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Toshiba MY-1015, Руководство по обслуживанию

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Toshiba MY-1015 Скачать руководство пользователя страница 17

MY-1015 DISASSEMBLY AND REPLACEMENT

6 - 2

October 2000 © TOSHIBA TEC

[E] PFU open cover

1. Detach PFU right cover F. (See Fig. 6-2)

2. Release 2 hooks and detach PFU switch cover.

Fig. 6-5

3. Release 2 hook, detach one connector, and re-

move PFU open cover switch.

Fig. 6-6

4. Remove one screw, release bracket hook F, and

detach PFU open cover.

Fig. 6-7

[F] PFU left cover R

1. Detach PFU rear cover. (See Fig. 6-1)

2. Release 5 hooks and detach PFU left cover R.

Fig. 6-8

PFU switch cover

Hook

Connector

PFU open cover switch

Hook

PFU open cover

Screw

Bracket hook F

Hook

Hook

PFU left
cover R

197

198

199

200

Содержание MY-1015

Страница 1: ...PAPER FEED UNIT MY 1015 File No 31100016 ...

Страница 2: ...asically the machine should not be operated with any parts removed or disassembled 7 Delicate parts for preventing safety hazard problems such as breakers thermofuses fuses door switches sensors etc if any should be handled installed adjusted correctly 8 Use suitable measuring instruments and tools 9 During servicing or maintenance work be sure to check the serial No plate and other cautionary lab...

Страница 3: ... 1 3 1 General Operation 3 1 3 2 Block Diagram 3 1 3 3 Detection of Abnormal Status 3 2 3 3 1 Cover open Close detection 3 2 3 3 2 Paper empty detection 3 2 3 3 3 Paper jam detection 3 2 3 3 4 Tray up motor failure 3 2 3 4 Flow Charts 3 3 4 MECHANICAL DESCRIPTION 4 1 4 1 Paper Feed System 4 1 4 2 Drive System 4 2 5 CIRCUIT DESCRIPTION 5 1 5 1 Meaning of Signals 5 1 5 2 Timing Chart 5 2 6 DISASSEMB...

Страница 4: ...Single cassette front loading Paper Size A3 to A5 R LD to ST R Thickness Normal paper 64 to 80g m2 17 to 21 lbs Transport speed 258 18 mm sec Cassette capacity Paper height 60 5 mm Approx 550 sheets Dimensions 530 W x 536 D x 112 H mm Weight Approx 7 7 kg Power supply 5VDC 24VDC Supplied from copier ...

Страница 5: ...October 2000 TOSHIBA TEC 2 1 MY 1015 OUTLINE 2 OUTLINE 2 1 Names of Various Components PFU 02 01 01 Cassette tray PFU open cover Paper cassette ...

Страница 6: ...tch 2T UP MOT PFU tray up motor Symbols and functions of various devices Function Detects the open close state of the cover during jam processing etc Detects the open close state of the cassette Detects the lift up of the tray Detects the presence or absence of paper placed in the PFU cassette Detects a paper near empty state of the PFU cassette option Transmits driving force to the rollers to pic...

Страница 7: ...6 24V PFUPCLT A7 A8 VDD A9 A10 SIZPFU1 1 2 3 4 5 6 7 8 9 10 GND A11 B1 PFUCNT NC B2 B4 GND B3 SIZUPFU0 11 12 CN316A CN316B B5 PFUCOV GND B6 B7 NC PFUTRM A B8 B10 NC B11 GND B9 PFUTRM B 7 6 5 4 3 2 1 6 5 4 3 1 2 1 2 3 4 5 6 7 1 2 3 4 6 5 CN205 PFUFD SW GND 1 2 PFUFDCLT VDD 3 4 1 2 3 4 CN165 3 2 1 1 2 3 CN317 2 1 1 2 24V 5 PFU pickup clutch 3 2 1 PFU paper near empty sensor CN344 3 2 1 3 2 1 2nd fee...

Страница 8: ...his unit has no PWA and its transport operation and detection are performed through the PFC PWA 3 2 Block Diagram PFUTRM A B CN208 PFU PFC PWA PFUPEMP PFU paper empty sensor PFU pickup sensor PFU pickup clutch PFU cassette switch PFU cover open switch PFUTUP SIZEPFU0 PFUCOV PFUPCLT PFU tray up motor M PFU 03 02 01 The PFU consists of the paper feed cassette four sensors one magnetic clutch and one...

Страница 9: ...er jam detection The PFU itself has no feed sensor but installation of the PFU allows the sensor 2nd cassette feed sensor on the copier side to be effective When transporting the paper if the 2nd cassette feed sensor does not detect the passing of paper or the paper is left detected for a fixed time the program will judge it to be paper jamming and stop the operation The error state is reset by op...

Страница 10: ...ing Exposure lamp ON Stop of carriage Advance of carriage White shading Scanning of document Stop of carriage Exposure lamp OFF Retraction of carriage Stop of carriage End of process system control Polygon motor OFF Laser ON Transfer bias ON Transfer guide bias ON Laser OFF Transfer bias OFF Transfer guide bias OFF NG Paper jam E14 NO Service call C01 YES Polygon motor OK NO Service call CA1 OK 2n...

Страница 11: ... 2000 TOSHIBA TEC Charge bias OFF Main motor OFF Development bias OFF Separation bias OFF Discharge lamp OFF Power supply unit fan motor low speed rotation Standby OK Exit sensor check 1 A NG Paper jam E01 OK Exit sensor check 2 NG Paper jam E02 ...

Страница 12: ...utch is turned ON to transport the paper the feed roller and pickup roller turn and the pickup roller begins to pick up the paper When picked up the paper is transported by the feed roller and pulled into the transport path on the copier side The separate roller prevents the multi feed of paper and contains a spring clutch The roller separates sheets of paper to prevent the feeding of multiple she...

Страница 13: ...en picking up the paper it turns ON to transmit the driving force to the feed roller and pickup roller through the shaft and belt When the pickup roller turns the paper is picked up from the cassette and brought to the transport path The tray up operation is performed by the PFU tray up motor Consisting of the DC motor worm gear gear coupling etc the PFU tray up motor is housed within a case as a ...

Страница 14: ...High level PFU pickup clutch is an operation signal for the feed clutch and drives the magnetic clutch Driving force is transmitted to the pickup roller when the signal is at Low level The PFU tray up motor lifts the tray of the cassette The combination of the two signals permits setting of lifting braking and OFF Signal Name PFUCOV SIZPFU0 PFUTUP PFUPEMP PFUPCLT PFUTRM A B Part Name PFU cover ope...

Страница 15: ...TOSHIBA TEC 5 2 Timing Chart PFU pickup clutch Option cassette feed clutch Option cassette feed sensor Feed sensor 350ms 20ms 810ms 340ms 750ms 1 88s 2 67s PFU 05 02 01 The values are data reference values applicable when the A4 size paper is used ...

Страница 16: ...remove 2 screws and detach PFU right cover F Fig 6 2 C PFU right cover R 1 Remove 2 screws and detach PFU right cover R Fig 6 3 D PFU blind cover Note This cover cannot be used with PFP 1 in stalled 1 Detach PFU right cover R See Fig 6 3 2 Release 2 hooks and detach PFU blind cover Fig 6 4 PFU right cover Screw Hook Hook PFU open cover Screw PFU right cover F PFU right cover R Screw PFU blind cove...

Страница 17: ...ook detach one connector and re move PFU open cover switch Fig 6 6 4 Remove one screw release bracket hook F and detach PFU open cover Fig 6 7 F PFU left cover R 1 Detach PFU rear cover See Fig 6 1 2 Release 5 hooks and detach PFU left cover R Fig 6 8 PFU switch cover Hook Connector PFU open cover switch Hook PFU open cover Screw Bracket hook F Hook Hook PFU left cover R 197 198 199 200 ...

Страница 18: ...f the copier Fig 6 9 3 Remove 17 screws and detach rear cover Fig 6 10 4 Detach 3 harnesses from PFC PWA CN206 CN207 CN208 5 Remove one screw and detach the ground wire from the copier Fig 6 11 6 Remove 2 screws and remove fixing plate R Fig 6 12 Paper cassette Rear cover Screw Screw Screw Screw Ground wire PFC PWA CN206 CN207 CN208 Fixing plate R Screw 201 202 203 204 ...

Страница 19: ... PFU rear cover See Fig 6 1 11 Detach PFU left cover R See Fig 6 8 12 Remove 10 screws release 10 tabs and de tach PFU left cover Fig 6 15 H Tray up assembly 1 Detach PFU rear cover See Fig 6 1 2 Remove paper cassette of PFU See Fig 6 9 3 Remove 2 screws detach the relay connector and remove tray up assembly Fig 6 16 Screw Screw Fixing plate F Copier PFU Screw Screw Screw Screw PFU left cover Conn...

Страница 20: ... Remove one screw and remove PF separate holder assembly Fig 6 19 4 Pull up and take out separate roller lever 5 Remove arbor F draw out shaft and remove separate roller separate spring arbor R and spring cover in this order Notes 1 To detach attach the separate roller from to the separate spring rotate the sepa rate roller in the direction of the arrow 2 Since the separate spring is coated with o...

Страница 21: ...and remove pickup feed roller Fig 6 21 L Pickup roller 1 Remove paper cassette of PFU and paper cas sette of the copier See Fig 6 9 2 Remove PF pickup assembly See Fig 6 18 3 Release the two hooks 4 Release the timing belt and remove the pickup roller shaft assembly Fig 6 22 5 Detach the E ring and remove pickup roller gear and clutch Fig 6 23 Stop ring Pickup feed roller Clutch Pickup roller shaf...

Страница 22: ...1 1 KANDA NISHIKI CHO CHIYODA KU TOKYO 101 8842 JAPAN ...

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