TOSHIBA TEC...
Page 30 PWA which generates DC power. (A-2) Switching power supply unit (ASD/AUD/CND/MJD models) PWA-F-FUS PWA which relays AC power to each damp (A-1) Fuser relay PWA heater. (ASD/AUD/CND/TWD/SAD models) December 2000 © TOSHIBA TEC 2 - 17 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 31: Copy Paper Path
2.4 Copy Paper Path 2.4.1 Normal 02-04-02 2.4.2 When the PFU, PFP, ADU, SFB and OCT are mounted Duplex print 02-04-03 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 18 December 2000 © TOSHIBA TEC...
Page 32: When The Pfu, Pfp, Cm, Adu, Sfb And Jsp Are Mounted
2.4.3 When the PFU, PFP, CM, ADU, SFB and JSP are mounted Duplex print 02-04-04 2.4.4 When the PFU, LCF, ADU, SFB and Finisher are mounted Duplex print 02-04-05 December 2000 © TOSHIBA TEC 2 - 19 1600/2000/2500 OUTLINE OF THE MACHINE...
Page 33: System Block Diagrams
2.5 System Block Diagrams 02-04-01 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 20 December 2000 © TOSHIBA TEC 01/11...
Page 34: Removal And Reinstallation Of Covers And Pc Boards
1. If an Original Cover (KA-1600PC), ADF (MR-2012), or the RADF (MR-3011) is attached to the copier, open it. 2. Remove the cushion rubber at 3 places. 003-1 Fig. 2-6-3 December 2000 © TOSHIBA TEC 2 - 21 1600/2000/2500 OUTLINE OF THE MACHINE 01/05...
Page 35 4. Detach top cover. (See Fig. 2-6-2) 5. Remove 3 screws, release 2 tabs, and detach top cover R by lifting in the direction of the arrow. Fig. 2-6-6 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 22 December 2000 © TOSHIBA TEC 01/05...
Page 36 2 hooks, and remove control panel. Note: When attaching the control panel, secure it with the clamp to prevent the core from drop- ping. December 2000 © TOSHIBA TEC 2 - 23 1600/2000/2500 OUTLINE OF THE MACHINE 01/05...
Page 37 2. Remove 3 screws holding the paper tray cover. (See Fig. 2-6-11) 3. Take out the paper cassette. 4. Remove 4 screws and detach left cover. Paper cassette Screw Fig. 2-6-13 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 24 December 2000 © TOSHIBA TEC...
Page 38 4. Detach an ADU (MD-0101) from the copier. 5. If a SFB (MY-1016) is attached to the copier, detach it. 6. Remove 2 screws and detach lower right cover December 2000 © TOSHIBA TEC 2 - 25 1600/2000/2500 OUTLINE OF THE MACHINE 01/05...
Page 39 2. Detach right cover R. (See Fig. 2-6-15) 3. Remove 2 screws, release 2 hooks, and de- tach right cover. Hook Right cover Screw Fig. 2-6-18 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 26 December 2000 © TOSHIBA TEC 01/05...
Page 40 7. Detach control panel bottom cover. (See Fig. 2-6-8) 8. Detach front frame covers F and R. (See Fig. 2-6-19 and 2-6-20) 9. Remove stop ring and detach exit cover. December 2000 © TOSHIBA TEC 2 - 27 1600/2000/2500 OUTLINE OF THE MACHINE 01/05...
Page 41 10. Detach front frame cover F and front frame cover R. (See Fig. 2-6-19 and 2-6-20) 11. Detach front cover. (See Fig. 2-6-23) 12. Remove 4 screws, release 2 hooks, and detach main cover. 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 28 December 2000 © TOSHIBA TEC 01/05...
Page 42: Removal Of Pc Boards
7. If finisher (MJ-1011) is attached to the copier, detach the finisher PWA. 8. Detach the connectors from MAIN PWA (CN4/CN8/CN9/CN18). 9. Remove 4 screws and remove MAIN PWA (CN15) from RELAY PWA (CN21). (for DP1600) Clamp Screw 10. Remove 4 screws and then release the clamp, Screw...
Page 43 Short size counter value: Enter the remainder obtained by dividing the total counter value (08-351) by the process unit life value (27k or 33k). For the setting procedures, refer to section 1.2.5 of the Service Handbook. 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 30 December 2000 © TOSHIBA TEC 01/09...
Page 44 08-401: Find a remainder by dividing the total counter value (08-351) by the process life unit value (27k or 33k). Enter the value obtained by multiplying the remainder by 4.7 (for DP1600/2000 series) or 4.5 (for DP2500 series). 08-251: When it was set before the MAIN PWA was replaced, perform the setting again.
Page 45 4. Remove one screw, detach PC I/F PWA cover, Screw and detach the connector. 5. Remove 2 screws and remove PC I/F PWA. PC I/F PWA cover Fig. 2-6-27 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 32 December 2000 © TOSHIBA TEC...
Page 46 HVPS cover. 7. Detach all the connectors, remove 4 screws, then remove high voltage power supply. Screw High voltage power supply Screw 026-2 Fig. 2-6-29 December 2000 © TOSHIBA TEC 2 - 33 1600/2000/2500 OUTLINE OF THE MACHINE 01/07...
Page 47 Yellow switch connector is in the lower side. (CND LVPS Reset switch model) Connector Screw Clamp LVPS Screw 027-2-3 Fig. 2-6-31-1 1600/2000/2500 OUTLINE OF THE MACHINE 2 - 34 December 2000 © TOSHIBA TEC 01/07...
Page 48 6. Detach all the connectors from FUS PWA. 7. Release 4 locking supports and remove FUS CN110 PWA. CN111 Locking support FUS PWA 028-2 Fig. 2-6-33 December 2000 © TOSHIBA TEC 2 - 35 1600/2000/2500 OUTLINE OF THE MACHINE 01/07...
Page 49 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...
Page 50 Development: toner adheres to the sur- face of the photosensitive drum and forms a Discharger LED array: Discharges any re- visible image. maining charge from the drum. December 2000 © TOSHIBA TEC 3 - 1 1600/2000/2500 COPYING PROCESS...
Page 51: Details Of Copying Process
The drum surface potential is determined by the potential of the grid, and the grid is determined Grid control circuit Transformer by the grid control circuit inside the transformer. 03004 Fig. 3-2-3 1600/2000/2500 COPYING PROCESS 3 - 2 December 2000 © TOSHIBA TEC...
Page 52 Semiconductor laser signals are exposed by a semiconductor laser to form a static latent image on the photosensi- Photo- tive drum. sensitive drum 03006 Fig. 3-2-6 December 2000 © TOSHIBA TEC 3 - 3 1600/2000/2500 COPYING PROCESS...
Page 53 Approx. 60 µm Resin charged to plus polarity by friction caused by (35 ~ 60 %) stirring. [Toner] [Carrier] Toner: Comprises plastic and Magnetite. Fig. 3-2-10 Carrier: Ferrite 1600/2000/2500 COPYING PROCESS 3 - 4 December 2000 © TOSHIBA TEC...
Page 54 Normally, the corona discharge is applied by a voltage of 5.2 kV DC. However, to improve transferabil- ity at the leading edge of the paper, a higher output (5.5 kV DC) is applied to the leading edge of the paper. December 2000 © TOSHIBA TEC 3 - 5 1600/2000/2500 COPYING PROCESS...
Page 55 Separation Rotation of drum chager jamming up the cleaner, a separation claw me- chanically separates any copy paper which fails to be separated. 03016 1600/2000/2500 COPYING PROCESS 3 - 6 December 2000 © TOSHIBA TEC...
Page 56 03019 Fig. 3-2-17 This blade scrapes off the remain- ing toner from the drum. Another blade collects the scraped toner (recovery blade). The drum surface is cleaned. December 2000 © TOSHIBA TEC 3 - 7 1600/2000/2500 COPYING PROCESS...
Page 57 Discharge LED array illuminates the entire drum surface. The drum becomes a conductor. Since the drum is grounded, the electric charge escapes. The drum is ready for the next copy. 1600/2000/2500 COPYING PROCESS 3 - 8 December 2000 © TOSHIBA TEC...
Page 58: List Of Copying Process Conditions
Adjustable output (constant current) using the digital keys 8. Discharge (1) Discharging position Discharge by exposure after cleaning (2) Discharge lamp Discharge by red LED 9. Cleaning (1) System Blade system (2) Recovered toner Non-reusable December 2000 © TOSHIBA TEC 3 - 9 1600/2000/2500 COPYING PROCESS...
Page 59 2. Remove 4 screws and detach the drum assem- bly. Screw Screw Fig. 3-4-2 3-4-02 3. Remove 2 screws and detach the DLE PWA Screw assembly. DLE PWA assembly Screw Fig. 3-4-3 3-4-03 1600/2000/2500 COPYING PROCESS 3 - 10 December 2000 © TOSHIBA TEC 01/11...
Page 60 2. Do not touch the main charger wire with your fingers. 3. Clean the inside of the main charger as- sembly if toner is stuck. 3-4-07 Fig. 3-4-7 December 2000 © TOSHIBA TEC 3 - 11 1600/2000/2500 COPYING PROCESS 01/11...
Page 61 7. Pull out 2 pins and detach the drum cleaning blade. 3-8-09 Fig. 3-4-9 Note: Be sure not to touch the contact part of the drum cleaning blade and drum. 1600/2000/2500 COPYING PROCESS 3 - 12 December 2000 © TOSHIBA TEC 01/11...
Page 62 Reference position in right. Attach the cover sheet B securely with no portion lifted and no wrinkles ap- peared. Cover sheet B Fig. 3-4-13 3-4-13 December 2000 © TOSHIBA TEC 3 - 13 1600/2000/2500 COPYING PROCESS 01/11...
Page 63 3. Remove 2 screws and detach the developer cover. Developer assembly Fig. 3-4-16 3-4-16 4. Turn the developer assembly up side down and Developer assembly detach the old developer material. 3-4-17 Fig. 3-4-17 1600/2000/2500 COPYING PROCESS 3 - 14 December 2000 © TOSHIBA TEC 01/11...
Page 64 5. Detach the main charger wire. (See Fig. 3-4-6.) 6. Detach the main charger wire cleaning pad from the main charger wire cleaning lever. Main charger wire cleaning pad 3-4-20 Fig. 3-4-20 December 2000 © TOSHIBA TEC 3 - 15 1600/2000/2500 COPYING PROCESS 01/11...
Page 65 Fig. 3-4-23 3-4-23 gear 2 and magnetic roller drive gear. Magnetic roller Developer 8. Release 2 hooks and detach the magnetic roller guide assembly guide. 3-4-24 Fig. 3-4-24 1600/2000/2500 COPYING PROCESS 3 - 16 December 2000 © TOSHIBA TEC 01/11...
Page 66 If the gap is out of the specified value, repeat the procedure from 1). When closing the developer cover, do not push the magnetic roller guide. December 2000 © TOSHIBA TEC 3 - 17 1600/2000/2500 COPYING PROCESS 01/11...
Page 67 14. Detach the bushing. Washer Bushing 15. Detach 2 washers and the 2 magnetic roller Magnetic roller Magnetic roller spacer spacer. spacer Washer Magnetic roller 3-4-30 Fig. 3-4-30 1600/2000/2500 COPYING PROCESS 3 - 18 December 2000 © TOSHIBA TEC 01/11...
Page 68 2. Detach the drum assembly. (See Fig. 3-4-2.) 3. Detach the DLE PWA assembly. (See Fig. 3-4- 4. Replace the fuse shown in right. DLE PWA assembly 3-4-32 Fig. 3-4-32 December 2000 © TOSHIBA TEC 3 - 19 1600/2000/2500 COPYING PROCESS 01/11...
Page 69 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 ................
Page 70: Copier Operation
Each tray is lifted. (It will not move if it has already been lifted.) (2) When the temperature of the heat roller has been sufficiently stabilized, the copy quantity shows “1” and the word “READY” appears. December 2000 © TOSHIBA TEC 4 - 1 1600/2000/2500 COPIER OPERATION...
Page 71: Standby
RADF) or loading a document into the document feeder (ADF or RADF) if installed. At this time, the power of the main CPU is turned on so that the operation begins with the same processing as when the power is turned ON. 1600/2000/2500 COPIER OPERATION 4 - 2 December 2000 © TOSHIBA TEC...
Page 72: Automatic Feed Copying Using The Start Key
19) The development bias output is turned OFF after a specified time, and the paper separation bias output and the discharge LED output are turned OFF at the same time. December 2000 © TOSHIBA TEC 4 - 3 1600/2000/2500 COPIER OPERATION...
Page 73: Bypass-Feed Copying
INTERRUPT key turns off and the copier is restored to its state prior to the interruption. The message “Ready to resume job“ appears. (4) Press the START key and the operation prior to the interruption is resumed. 1600/2000/2500 COPIER OPERATION 4 - 4 December 2000 © TOSHIBA TEC...
Page 74: Fault Detection
C) Error subject to service call An error which has detected that the machine cannot be operated. In this case, turn the power OFF. Display • Call for service December 2000 © TOSHIBA TEC 4 - 5 1600/2000/2500 COPIER OPERATION...
Page 75: Explanation Of Faults
OFF exceeds 5.38 seconds, the message “Misfeed in copier” will be displayed. Reset procedure : Open the side cover and remove the paper to turn the sensor OFF, then close the side cover. 1600/2000/2500 COPIER OPERATION 4 - 6 December 2000 © TOSHIBA TEC...
Page 76 At this time, if the exit sensor of the copier does not turn ON for a fixed time, PFU miss feed will be assumed and the message “Misfeed in copier” will be displayed. Reset procedure : Open the PFU cover or copier side cover and remove the jammed paper. December 2000 © TOSHIBA TEC 4 - 7 1600/2000/2500 COPIER OPERATION...
Page 77 STOP key and 8 key at the same time while the message is displayed, the error code will appear on the display. The explanation of the error code is written in the “SERVICE HANDBOOK.” 1600/2000/2500 COPIER OPERATION 4 - 8 December 2000 © TOSHIBA TEC...
Page 78: Flow Charts
(with PFP installed) Process unit fan ADU paper jam sensor (Upper/Lower) motor at low speed (with ADU installed) Heater ON Polygon motor ON Process unit fan motor Service call "C96" December 2000 © TOSHIBA TEC 4 - 9 1600/2000/2500 COPIER OPERATION...
Page 79 Stop of main motor Print temperature OK? Over 40˚C? Over Over 25 sec. after heater 205 sec. after heater Service call Service call "C41" "C43 or 44" Toner empty? Standby Toner empty 1600/2000/2500 COPIER OPERATION 4 - 10 December 2000 © TOSHIBA TEC...
Page 80: Copying At Platen (Simplex → Simplex)
4.4.2 Copying at platen (Simplex → → → → → Simplex) Start button ON Scanning of document Cassette feed Copy Ejection Final copy? Standby December 2000 © TOSHIBA TEC 4 - 11 1600/2000/2500 COPIER OPERATION...
Page 81: Copying Using Cassette 1
Main motor OFF system control Polygon motor OFF Development bias OFF Separation bias OFF Discharge lamp OFF End of process Process unit fan motor low speed rotation system control Standby 1600/2000/2500 COPIER OPERATION 4 - 12 December 2000 © TOSHIBA TEC...
Page 82 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 ....
Page 83: Display Unit
Misfeed in copier Remove any misfeed paper from copier. Misfeed in copier Close lower side cover. LCD panel display calling for operator’s attention ( In case of PFU JAM Clearance) December 2000 © TOSHIBA TEC 5 - 1 1600/2000/2500 DISPLAY UNIT...
Page 84: Items Shown On The Display Panel
Platen sort copying standby state. • When using original cover. ----- Timer off • Press the any key to clear. • No message is displayed in the display panel. 1600/2000/2500 DISPLAY UNIT 5 - 2 December 2000 © TOSHIBA TEC...
Page 85 ENTER E-MAIL ADDRESS (MAX256): Nov15-2000 11:30am M:100% RESOLUTION: :AUTO 600dpi Note: "Scan" does not exist when GA-1030/1031, GD-1060, GF-1110 and GD-1070 are not attached. Fig. 5-2-1 Wait warming up December 2000 © TOSHIBA TEC 5 - 3 1600/2000/2500 DISPLAY UNIT...
Page 86: Display In The Event Of Faulty Conditions
Time for maintenance Indication of PM cycle. Maintenance and inspection by a • Displayed when it is time for qualified service technician. preventive maintenance and inspection. • Capable of copying. 1600/2000/2500 DISPLAY UNIT 5 - 4 December 2000 © TOSHIBA TEC...
Page 87 Copy job is canceled. READY Add Paper Blink → PAPER : A4 :AUTO PAPER :AUTO Empty FINISHING:SORT ZOOM: 65% FINISHING:SORT ZOOM:100% EDIT EDIT Copy Copy Blink Fig. 5-2-2 Cassette 1 empty December 2000 © TOSHIBA TEC 5 - 5 1600/2000/2500 DISPLAY UNIT...
Page 88 When 100 pages printed, toner end is determined Toner empty Open front cover. Blink Toner empty Replace toner cartridge. Blink Toner empty Close front cover. Blink Fig. 5-2-3 Toner empty 1600/2000/2500 DISPLAY UNIT 5 - 6 December 2000 © TOSHIBA TEC...
Page 89 Misfeed in copier Release light blue fuser latches. Misfeed in copier Remove any misfeed paper from copier. Misfeed in copier Close side cover of the copier. Fig. 5-2-5 Misfeed in copier December 2000 © TOSHIBA TEC 5 - 7 1600/2000/2500 DISPLAY UNIT...
Page 90 Open side cover of Large-Capacity- Feeder. Misfeed in copier Remove any misfeed paper from copier. Misfeed in copier Close side cover of Large-Capacity- Feeder. Fig. 5-2-6 Misfeed in copier (LCF) 1600/2000/2500 DISPLAY UNIT 5 - 8 December 2000 © TOSHIBA TEC...
Page 91 Turn light blue wheel. Misfeed in doc.feefer Remove the misfeed sheets of original. Misfeed in doc.feefer Close jam access cover of doc.feeder. Fig. 5-2-7 Misfeed in doc. feeder (ADF) December 2000 © TOSHIBA TEC 5 - 9 1600/2000/2500 DISPLAY UNIT...
Page 92 Misfeed in finisher Open bridge cover. Misfeed in finisher Remove any misfeed paper from bridge. Misfeed in finisher Close bridge cover. Fig. 5-2-8 Misfeed in finisher (Finisher) 1600/2000/2500 DISPLAY UNIT 5 - 10 December 2000 © TOSHIBA TEC...
Page 93 Misfeed in duplexer Remove any misfeed paper from copier. Misfeed in duplexer Close side cover of the copier. Misfeed in duplexer Close duplex unit. Fig. 5-2-9 Misfeed in duplexer (ADU) December 2000 © TOSHIBA TEC 5 - 11 1600/2000/2500 DISPLAY UNIT...
Page 94: Relation Between Copier Conditions And Operator's Actions
5.3 Relation between Copier Conditions and Operator’s Actions 1600/2000/2500 DISPLAY UNIT 5 - 12 December 2000 © TOSHIBA TEC...
Page 95: Description Of Operation
The HLM6244 is an STN black & white mode transmission type LCD with a 240 X 64 dots display capacity. It includes driver LSI, a frame and PC board. STN: Super Twisted Nematic December 2000 © TOSHIBA TEC 5 - 13 1600/2000/2500 DISPLAY UNIT...
Page 96 (2) Block diagram Coml 240 x 64 dots driver Com64 Segl Seg240 X driver 1 X driver 2 X driver 3 AC signal generating circuit BIAS 1600/2000/2500 DISPLAY UNIT 5 - 14 December 2000 © TOSHIBA TEC...
Page 97 LED14 LED13 LED12 LED11 LED10 LED9 LED8 LED19 LED18 LED17 LED16 E00010- E0001E WR SRAM controller LCD 240 x 64 A1-A4 IORD IOWR OP ASIC FOR POWER SAVE MODE December 2000 © TOSHIBA TEC 5 - 15 1600/2000/2500 DISPLAY UNIT...
Page 98 Address SRAM SRAM control Data Timing Clock generator (5) Data Transmission Method CPI (LP) CP2 (SCP) 48,240 1,240 CPI (LP) 64, (1~240) 1, (1~240) 2, (1~240) 1, (1~240) 1600/2000/2500 DISPLAY UNIT 5 - 16 December 2000 © TOSHIBA TEC...
Page 99: Led Display Circuit
5.4.2 LED display circuit (1) Timing chart of LED display READ WRITE OA1~4 IOCS0X IORDX IOWRX OD0~7 December 2000 © TOSHIBA TEC 5 - 17 1600/2000/2500 DISPLAY UNIT...
Page 100 The output connected to the cathode of the LED is the level “L”. The LED comes ON when both above are satisfied. EC-N016 L125HZ0 2SC411B L125HZ1 2SC411B LED9 LED8 LED7 LED6 OTK board LED5 LED4 LED3 LED2 LED1 LED0 1600/2000/2500 DISPLAY UNIT 5 - 18 December 2000 © TOSHIBA TEC...
Page 101 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...
Page 102: Image Processing
High quality image processing, image memory editing, editing process- ing, gamma correction processing, tone processing, and external out- put systems interface MAIN Board Image area control, laser relation control, smooting processing December 2000 © TOSHIBA TEC 6 - 1 1600/2000/2500 IMAGE PROCESSING...
Page 103: Image Processing Circuit
Laser related control copy, magazine copy, simplex reduction concatenation, duplex Laser unit reduction concatenation, image combination, date annotation, sheet insertion mode, etc. Laser drive : Image data flow 07002 Fig. 6-2-1 1600/2000/2500 IMAGE PROCESSING 6 - 2 December 2000 © TOSHIBA TEC...
Page 104: Slg Board
Dynamic range width Extended dynamic rage width After range correction Back- ground Text Lower Density Higher Lower Density Higher 07003 Fig. 6-3-1 Histogram December 2000 © TOSHIBA TEC 6 - 3 1600/2000/2500 IMAGE PROCESSING...
Page 105 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 Primary scanning pixel positions Primary scanning pixel positions 07005 1600/2000/2500 IMAGE PROCESSING 6 - 4 December 2000 © TOSHIBA TEC...
Page 106 (a) Enlargement/reduction This function is accomplished by using line memory control in a part of operations. <Example> Enlargement 100% 200% 07007 <Example> Reduction 100% 07008 December 2000 © TOSHIBA TEC 6 - 5 1600/2000/2500 IMAGE PROCESSING...
Page 107 (6) Tone processing This function processes tone to faithfully reproduce halftone images such as photographs. (7) External output systems interface This function controls output interface of the MAIN board. 1600/2000/2500 IMAGE PROCESSING 6 - 6 December 2000 © TOSHIBA TEC...
Page 108 (3) A/D conversion Analog signals are converted to digital signals. (4) Shading correction The signals picked up by the CCD device are compensated. For details, see Chapter 7, 6-2. December 2000 © TOSHIBA TEC 6 - 7 1600/2000/2500 IMAGE PROCESSING...
Page 109 (2) Synchronization Clock Generation ..• HSYNC and the reference clock signal at printer block block of horizontal synchronizing synchronized with the signal. signal (HSYNC) (3) Laser drive block ........• ON/OFF control of the semiconductor laser and APC (Auto Power Control) control. 1600/2000/2500 IMAGE PROCESSING 6 - 8 December 2000 © TOSHIBA TEC...
Page 110 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............
Page 111: Scanner
Exposure lamp (Xenon) Reflector Original glass Scanner motor pulley Carriage 1 Carriage 1 rail Scanner drive gear Carriage 2 rail Lens Carriage 2 Scanner control PWA CCD PWA 08-01-01 December 2000 © TOSHIBA TEC 7 - 1 1600/2000/2500 SCANNER...
Page 112: Configuration
Mirror 1 Mirror 1 is for guiding light reflected from the original to mirror 2. Mirror 2 is described later on. Original Original glass Reflector Exposure lamp Mirror 1 08-02-02 1600/2000/2500 SCANNER 7 - 2 December 2000 © TOSHIBA TEC...
Page 113 Mirror 3 Carriage 2 08-02-03 (4) Lens → CCD Light reflected from mirror 3 is projected to the CCD. The CCD is located at the focal point of a fixed lens. December 2000 © TOSHIBA TEC 7 - 3 1600/2000/2500 SCANNER...
Page 114 The automatic original detection unit (APS sensor) uses sensors located in front of the lens cover and on the base frame for detection of the size of the original without the process of scanning. 1600/2000/2500 SCANNER 7 - 4 December 2000 © TOSHIBA TEC...
Page 115: Scanner Motor Operation
First of all, carriages 1 and 2 moves to the home position. Home position is detected by carriage 1 passing the home position sensor. Carriages 1 and 2 then scan the original when the [START] key on the control panel is depressed. December 2000 © TOSHIBA TEC 7 - 5 1600/2000/2500 SCANNER...
Page 116: Scanner Motor Drive Circuit
The current flowing through the motor flows from R9 to R12 to generate voltage. This voltage is compared with the voltage set by the BPWM signal in IC9 and the current to flow through the motor is controlled based on its result. 1600/2000/2500 SCANNER 7 - 6 December 2000 © TOSHIBA TEC...
Page 117 The relations between the motor drive condition and each output of the BDTA/B signal, BCKO signal, and BSTB signal are shown below. December 2000 © TOSHIBA TEC 7 - 7 1600/2000/2500 SCANNER...
Page 118 Output signal pattern Positive number Negative number BCK0 BSTB (0%) (20%) (40%) (55.5%) BDTA BDTB (71.4%) (83%) (91%) (100%) 08-04-02 1600/2000/2500 SCANNER 7 - 8 December 2000 © TOSHIBA TEC...
Page 119: Exposure Lamp Control
This ultraviolet ray converts the fluorescer into the visible light. (1) (8) 08-05-04 (1)Electrode (2)Electron (3)Xenon atom (4)Ultraviolet ray (5)Fluorescer (6)Visible light (irradiated from the opening to outside the pipe) (7)Opening (8)Harness December 2000 © TOSHIBA TEC 7 - 9 1600/2000/2500 SCANNER...
Page 120: Exposure Lamp Control Circuit
This circuit is made up of the motor control IC (IC4), and the transformer, capacitor and other peripheral elements on the Inverter PWA and controls the lighting of the exposure lamp. The circuit configurations are different on the DP1600 series and DP2000/2500 series. DP1600 series The motor control IC (IC4) turns the LAMP signal to the HIGH level.
Page 121 It shortens the on time of Q1 when the input voltage rises, and extends the on time of Q1 when the voltage drops. Scanner control PWA Inverter PWA Exposure lamp +24V CPUA0~19 LAMP Motor Scanner MPU CPUD0~15 control IC Switching regulator 08-05-02 December 2000 © TOSHIBA TEC 7 - 11 1600/2000/2500 SCANNER...
Page 122: General Description Of Ccd Control
Transfer clock Optical energy Transfer area P-layer N-layer 7447 7448 7449 7450 Photosensor area Detailed photosensor Transfer area Shift register Transfer clock Principle of CCD Photo-Voltaic Conversion 08-06-01 1600/2000/2500 SCANNER 7 - 12 December 2000 © TOSHIBA TEC...
Page 123: Shading Compensation
(S - K) I = k x (W - K) where, Coefficient Image data before compensation Black data (in black memory) White data (in white memory) December 2000 © TOSHIBA TEC 7 - 13 1600/2000/2500 SCANNER...
Page 124: Automatic Original-Size Detection Circuit (Dp2000/2500 Series)
(4) are satisfied. (3) Original size detection is performed when the output signals from each sensor are input to the scan- ner MPU (IC1) on the scanner control PWA. 1600/2000/2500 SCANNER 7 - 14 December 2000 © TOSHIBA TEC...
Page 125 [ASD/AUD/CND/TWD/SAD/MJD models] APS-5 APS-4 A5-R B5-R APS-3 A4-R APS-2 APS-1 08-07-03 [NAD model] APS-5 APS-6 APS-4 ST-R APS-3 LT-R APS-2 08-07-04 December 2000 © TOSHIBA TEC 7 - 15 1600/2000/2500 SCANNER 01/03...
Page 126 * Original cover sensor SW=ON • Keep the recognized original size (or no original state) just before the original cover sensor is turned on regard-less the APS sensor output signal. 1600/2000/2500 SCANNER 7 - 16 December 2000 © TOSHIBA TEC 01/03...
Page 127: Damp Heater Control Circuit (Asd/Aud/Cnd/Twd/Sad Models)
ON/OFF state of the main switch. Scanner unit LVPS FUS PWA Entrance Scanner dump heater Connector F1/F2 AC/I/L Noise filter AC/I/N Scanner thermofuse Connector 08-08-01 December 2000 © TOSHIBA TEC 7 - 17 1600/2000/2500 SCANNER...
Page 128: Disassembly And Replacement
FUS PWA cover. (See Fig. 2-6-33) 20. If the damp heater is installed, detach the damp FUS PWA heater harness connector and release the three 039-3 Fig. 7-8-2 clamps. 1600/2000/2500 SCANNER 7 - 18 December 2000 © TOSHIBA TEC...
Page 129 Fig. 7-8-2-1 23. Remove 2 screws. Screw Scanner stay L Screw Fig. 7-8-3 24. Remove 8 screws and remove scanner stay R. Screw Screw Scanner stay R Screw Fig. 7-8-4 December 2000 © TOSHIBA TEC 7 - 19 1600/2000/2500 SCANNER...
Page 130 ADF glass ADF glass. Note: For installing the ADF glass and original glass and adjusting the tilt, refer to the Ser- vice Handbook. (See Chapter 1.8) Original glass 043-2 Fig. 7-8-7 1600/2000/2500 SCANNER 7 - 20 December 2000 © TOSHIBA TEC...
Page 131 Screw bracket assembly while releasing scanner tim- Scanner motor bracket assembly ing belt 142. Note: Do not mix the screws removed. Timing belt 142 Scanner motor bracket 1 Fig. 7-8-10 December 2000 © TOSHIBA TEC 7 - 21 1600/2000/2500 SCANNER...
Page 132 4. Remove 2 screws and remove INV PWA as- sembly. 049-1 Fig. 7-8-12 5. Remove one screw, release locking support, and remove INV PWA. Screw INV PWA INV PWA plate 049-2 Fig. 7-8-13 1600/2000/2500 SCANNER 7 - 22 December 2000 © TOSHIBA TEC...
Page 133 3. Remove 4 screws and remove blind plate. 050-1 Fig. 7-8-16 Note: If the damp heater is installed, release one Connector hook and detach one connector. Screw Screw (TWD/SAD/ASD/AUD/CND models) Blind plate 050-2 Fig. 7-8-17 December 2000 © TOSHIBA TEC 7 - 23 1600/2000/2500 SCANNER...
Page 134 Fig. 7-8-17-2 6. Remove 2 screws and detach the CCD PWA Screw lower shield plate. (TWD model of DP2500 se- CCD PWA lower shield plate ries) 050-5 Fig. 7-8-17-3 1600/2000/2500 SCANNER 7 - 24 December 2000 © TOSHIBA TEC 01/09...
Page 135 4. When the error message “F14” ap- pears after replacing the scanner assembly, refer to the Service Handbook and perform (08-389). Note: When removing scanner PWA, beware of scanner drive shaft. December 2000 © TOSHIBA TEC 7 - 25 1600/2000/2500 SCANNER 01/09...
Page 136 10. Detach the connector from INV PWA (CN2), re- move one screw, and detach the ground wire. Screw Ground wire INV PWA 053-1 Fig. 7-8-20 Ground wire DP2000/2500 Connector Screw INV PWA 053-2 Fig. 7-8-21 1600/2000/2500 SCANNER 7 - 26 December 2000 © TOSHIBA TEC...
Page 137 14. Remove one screw and detach the ground wire. Screw 15. Remove 2 screws, cut the cable tie, and detach Ground wire Cable tie the exposure lamp. Screw Fig. 7-8-23 December 2000 © TOSHIBA TEC 7 - 27 1600/2000/2500 SCANNER...
Page 138 (See Chapter 1.8) 056-2 [CAUTION] Adjusting screw Never turn the angle adjusting screw of mirror. Be Spring plate Fig. 7-8-25 careful that holding or pushing the lamp part can damage the lamp. 1600/2000/2500 SCANNER 7 - 28 December 2000 © TOSHIBA TEC...
Page 139 13. Detach wire on the side where it is hooked and fixed to scanner frame and release wire from roller if carriage 2. Roller Wire holder Carriage 2 Roller Screw Wire Fig. 7-8-27 December 2000 © TOSHIBA TEC 7 - 29 1600/2000/2500 SCANNER...
Page 140 2. For mounting Carriage 2, refer to the Ser- Mirror 3 vice Handbook. (See Chapter 1.8) [CAUTION] Never turn the angle adjusting screw of mirror. Spring plate 060-3 Screw Fig. 7-8-30 1600/2000/2500 SCANNER 7 - 30 December 2000 © TOSHIBA TEC...
Page 141 14. Remove the screw and remove scanner drive Scanner Bearing drive shaft gear. Note: For winding the wire, refer to the Service Bearing Handbook. (See Chapter 1.8) Wire E-ring Fig. 7-8-32 December 2000 © TOSHIBA TEC 7 - 31 1600/2000/2500 SCANNER...
Page 142 3. For mounting the CCD unit and adjust- ing the enlargement/reduction of images, refer to the Service Handbook. (See Chapter 1.8) 1600/2000/2500 SCANNER 7 - 32 December 2000 © TOSHIBA TEC 01/09...
Page 143 (See Fig. 7-8-16 and 7-8-17) 4. Detach 2 connectors. Fig. 7-8-36 5. Release the clamp. 065-6 6. Remove 2 screws and remove the scanner Screw thermofuse. Scanner thermofuse 065-7 Fig. 7-8-37 December 2000 © TOSHIBA TEC 7 - 33 1600/2000/2500 SCANNER 01/09...
Page 144 5. Release 2 clamps and detach the connector. Screw 6. Remove 2 screws and remove damp heater. Damp heater Screw Connector Clamp 065-8 Fig. 7-8-39 1600/2000/2500 SCANNER 7 - 34 December 2000 © TOSHIBA TEC...
Page 145 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...
Page 146: Printing
Laser diode Aperture Laser drive PWA Lens Polygonal mirror Hsync detector Lens Hsync detection mirror Polygonal mirror motor drive PWA 08-01-01 Fθ correction lens 2 Fθ correction lens 1 Fig. 8-1-1 December 2000 © TOSHIBA TEC 8 - 1 1600/2000/2500 PRINTING...
Page 147: Structure
The warning label shown below is attached on the PU guide assembly. 08-02-01 Fig. 8-2-1 [CAUTION] • Do not insert tools that are highly reflective into the path of the laser beam. • Remove all watches, rings, bracelets, etc. 1600/2000/2500 PRINTING 8 - 2 December 2000 © TOSHIBA TEC...
Page 148 One scan is completed by completion of steps A to C . One scan is carried out on one plane of the polygonal mirror. Six scans can be carried out with one rotation of the polygonal mirror. December 2000 © TOSHIBA TEC 8 - 3 1600/2000/2500 PRINTING...
Page 149 The laser light, which is scanned by the any reflected face on the polygonal mirror, is reflected by the HSYNC detection mirror, and becomes incident to the PIN diode on the laser drive PWA. Then, the primary scanning synchronizing is formed by detection of the laser light. 1600/2000/2500 PRINTING 8 - 4 December 2000 © TOSHIBA TEC...
Page 150 This control board has the following functions: APC control function (for compensating disparity in the laser intensity caused by temperature) Laser ON/OFF generating function Function for generating synchronizing signals in the primary scanning direction December 2000 © TOSHIBA TEC 8 - 5 1600/2000/2500 PRINTING...
Page 151: Laser Diode
As a result, when the laser power is insufficient, the forward current is increased in the laser driver circuit, and alternatively when the laser power is excessive, the forward current is decreased so that the optical current is constant. 1600/2000/2500 PRINTING 8 - 6 December 2000 © TOSHIBA TEC...
Page 152: Disassembly And Replacement
Laser scanner unit the connector pin when plugging or unplugging the Relay harness connector. Harness Note: When the lens gets dirty, blow away the dirt with the blower. Fig. 8-4-2 December 2000 © TOSHIBA TEC 8 - 7 1600/2000/2500 PRINTING 02/01...
Page 153 PAPER FEEDING SYSTEM ..... 9-1 9.1 General Description .................. 9-1 9.2 Construction....................9-1 9.3 Drive Description ..................9-2 9.3.1 Pickup feed roller, feed roller and registration roller ..... 9-2 9.3.2 Tray lift shaft ................. 9-3 9.4 Description of Operation ................9-4 9.4.1 Tray section ..................
Page 154: Paper Feeding System
Tray-up assembly • Pickup feed roller • Pickup roller • Paper empty sensor • Pickup sensor • Separate roller • Feed sensor • Registration roller • Pinch roller December 2000 © TOSHIBA TEC 9 - 1 1600/2000/2500 PAPER FEEDING SYSTEM...
Page 155: Drive Description
Main drive gear 3 Main drive gear 4 Main drive gear 6 Transmission gear 3 Pickup clutch Pickup feed roller Pickup roller Registration drive gear Registration roller clutch Registration roller 1600/2000/2500 PAPER FEEDING SYSTEM 9 - 2 December 2000 © TOSHIBA TEC...
Page 156: Tray Lift Shaft
The driving force of the tray-up motor is transmitted to the tray lift shaft through each gear of the tray-up assembly to turn the tray lift shaft. Tray-up motor Tray-up gear 1 Tray-up gear 2 Tray-up gear 3 Tray-up gear 4 Tray-up gear 5 Tray lift shaft December 2000 © TOSHIBA TEC 9 - 3 1600/2000/2500 PAPER FEEDING SYSTEM...
Page 157: Description Of Operation
The driving force of the main motor is transmitted to the clutch through each gear of the main drive gear assembly. As the pickup clutch is turned ON, the pickup feed roller turns causing the pickup roller to turn through the belt. 1600/2000/2500 PAPER FEEDING SYSTEM 9 - 4 December 2000 © TOSHIBA TEC...
Page 158: Paper Separation
( ) direction by the feed roller while the bottom sheet is sent in the ( ) direction by the separate roller. December 2000 © TOSHIBA TEC 9 - 5 1600/2000/2500 PAPER FEEDING SYSTEM...
Page 159: Cassette Feeding Operation
ON to the moment when the registration roller clutch is turned ON to make the paper sag, thereby correcting it to be horizontal. 1600/2000/2500 PAPER FEEDING SYSTEM 9 - 6 December 2000 © TOSHIBA TEC...
Page 160: Function Of Each Part
When transporting the paper from the transfer section to the exit roller, the registration roller clutch is turned ON to transmit the power of the main motor to registration roller. December 2000 © TOSHIBA TEC 9 - 7 1600/2000/2500 PAPER FEEDING SYSTEM...
Page 161 The feed sensor detects the transport of the paper by the PU guide assembly. Registration clutch turns ON a fixed time after the feed sensor detects the top of paper. 1600/2000/2500 PAPER FEEDING SYSTEM 9 - 8 December 2000 © TOSHIBA TEC...
Page 162: Tray-Up Motor Drive Circuit
(ON and OFF) based on the signals from the I/O port GA-1. For the control, refer to the table below. Input Output Description M (+) M (-) BRAKE CCW (upward) CW (downward) OFF (high impedance) STOP December 2000 © TOSHIBA TEC 9 - 9 1600/2000/2500 PAPER FEEDING SYSTEM...
Page 163: Disassembly And Replacement
3. Detach rear cover. (See Fig. 2-6-1) 4. Remove 2 screws and release 2 clamps. 5. Detach the relay connector and remove tray-up Tray-up assembly assembly. Screw Clamp Fig. 9-7-3 1600/2000/2500 PAPER FEEDING SYSTEM 9 - 10 December 2000 © TOSHIBA TEC...
Page 164 7. Release timing belt 124 and remove pickup roller shaft assembly. 8. Detach E-ring and remove pulley and clutch. 9. Detach 2 E-rings. Pulley Pickup roller shaft Clutch E-ring Fig. 9-7-7 December 2000 © TOSHIBA TEC 9 - 11 1600/2000/2500 PAPER FEEDING SYSTEM 01/05...
Page 165: Drive System
10. DRIVE SYSTEM ........10-1 10.1 Construction of Drive System ..............10-1 10.2 Description of Operations ................. 10-2 10.2.1 Part A ................... 10-2 10.2.2 Part B ................... 10-3 10.2.3 Part C ................... 10-4 10.3 Disassembly and Replacement ..............10-6 10.4 Main Motor ....................10-12 10.4.1 Main motor drive ................
Page 166: Construction Of Drive System
(Pick up clutch) Cassette feed gear 8 Part C SFB gear Cassette feed gear 6 2nd feed roller (Clutch) PFU gear 10-1-1 PPS2 Fig. 10-1-1 Drive system (Rear side view) December 2000 © TOSHIBA TEC 10 - 1 1600/2000/2500 DRIVE SYSTEM...
Page 167: Description Of Operations
• Exit drive gear 7 ....The driving gear train from the main motor drives exit drive gear 7. When connected to this gear, the OCT or JSP is driven. (Finisher: DP2000/ 2500 series) 1600/2000/2500 DRIVE SYSTEM 10 - 2 December 2000 © TOSHIBA TEC...
Page 168: Part B
• Developer Drive ....The main motor transmits the drive to the developer drive pulley via tim- ing belt 176, causing the developer connected with the coupling to be driven. December 2000 © TOSHIBA TEC 10 - 3 1600/2000/2500 DRIVE SYSTEM...
Page 169: Part C
When connected to this gear, the SFB is driven. • Cassette feed gear 6 ... The driving gear train from the main motor drives cassette feed gear 6. When connected to this gear, the PFU is driven. 1600/2000/2500 DRIVE SYSTEM 10 - 4 December 2000 © TOSHIBA TEC...
Page 170 2nd feed roller drive pulley. There are two systems on the 2nd feed roller drive, only by the gear and by the timing belt. When feeding the paper, the timing belt is used to drive (speed: DP1600 series = 86.9 mm/ sec, DP2000/2500 series = 118 mm/sec). When supplying the paper, the gear is used to drive (speed: DP1600 series = 260 mm/sec, DP2000/ 2500 series = 260 mm/sec).
Page 171: Disassembly And Replacement
13. If an ADU (MD-0101) is attached to the copier, open it. 14. Open side cover. Side cover 030-1 Fig. 10-3-2 15. Remove 2 screws. Screw Drum drive shaft 030-2 Fig. 10-3-3 1600/2000/2500 DRIVE SYSTEM 10 - 6 December 2000 © TOSHIBA TEC...
Page 172 2. Seeing from the gap of the main drive gear cover assembly, confirm that the timing belt is securely installed. Connector 031-2 Fig. 10-3-5 December 2000 © TOSHIBA TEC 10 - 7 1600/2000/2500 DRIVE SYSTEM 01/09...
Page 173 4. Detach rear cover. (See Fig. 2-6-1) 5. Remove PC I/F PWA. (See Fig. 2-6-27) Screw 6. Remove 3 screws to remove the drum drive shaft holder. 031-3 Fig. 10-3-8 1600/2000/2500 DRIVE SYSTEM 10 - 8 December 2000 © TOSHIBA TEC 01/09...
Page 174 Main motor 2. Seeing from the gap of the main drive gear cover assembly, confirm that the tim- Screw ing belt is securely installed. 031-4 Connector Fig. 10-3-9 December 2000 © TOSHIBA TEC 10 - 9 1600/2000/2500 DRIVE SYSTEM...
Page 175 17. Pull out the PU contact harness through the hole Fig. 10-3-11, release 2 tabs, and remove PU Harness guide assembly. PU guide assembly Screw Plate Fig. 10-3-11 1600/2000/2500 DRIVE SYSTEM 10 - 10 December 2000 © TOSHIBA TEC 01/05...
Page 176 6. Detach stop ring, and remove cassette feed gear Registration roller 1, regiatration roller clutch, and regiatration wheel in this order. Registration roller clutch Bushing Cassette feed gear 1 Registration wheel Stop ring Fig. 10-3-14 December 2000 © TOSHIBA TEC 10 - 11 1600/2000/2500 DRIVE SYSTEM 01/05...
Page 177: Main Motor
When the difference in each comparison is then eliminated and the rotation stabilizes, the main motor sends the MMSYNC signal at “Low” level to the I/O port GA-2. 1600/2000/2500 DRIVE SYSTEM 10 - 12 December 2000 © TOSHIBA TEC...
Page 178: Control Signals
ON/OFF control signal for main motor. “Low” level: OFF “High” level: ON (5) MMSYNC signal Detection signal for rotational state. “Low” level: Rotation at constant speed “High” level: Rotation at non-constant speed December 2000 © TOSHIBA TEC 10 - 13 1600/2000/2500 DRIVE SYSTEM...
Page 179 11. DRUM-RELATED SECTION..... 11-1 11.1 General Description .................. 11-1 11.2 Construction....................11-1 11.3 Drive Description ..................11-2 11.4 Function of Each Part ................11-3 11.5 High Voltage Output Control Circuit ............11-4 11.5.1 Outline ..................11-4 11.5.2 Control method................11-4 11.6 Disassembly and Replacement ..............
Page 180: Drum-Related Section
The drum-related section consists of the following parts: • Drum • Discharge LED • Main charger • Transfer charger • Separation charger • Drum shutter • Paper guide assembly • Vacuum fan motor December 2000 © TOSHIBA TEC 11 - 1 1600/2000/2500 DRUM-RELATED SECTION...
Page 181: Drive Description
When the side cover assembly is closed, the lever of the fuser unit is pushed. Then, the lever pushes the rod guide so that the rod guide pulls the shutter link to open the drum shutter. 1600/2000/2500 DRUM-RELATED SECTION 11 - 2 December 2000 © TOSHIBA TEC...
Page 182: Function Of Each Part
Mounted on the process unit, the drum shutter protects the surface of the drum. The drum shutter is opened only when the process unit is installed in the copier and the charger cover assembly is closed. December 2000 © TOSHIBA TEC 11 - 3...
Page 183: High Voltage Output Control Circuit
Charging (Main charger) The I/O port GA-2 (IC6) turns the CCON signal (main charger control signal) to “Low” level. ↓ The HVPS generates constant-current and delivers it to the main charger. 1600/2000/2500 DRUM-RELATED SECTION 11 - 4 December 2000 © TOSHIBA TEC...
Page 184 The I/O port GA-2 (IC6) turns the TCON signal (transfer charger control signal) to “Low” level. ↓ The HVPS generates current based on the voltage value of the TCVR and delivers it to the transfer charger. December 2000 © TOSHIBA TEC 11 - 5 1600/2000/2500 DRUM-RELATED SECTION...
Page 185 High voltage to the paper guide plate/pinch roller is delivered or cut off synchronizing with the timing of the SPON signal (separation charger control signal). When the SPON signal is at “Low” level, the voltage is delivered. 1600/2000/2500 DRUM-RELATED SECTION 11 - 6 December 2000 © TOSHIBA TEC...
Page 186: Disassembly And Replacement
Note: When placing the front and rear protection Charger unit sheets on the charger unit, they do not ex- Front protection sheet 11-6-3 tend from the charger unit. Fig. 11-6-3 December 2000 © TOSHIBA TEC 11 - 7 1600/2000/2500 DRUM-RELATED SECTION...
Page 187 7. Release the spring and detach the separation Spring and transfer charger wires. Transfer charger wire Note: Be careful handling the wires. Spring Wire Separation charger wire 11-6-6 Fig. 11-6-6 1600/2000/2500 DRUM-RELATED SECTION 11 - 8 December 2000 © TOSHIBA TEC...
Page 188: Developer Section
12. DEVELOPER SECTION ......12-1 12.1 General Description .................. 12-1 12.2 Construction....................12-1 12.3 Drive Description ..................12-2 12.4 Function of Each Part ................12-5 12.5 Toner Control Circuit ................. 12-6 12.5.1 Outline ..................12-6 12.5.2 Toner empty detection circuit ............12-6 12.5.3 Toner supply motor ...............
Page 189: General Description
12-02-01 Toner empty sensor The developer section consists of the following parts: • Magnetic roller • Doctor • Agitator • Auger • Toner empty sensor • Toner cartridge auger December 2000 © TOSHIBA TEC 12 - 1 1600/2000/2500 DEVELOPER SECTION...
Page 190: Drive Description
Magnetic roller drive gear 12-03-01 Developer drive gear 3 Auger drive gear Developer drive gear 3 Developer drive gear 8 Developer drive gear 7 12-03-02 Developer drive gear 6 1600/2000/2500 DEVELOPER SECTION 12 - 2 December 2000 © TOSHIBA TEC...
Page 191 Developer drive Agitator drive drive gear gear 4 gear 5 gear Magnetic roller Agitator Developer drive gear 6 Developer drive gear 7 Developer drive gear 8 Auger drive gear Auger December 2000 © TOSHIBA TEC 12 - 3 1600/2000/2500 DEVELOPER SECTION...
Page 192 The toner cartridge auger turns as the driving force of the toner supply motor is transmitted to them through each gear. Toner supply motor Toner supply gear Toner supply coupling Toner cartridge auger 1600/2000/2500 DEVELOPER SECTION 12 - 4 December 2000 © TOSHIBA TEC...
Page 193: Function Of Each Part
This allows the toner cartridge auger to turn and toner to be added to the developer unit from the toner cartridge. December 2000 © TOSHIBA TEC 12 - 5 1600/2000/2500 DEVELOPER SECTION...
Page 194: Toner Control Circuit
“Low” level to the I/O port GA-2 (IC6). ↓ 5) The CPU (IC66) judges the amount of remaining toner by the number of times the level of the TESMON signal becomes low. 1600/2000/2500 DEVELOPER SECTION 12 - 6 December 2000 © TOSHIBA TEC...
Page 195: Toner Supply Motor
• IC5 is turned off → The current which was flowing in the motor winding flows via the route of diode. → It decreases at the rate of the time constant determined by the inductance and resistance of the winding. → the motor stops. December 2000 © TOSHIBA TEC 12 - 7 1600/2000/2500 DEVELOPER SECTION...
Page 196: Disassembly And Replacement
Front cover Side cover Fig. 12-6-2 10. Remove 3 screws and remove DEV. motor as- Screw sembly. DEV. motor assembly Screw Screw White Black Blue or Red Fig. 12-6-3 1600/2000/2500 DEVELOPER UNIT 12 - 8 December 2000 © TOSHIBA TEC 01/02...
Page 197 13. CLEANER SECTION ........ 13-1 13.1 General Description .................. 13-1 13.2 Construction....................13-1 13.3 Drive Description ..................13-2 13.4 Function of Each Part ................13-3...
Page 198 Recovery blade Drum Process unit 13-02-01 Main blade The cleaner section consists of the following parts: • Main blade • Recovery blade • Cleaner paddle • Toner recovery auger December 2000 © TOSHIBA TEC 13 - 1 1600/2000/2500 CLEANER SECTION...
Page 199 The cleaner paddle and toner recovery auger turn as the rotation of the drum is transmitted to them through each gear. Drum Drum gear Cleaner paddle drive gear Cleaner paddle Toner recovery auger gear Toner recovery auger 1600/2000/2500 CLEANER SECTION 13 - 2 December 2000 © TOSHIBA TEC...
Page 200 The cleaner paddle conveys the residual toner collected on the recovery blade to the toner recovery auger. (4) Toner recovery auger Carries scrapped residual toner to the toner bag. (5) Toner bag Stores the scraped residual toner carried by the toner recovery auger. December 2000 © TOSHIBA TEC 13 - 3 1600/2000/2500 CLEANER SECTION...
Page 201 14. FUSER UNIT/EXIT UNIT ......14-1 14.1 General Description .................. 14-1 14.2 Construction....................14-1 14.3 Drive Description ..................14-2 14.4 Description of Operations ................. 14-3 14.4.1 Fuser unit ..................14-3 14.4.2 Exit unit ..................14-3 14.5 Functions of Each Part ................14-4 14.5.1 Fuser unit ..................
Page 202: Fuser Unit/Exit Unit
Cleaner fuser roller • Heater thermistor • Fuser thermostat The exit unit consists of the following parts: • Exit roller • Pinch roller • Exit guide • Exit sensor December 2000 © TOSHIBA TEC 14 - 1 1600/2000/2500 FUSER UNIT/EXIT UNIT...
Page 203: Drive Description
Pressure roller Cleaner fuser roller HR drive gear 1 Exit drive gear 7 Exit drive gear 3 Exit drive gear 2 Exit drive gear 1 Exit roller shaft 1600/2000/2500 FUSER UNIT/EXIT UNIT 14 - 2 December 2000 © TOSHIBA TEC...
Page 204: Description Of Operations
The pinch roller is pressed against the exit roller by the spring so that it is turned by the power of the exit roller. Consequently, the paper is transported by the exit roller and pinch roller. December 2000 © TOSHIBA TEC 14 - 3...
Page 205: Functions Of Each Part
This thermistor controls the temperature so that the heat lamp turns OFF when either of the values detected by the thermistor 1 or thermistor 2 exceeds the tem- perature setting. 1600/2000/2500 FUSER UNIT/EXIT UNIT 14 - 4 December 2000 © TOSHIBA TEC...
Page 206: Paper Exit Unit
(4) Exit guide The exit guide is used as a guide for transporting the paper to the option ADU. December 2000 © TOSHIBA TEC 14 - 5 1600/2000/2500 FUSER UNIT/EXIT UNIT...
Page 207: Heater Control Circuit
2 is 2.72V) continuously for 500 milliseconds or below 40°C (the output voltage of heater thermistor 2 is 0.0702V) continuously for 500 milliseconds, after the Ready state. 1600/2000/2500 FUSER UNIT/EXIT UNIT 14 - 6 December 2000 © TOSHIBA TEC...
Page 208 400 in the 08 mode to check the thermistor/heater status counter, and clear it to “0” if neces- sary. Heat roller surface temperature (DP1600 series): 190°C (Thermistor resistance: 5.90KΩ) Heat roller surface temperature (DP2000/2500 series): 200°C (Thermistor resistance: 5.01KΩ) December 2000 ©...
Page 209 2; i.e. when it detects a temperature of 245°C or over, the heater lamp is set to automatically turn itself OFF, regardless of the temperature on the paper passage areas. 1600/2000/2500 FUSER UNIT/EXIT UNIT 14 - 8 December 2000 © TOSHIBA TEC...
Page 210: Temperature Detection By The Thermistor
• The input voltage is converted to digital data by the A/D converter and output to the register of the system control GA. The CPU reads this value and detects a change in the data to judge if the heat roller temperature is normal or abnormal. December 2000 © TOSHIBA TEC 14 - 9 1600/2000/2500 FUSER UNIT/EXIT UNIT...
Page 211: Disassembly And Replacement
085-1 Fig. 14-7-1-1 Fuser Note: With the DP1600 series, after attaching the fuser unit, confirm the continuity between the screw fixed in the front side and main frame with the multi-meter as shown in right. Screw + terminal...
Page 212 2. Remove 2 screws and open fuser front cover. Screw Fuser front cover Screw 087-1 Fig. 14-7-3 3. Remove the fuser front cover. Fuser front cover 087-2 Fig. 14-7-4 December 2000 © TOSHIBA TEC 14 - 11 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 02/01...
Page 213 1. Remove fuser unit. (See Fig. 14-7-1) 2. Remove the fuser front cover. (See Figs. 14-7- 3 and 14-7-4) 3. Remove 2 screws and detach the housing. Screw Housing Screw Fig. 14-7-6 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 12 December 2000 © TOSHIBA TEC 02/01...
Page 214 (See Fig. 14-7-5 and 14-7-5-2) 6. Remove one screw and detach the spring plate, or detach one screw. Screw 089-2 Spring plate Fig. 14-7-8 Screw Fig. 14-7-8-1 089-3 December 2000 © TOSHIBA TEC 14 - 13 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 02/01...
Page 215 6. Remove 4 screws (A type: for NAD/TWD/SAD models) (B type: for ASD/AUD/CND/MJD A type Btype models) to release the heater cover. Screw Screw Screw 090-3 Fig. 14-7-12 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 14 December 2000 © TOSHIBA TEC 02/01...
Page 216 [G] HR drive gear1/ HR drive gear3 (DP2000/2500 series) 1. Remove fuser unit. (See Fig. 14-7-1) 2. Remove heater thermistor. (See Fig. 14-7-2) 3. Remove the housing assembly. (See Fig. 14-7-7) December 2000 © TOSHIBA TEC 14 - 15 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 02/01...
Page 217 Fig. 14-7-17 detach the heater cover assembly. (DP1600 series) DP2000/2500 series 7. Remove one screw and release the clamp. Screw (DP2000/2500 series) Clamp 093-1 Fig. 14-7-18 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 16 December 2000 © TOSHIBA TEC 02/01...
Page 218 DP2000/2500 series holder. (DP2000/2500 series) NAD/TWD/SAD models 11. Remove the heater lamp. [CAUTION] Never touch the heater lamp with your bare hands. Heater lamp 094-3 Fig. 14-7-21 December 2000 © TOSHIBA TEC 14 - 17 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 02/01...
Page 219 0.1 g of white grease (molycoat HP-300) to HR frame R assembly the stud. 10. Remove the HR frame R assembly, detach press roller and the cleaning roller. Cleaning roller Fig. 14-7-24 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 18 December 2000 © TOSHIBA TEC 02/01...
Page 220 Cleaning roller bushing Press roller bushing 14. Release the spring to remove the cleaning roller Spring bushing. Cleaning roller bushing Press roller bushing Spring 097-1 Fig. 14-7-26 December 2000 © TOSHIBA TEC 14 - 19 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 01/05...
Page 221 10. Remove the C-ring to detach the HR drive gear 2 and the heat roller bushing. HR drive gear 2 Heat roller bushing C-ring Fig. 14-7-28 095-2 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 20 December 2000 © TOSHIBA TEC 01/12...
Page 222 2 bearings. Washer E-ring Screw Bearing E-ring Bearing 097-4 Fig. 14-7-31 15. Release the cleaning roller bushing and remove the cleaning roller. Cleaning roller 097-5 Fig. 14-7-32 December 2000 © TOSHIBA TEC 14 - 21 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 01/12...
Page 223 16. Release the spring and detach the cleaning roller bushing. Cleaning roller bushing Spring 097-6 Fig. 14-7-33 Cleaning roller Spring bushing 097-7 Fig. 14-7-34 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 14 - 22 December 2000 © TOSHIBA TEC 01/05...
Page 224 (See Fig. 2-6-22) 14. Detach inner cover. (See Fig. 2-6-22) 15. Detach the relay connector. 16. Remove 4 screws, release the clamp, and re- move exit unit. December 2000 © TOSHIBA TEC 14 - 23 1600/2000/2500 FUSER UNIT/PAPER EXIT UNIT 01/05...
Page 225: Power Supply Unit
15. POWER SUPPLY UNIT ......15-1 15.1 Outline ...................... 15-1 15.2 DC Output Circuit ..................15-2 15.3 Heater Lamp Drive Circuit................. 15-4 15.4 Dump Heater Power Supply Circuit (ASD/AUD/CND/TWD/SAD models) ............15-4 15.5 Stapler Power Supply Circuit ..............15-4...
Page 226: Outline
1 ( 1 ) Heater lamp Heater lamp 2 HT2ON 10 ( 11 ) control circuit 2 ASD/AUD/CND/MJD models 15-01-01 Values in ( ) are for DP2000/2500 series. Fig. 15-1-1 December 2000 © TOSHIBA TEC 15 - 1 1600/2000/2500 POWER SUPPLY UNIT...
Page 228: Power Supply Sequence
+4.75V 5VPS +22.8V 24V,24VFU1,24VFU2 +22.8V 24VSW 0ms min. 0ms min. ON:H ON:H OFF:L PWS signal Open Close Close Front cover Open Close Close Side cover 15-02-01 Fig. 15-2-1 December 2000 © TOSHIBA TEC 15 - 3 1600/2000/2500 POWER SUPPLY UNIT...
Page 229: Heater Lamp Drive Circuit
15.5 Stapler Power Supply Circuit This circuit supplies AC power to an optionally connected stapler (option). AC power is supplied when the main switch is ON. 1600/2000/2500 POWER SUPPLY UNIT 15 - 4 December 2000 © TOSHIBA TEC...
Page 230 16. BOARD ASSEMBLY......... 16-1 16.1 PWA-F-MAN ..................... 16-1 16.2 PWA-F-RLY ....................16-2 16.3 PWA-F-PIF ....................16-3 16.4 PWA-F-PNL ....................16-4 16.5 PWA-F-VR ....................16-4 16.6 PWA-F-SLG ....................16-5 16.7 PWA-F-FUS (ASD/AUD/CND/TWD/SAD models) ........16-6...
Page 231: Board Assembly
16. BOARD ASSEMBLY 16.1 PWA-F-MAN 16-01-01 December 2000 © TOSHIBA TEC 16 - 1 1600/2000/2500 PC BOARD...
Page 234: Pwa-F-Pnl
16.4 PWA-F-PNL 16-04-01 16.5 PWA-F-VR 16-05-01 1600/2000/2500 PCB BOARD 16 - 4 December 2000 © TOSHIBA TEC...
Page 235: Pwa-F-Slg
Q2 R20 TP16 R119 TP11 R137 TP33 IC8 393 R139 TP34 R138 R136 PCB-CONTROL TP35 TP38 IR4024K501B TP36 TP37 LV14 94V-0 TP39 TW-5 IC14 LV244 TP41 1 34 16-06-01 December 2000 © TOSHIBA TEC 16 - 5 1600/2000/2500 PC BOARD...
Page 236: Pwa-F-Fus (Asd/Aud/Cnd/Twd/Sad Models)
16.7 PWA-F-FUS (ASD/AUD/CND/TWD/SAD models) 16-07-01 1600/2000/2500 PCB BOARD 16 - 6 December 2000 © TOSHIBA TEC...
Page 237 17. WIRE HARNESS CONNECTION DIAGRAMS ..... 17-1...
Page 238 RX1 89 SD4 23 CH02 91 SD8 25 SD10 SG 93 SD12 27 FAXDET SD14 3.3VB 95 PM1OD0 3.3V PM1OD2 -12V 97 +12V 5VPS 99 17-01-01 Fig. 17-1-1 December 2000 © TOSHIBA TEC 17 - 1 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 239 +5V 89 SG 47 5VPS 5VPS 91 SG 49 SG 93 PCDIR 51 NSTROB SG 95 NINIT 53 NSELIN SG 97 BUSY 55 SG 99 17-01-02 Fig. 17-1-2 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 2 December 2000 © TOSHIBA TEC...
Page 240 SWC1 SWC2 SG 23 PWA-F-OTK SWC3 PWRVSLED ( Option ) SWC4 PWRSVKEY 25 SWC5 5VPS SWC6 SWC7 SWC8 SWC9 SWC10 SWC11 SWC12 SWC13 SWC14 17-01-03 Fig. 17-1-3 December 2000 © TOSHIBA TEC 17 - 3 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 241 PIXD9 PIXD9 PIXD11 43 PIXD11 43 PIXD13 PIXD13 PIXD15 45 PIXD15 45 3.3V 3.3V 3.3V 47 3.3V 47 SG 49 SG 49 MEM1DET MEM2DET 17-01-04 Fig. 17-1-4 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 4 December 2000 © TOSHIBA TEC...
Page 242 D14 55 CN17 D10 57 5VPS D6 59 5VPS 5VPS D2 61 A8 63 A4 65 SG 10 AU1SET 67 PSVENA PCIFD6 69 PCIFD4 17-01-05 Fig. 17-1-5 December 2000 © TOSHIBA TEC 17 - 5 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 243 CN169 PWSV 59 LPWR 5VPS 3.3V 61 VIDEOX 3.3V LDENX 3.3V 63 PWA-LDR LSU5V SG 65 -12V HSYNC +12V 67 +5V 69 +5V 70 17-01-06 Fig. 17-1-6 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 6 December 2000 © TOSHIBA TEC...
Page 244 ( 1/2 ) 24VF1 AMPRO ( 3/10 ) 3.3V DOA0 DOA1 DOA2 DOA3 DOA4 DOA5 DOA6 DOA7 ADCK HOME-SEN HPSEN PLSEN ORCOV-SEN +24V SCN-MOT +24V 17-01-07 Fig. 17-1-7 December 2000 © TOSHIBA TEC 17 - 7 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 245 APS-4 CN14 APS-5 SENS5 SENS6 DP1600 series APS-6 LAMP NAD model INV-EXPO-AT EXPO-LAMP-AT DP2000/2500 series LAMP +24V LAMP INV-EXPO-AW EXPO-LAMP-AW LAMP LAMP DP2000/2500 series 17-01-08 Fig. 17-1-8 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 8 December 2000 © TOSHIBA TEC...
Page 246 24VF1 17 24VFU2 CN122 FUS-THM PG 19 24VF2 24VFU1 U900-HL DP2000/2500 series CN122 FUS-THM E500-HL E400-HL CN175 ASD/AUD/CND/MJD models CN44 HEA1-THM ATH1 ATH2 HEA2-THM THCHK 17-01-09 Fig. 17-1-9 December 2000 © TOSHIBA TEC 17 - 9 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 247 ( 5/10 ) CN19 CN190 CN53 DRM-THM DTHA DP1600 series CN29 MMTR-ON MMTR-RFL PLL-OK MD-MOT-AT CN28 CN30 MMTR-ON MD-MOT-AW MMTR-BRK MMTR-RFL PLL-OK MMTR-DIR MMTR-FG DP2000/2500 series 17-01-10 Fig. 17-1-10 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 10 December 2000 © TOSHIBA TEC...
Page 248 +24V LPSON PUCON CN182 LUMON PE-SEN +24V PESON +24V CN180B CN180B +5V 11 PRCON CN183 PU-CLT CN164 T-UP-MOT CN155 RGST-CLT CN38 CN159 CASSETTE CST-SW 17-01-11 Fig. 17-1-11 December 2000 © TOSHIBA TEC 17 - 11 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 249 RETS-1 B6 CN154 CN205 RETS-2 RETS-3 B8 OCF-SEN PFUFD-SW RETS-4 RETS-5 PFUFDCLT RETS-6 +24V RETS-7 SCSW-B B13 CN163 LCFCNT OCF-CLT CN501 CN207 +24V +24V 17-01-12 Fig. 17-1-12 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 12 December 2000 © TOSHIBA TEC...
Page 250 F/SELECT JCONECT 11 FLS1ON 13 JPOSON CN47 PWA-F-RLY Speaker ( 8/10 ) CN50 CN170 FANH POW-FAN FANL FANH FANL CN172 PU-FAN CN52 FRCOV-SW FCOSON 17-01-13 Fig. 17-1-13 December 2000 © TOSHIBA TEC 17 - 13 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 251 PWA-F-IPC D3 23 ( DP2000/2500 series ) ( Option ) D7 25 5IORDX 27 5RESETX +5V 29 IPCDET CN48 24VF2 PWA-F-RLY ( 9/10 ) 17-01-14 Fig. 17-1-14 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS 17 - 14 December 2000 © TOSHIBA TEC...
Page 252 COINVDO2 ( 14/14 ) COINVDO3 COINVDO4 COINVDO5 COINVDO6 COINVDO7 11 COINVDO8 for Coin vendor ( DP2000/2500 series ) CN42 +24V PWA-F-RLY ( 10/10 ) 17-01-15 Fig. 17-1-15 December 2000 © TOSHIBA TEC 17 - 15 1600/2000/2500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 253 18. PAGE MEMORY BOARD......18-1 18.1 Introduction ....................18-1 18.2 Structure ....................18-2 18.2.1 Interfaces ..................18-2 18.2.2 Schematic ..................18-3 18.3 Description of Function ................18-5 18.3.1 Basic functions ................18-5 18.3.2 Editing ..................18-10...
Page 254 (4) Editing : Executes the following processes the image data saved in the page memory. • Makes multi-image copies • Rotates images. December 2000 © TOSHIBA TEC 18 - 1 1600/2000/2500 PAGE MEMORY BOARD...
Page 255 (3) Printer interface Image data in page memory are output to the laser controllers in the digital copier’s printer by the external interface of the digital copier relay processor. 1600/2000/2500 PAGE MEMORY BOARD 18 - 2 December 2000 © TOSHIBA TEC...
Page 256 4096 cycle/64mS The page memory board is provided with two slots for mounting the main PC Board. Adding on this memory board increases the memory to 128 MB. December 2000 © TOSHIBA TEC 18 - 3 1600/2000/2500 PAGE MEMORY BOARD...
Page 257 This LSI executes the following operations: • Compressions image data on the page memory, and forms coded data. • Decompresses the coding data compressed on the page memory to restore the image data. 1600/2000/2500 PAGE MEMORY BOARD 18 - 4 December 2000 © TOSHIBA TEC...
Page 258 The following describes an example of execution process where alternation and sorting have been specified when marking multi-copies. Execution process (Basic function) Input process Input Memory Scanner module Output process Output Memory Printer module PM: Page Memory December 2000 © TOSHIBA TEC 18 - 5 1600/2000/2500 PAGE MEMORY BOARD...
Page 259 Input process Input Compression Image Memory memory Scanner CODEC module module Decompression process Decompression Output Image Memory memory CODEC Printer module module Roation PM: Page Memory IM: Image Memory 1600/2000/2500 PAGE MEMORY BOARD 18 - 6 December 2000 © TOSHIBA TEC...
Page 260 Stored in image memory decompressed Image data decompressed Even-numbered copies only rotated 1 sheet printed 1 sheet printed Final original of nth copy printed? 1st copy 2nd copy 3rd copy December 2000 © TOSHIBA TEC 18 - 7 1600/2000/2500 PAGE MEMORY BOARD...
Page 261 CODEC CODEC module module module 2in 1 4in 1 bind Decompression process Decompression Output Image Memory memory CODEC Printer module module Rotation PM: Page Memory IM: Image Memory 1600/2000/2500 PAGE MEMORY BOARD 18 - 8 December 2000 © TOSHIBA TEC...
Page 262 ADU: (B) Page 4 and 5 are decompressed Printed on copy (B) rear side and stored as 1 page. 8 single-sided originals Printed state Reversal of printed sate December 2000 © TOSHIBA TEC 18 - 9 1600/2000/2500 PAGE MEMORY BOARD...
Page 263 (180 deg. rotation) 4in 1 copy Using the ADF Output of the ADF Sub scanning Sub scanning Sub scanning Main scanning Main scanning Main scanning (Normal) (180 deg. rotation) 1600/2000/2500 PAGE MEMORY BOARD 18 - 10 December 2000 © TOSHIBA TEC...
Page 264 1-1, KANDA NISHIKI-CHO, CHIYODA-KU, TOKYO, 101-8842 JAPAN...

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