EP0550033B1 - Dispositif de sélection de panier de papier dans une imprimante - Google Patents

Dispositif de sélection de panier de papier dans une imprimante Download PDF

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Publication number
EP0550033B1
EP0550033B1 EP92121997A EP92121997A EP0550033B1 EP 0550033 B1 EP0550033 B1 EP 0550033B1 EP 92121997 A EP92121997 A EP 92121997A EP 92121997 A EP92121997 A EP 92121997A EP 0550033 B1 EP0550033 B1 EP 0550033B1
Authority
EP
European Patent Office
Prior art keywords
printing apparatus
tray
password
printing
unlock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92121997A
Other languages
German (de)
English (en)
Other versions
EP0550033A3 (fr
EP0550033A2 (fr
Inventor
Shigeru C/O Seiko Epson Corporation Sawada
Kazuhiko C/O Seiko Epson Corporation Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP35624491A external-priority patent/JPH05169745A/ja
Priority claimed from JP3359947A external-priority patent/JPH05177911A/ja
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to DE9219079U priority Critical patent/DE9219079U1/de
Publication of EP0550033A2 publication Critical patent/EP0550033A2/fr
Publication of EP0550033A3 publication Critical patent/EP0550033A3/fr
Application granted granted Critical
Publication of EP0550033B1 publication Critical patent/EP0550033B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/58—Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0009—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material
    • B41J13/0036—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material in the output section of automatic paper handling systems

Definitions

  • the present invention relates to a printing apparatus.
  • a laser printer such as a page printer having a high-speed printing performance has been connected to a plurality of word processors or personal computers through a network so that the printer can commonly be used.
  • a prior art apparatus of EP-A-0 241 273 discloses the features contained in the preamble of claim 1.
  • an object of the present invention is to provide a laser printer capable of stacking printed documents while preserving a secrecy of the documents.
  • the invention provides a printing apparatus suitable for printing print data supplied from word processors or personal computers connected to one another through a network system. More particularly, according to a specific aspect, the invention provides a laser printer so called as a page printer connected onto a network system, having a secrecy preserving structure.
  • Another aspect of the invention is to provide a laser printer which can sort printed documents into compartments if required while preserving a secrecy.
  • a laser printer connected onto a network which, according to the present invention, includes a housing body accommodating therein a printing mechanism having an electrophotograph system, a plurality of trays arranged vertically on an upper portion of the housing body, a locking structure for locking at least one of the trays to the housing body, means for changing a paper feeding path of printed papers which are fed out of the printing mechanism to connect to the locked tray when a secret preservation command is supplied, and means for comparing a password input from the outside with a password which is previously recorded in the printer and releasing the locking mechanism if the input password coincides with the recorded password.
  • the printing operation can be carried out with releasing the locking mechanism and printed documents are stacked on a plurality of trays after being sorted into compartments.
  • the locking mechanism locks one of trays and the paper feeding path is changed to connect to the locked tray before printing. In this condition, the secret documents are fed out on the locked tray from which the stacked papers can be taken out after being unlocked.
  • the locking mechanism locks a tray and the paper feeding path is changed to connect to the locked tray before printing.
  • the secret documents can be taken out only when the locking mechanism is released by inputting a correct password or by using another unlocking system only available to a specific person.
  • Fig. 1A is a schematic perspective view showing a laser printer according to a first embodiment of the present invention
  • Fig. 1B shows a drawer applicable to the laser printer shown in Fig. 1A
  • Fig. 2A is a sectional view showing essential portion of the laser printer according to the first embodiment of the invention where a gate member is open
  • Fig. 2B is a sectional view of the laser printer where the gate member is operated.
  • the laser printer is provided with a housing body 1 accommodating therein a printing mechanism.
  • the housing body 1 houses therein the printing mechanism capable of printing recording sheets by means of an electrostatography system having a photosensitive drum 2 and transferring unit 3 and the like.
  • the printing mechanism forms latent on the photosensitive drum 2 by a laser beam in accordance with printing data supplied from a host apparatus such as a host computer connected onto the network, transfers a toner image to a recording sheet, and feeds the sheet out to a fixing unit 4 disposed at an upper side of the drum 2 to thereby fix the image onto the sheet by heat.
  • a cassette 5 for stocking printing papers P is provided at a lower side of the housing body 1, and a single recording sheet taken out of the papers P by a sheet feeding roller 6 is conveyed to the photosensitive drum 2 through a paper guide 7.
  • the housing body 1 further includes a first and second trays 9 and 10 arranged vertically at an upper portion of the body 1.
  • the first tray 9 is open to upper side and front side (left side in the figures), while the second tray 10 has an opening 10a at a front side thereof in which a drawer 11 is inserted.
  • a couple of feed-out rollers 12, 13 are disposed at a rear end (right side in the figures) of the first and second trays 9 and 10, respectively, for feeding the recording sheet fed out of a paper feed-out mechanism 15 (described later).
  • the gate member 17 is disposed in a room facing the second tray 10 which is shielded at a periphery thereof by the housing body 1. Accordingly, a recording sheet which has been printed is selectively guided to either one of the first tray 9 or second tray 10.
  • the drawer 11 is inserted in the second tray 10 and has a structure wherein the opening 10a can be locked to be closed state while the drawer 11 is inserted in the second tray 10.
  • the drawer 11 has a concave portion 19 which is engageable with a locking mechanism 18 disposed on the housing body 1.
  • the housing body 1 is further provided with guide plates 20 and 21 for guiding the recording sheet to the trays.
  • a single recording sheet is taken out of the lower cassette 5 by the paper feeding roller 6, conveyed to the photosensitive drum 2 where a toner image is transferred to the sheet, and further fed to the fixing unit 4 where the transferred toner image is fixed.
  • the recording sheet is conveyed to the upper end portion of the paper feed-out mechanism 15 and then fed out into the first tray 9 by the paper feed-out roller 12 disposed at the upper end portion of the mechanism 15.
  • a drive signal is applied to the electromagnetic drive means 16 so that the gate member 17 rotates to locate on a paper feeding path as shown in Fig. 2B.
  • the recording sheet fed out of the fixing unit 4 is guided by the gate member 17 and the guide plate 21 to the paper feeding roller 13 so that the sheet is fed out to the second tray 10. Accordingly, the two different documents can properly be stacked in the respective first and second trays.
  • the drawer 11 is inserted in the second tray 10, the second tray 10 is locked to the housing body 1 by operating the locking mechanism 18, and the gate member 17 is pivotally rotated to locate on the paper feeding path as shown in Fig. 2B. If the printing operation is finished in this condition, the recording sheet fed out of the fixing unit 4 is guided by the gate member 17 to the second tray 10 and stacked in the drawer 11 which is inserted in the second tray 10. By this operation, the secret document can be stored in the tray while being shielded at a periphery thereof, that is, while preserving secrecy of the document to thereby prevent the secret document from being observed undesirably by the other people.
  • the subject document can be taken out by releasing the locking mechanism 18 by a key or the like to draw the drawer 11 from the tray 10.
  • the drawer 11 can be inserted in the dray 10 and the drawer 11 is locked.
  • a door 20a is provided at the opening 10a of the second tray 10, which is locked to the housing body 1 by the locking mechanism 18 which is operable with a key. This arrangement also performs similar function to the first embodiment described above.
  • the locking mechanism 18 and the gate member 17 are independently operated.
  • a detector for detecting whether the tray is locked may be provided and the electromagnetic drive member 16 is operated by an output signal of the detector to thereby automatically drive the gate member 17 to rotate to locate on the paper path at the same time when the tray is locked.
  • the second lower tray 10 can be closed according to the first embodiment.
  • the first upper tray may also be shielded by a top plate whereas a drawer may be inserted in the upper tray or the upper tray may have a door, and these member may be locked.
  • Fig. 4 is a schematic perspective view showing a laser printer according to a second embodiment of the present invention.
  • Fig. 5A is a sectional view showing essential components of the laser printer according to the second embodiment of the invention where a gate member is open
  • Fig. 5B is a sectional view of the laser printer where the gate member is operated.
  • like parts and components are designated by the same reference numerals as those of the first embodiment shown in Figs. 1 and 2 described above.
  • the second embodiment has a fundamentally similar structure to that of the first embodiment, the description will merely be made with reference to the different parts.
  • a locking mechanism 118 is provided with a solenoid 118a operated by an electrical signal supplied from a control device 30 described later and a rod member 118b which moves back and forth by an actuation of the solenoid 118a.
  • the rod member 118b comes into engagement with a concave portion 119 formed on the drawer 11 to lock the drawer with respect to the housing body 1 while the solenoid 118a is not actuated.
  • the housing body 1 is provided with a panel arranging thereon a lock/unlock key 40, a tenkey 41 and a display device 42, which are operated for controlling the locking mechanism 118.
  • the control device 30 is constituted by a microcomputer and outputs a signal to release a locked state of the locking mechanism 118 only when a password input from the tenkey 41 on the panel coincides with that previously recorded.
  • Fig. 6 is a block diagram for explaining a function of the microcomputer constituting the control device 30 for controlling the lock and unlock operations.
  • the microcomputer is provided with a lock/unlock judgement device 31 for judging whether a lock or unlock command is received from a host computer connected on the network or from the lock/unlock key 40 disposed on the panel, performing the lock operation by a locking device actuating device 32 when the lock command is received from the host computer, and extracting a password from a signal supplied from the host computer.
  • the microcomputer is further provided with a password output device 33 for converting input signal from the tenkey 41 of the panel into a password, a store/compare device 35 for storing the password extracted by the lock/unlock judgement device 31 in a password storage device 34, comparing the password input by depressing the lock/unlock key 40 after finishing the printing operation with the password stored in the password storage device 34, and releasing the locked condition by actuating the solenoid 118a through the locking device actuating device 32 if it is judged that these passwords coincide with each other, and a paper feeding path changing device 37 for changing the paper feeding path toward the second tray 110 by actuating the solenoid 16 when the lock command is supplied.
  • a password output device 33 for converting input signal from the tenkey 41 of the panel into a password
  • a store/compare device 35 for storing the password extracted by the lock/unlock judgement device 31 in a password storage device 34, comparing the password input by depressing the lock/unlock key 40 after finishing the printing operation with the
  • the host computer outputs a lock command for selecting the second lockable tray 10.
  • the gate member 17 is rotated to locate on the paper feeding path to thereby feed the recorded sheets conveyed from the printing mechanism to the second tray 110.
  • the lock/unlock judgement device 31 detects the password and stores it in the password storage device 34 through the store/compare device 35.
  • the printed sheet fed out of the fixing unit 4 is guided by the gate member 17 and the guide plate 21 to the second tray 110 and stacked in the drawer 11 inserted in the tray 10. Accordingly, the secret documents can be stored in the tray while being shielded at a periphery thereof, that is, while preserving secrecy of the document to thereby prevent the secret document from being observed undesirably by the other people.
  • the display device 42 When the lock/unlock key 40 is depressed after finishing the printing operation the display device 42 indicates a message for inputting a password, and an operator inputs from the tenkey 41 the password which should be the same as that inputted before the printing.
  • the code of the key-in signal is output as a password through the password outputs device 33 to the store/compare device 35 where the input password is compared with that which is previously stored in the password storage device 34 before the printing operation. If the store/compare device 35 judges that the input password is correct then the solenoid 118a is actuated by the locking device actuating device 32 so that the locking condition of the tray 10 is released. After that, the operator can pick up the documents from the drawer 11.
  • one of the trays is always locked.
  • the locking operation may be performed in accordance with a lock command supplied from the host computer or a key input from the panel before the printing operation and, at the same time, a password may be allowed to be recorded.
  • a password is recorded every time when the printing operation is carried out to preserve secrecies of the documents for a plurality of operators in the above embodiments, a single password may always be stored to thereby eliminate the bothersome password recording operation every time of the printing.
  • the drawer 11 can be inserted in the second dray 110 and locked.
  • a door 120 is provided at the opening 110a of the second tray 110, which is locked to the housing body 1 by a locking mechanism 118b which is operable with a key. This arrangement also performs similar function to the second embodiment described above.
  • a laser printer includes a housing body accommodating therein a printing mechanism of an electro-photograph system, a plurality of trays arranged vertically on an upper portion of the housing body, a locking structure for locking at least one of the trays to the housing body, and means for changing a paper feeding path for printed papers. Therefore, the secret documents are fed out to the locked tray thereby preventing the documents from being observed by the other person, whereas the normal documents can be stacked on a plurality of trays with sorting into compartments.

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Pile Receivers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper Feeding For Electrophotography (AREA)

Claims (16)

  1. Appareil d'impression comportant :
    un corps de boîtier (1),
    un mécanisme d'impression (2, 3, 4),
    des moyens (6, 7) destinés à avancer du papier d'impression (P) vers le mécanisme d'impression,
    plusieurs plateaux (9, 10; 110) destinés à empiler des feuilles imprimées par ledit mécanisme d'impression (2, 3, 4),
    un passage d'avance du papier (15) destiné à avancer les feuilles imprimées vers lesdits plateaux (9, 10; 110),
    des moyens (16, 17) destinés à modifier de manière sélective ledit passage d'avance du papier vers l'un desdits plateaux (9, 10; 110),
    des moyens (18; 118) destinés à bloquer au moins un desdits plateaux (10; 110);
    des moyens de commande (30) destinés à commander lesdits moyens de blocage (18; 118) en fonction d'un signal provenant d'un appareil hôte relié à l'appareil d'impression; et
    des moyens d'actionnement (40, 41, 42) disposés de préférence sur une surface dudit corps de boîtier (1) afin d'actionner lesdits moyens de blocage (18; 118),
    lesdits moyens de commande (30) comportant
    des moyens destinés à commander lesdits moyens de changement de passage d'avance du papier (16);
    des moyens de sortie de mot de passe (33) destinés à convertir le signal d'entrée desdits moyens d'actionnement (40, 41) en un premier mot de passe;
    des moyens de décision de blocage/déblocage (31) destinés à estimer si une commande de blocage ou de déblocage est reçue de l'hôte relié au réseau, lesdits moyens de décision de blocage/déblocage (31) commandant lesdits moyens de changement de passage d'avance du papier (37) vers un plateau sélectionné;
    caractérisé en ce que lesdits moyens de décision de blocage/déblocage extraient un deuxième mot de passe d'un signal délivré par l'appareil hôte; et lesdits moyens de commande (30) comportent en outre des moyens de stockage de mot de passe (34) destinés à stocker ledit deuxième mot de passe délivré par lesdits moyens de décision de blocage/déblocage;
    des moyens destinés à comparer ledit premier mot de passe avec ledit deuxième mot de passe stocké dans les moyens de stockage de mot de passe (34), lesdits moyens de comparaison (35) actionnant les moyens d'actionnement de dispositif de blocage (32) afin de débloquer lesdits moyens de blocage (18; 118) lorsque ledit premier mot de passe coïncide avec ledit deuxième mot de passe.
  2. Appareil d'impression selon la revendication 1, dans lequel ledit corps de boîtier (1) comporte une cassette (5) afin d'empiler des papiers d'impression et/ou dans lequel ledit passage d'avance de papier est disposé à l'intérieur dudit corps de boîtier (1).
  3. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel ladite multiplicité de plateaux comporte un premier plateau (9) et un deuxième plateau (10; 110).
  4. Appareil d'impression selon la revendication 3, dans lequel lesdits moyens de décision de blocage/déblocage (31) commandent lesdits moyens de changement de passage d'avance du papier (37) vers ledit deuxième plateau (10; 110).
  5. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de changement (16, 17) comportent des moyens de trappe (17) destinés à guider la feuille imprimée vers ledit deuxième plateau (10; 110), et des moyens (16) destinés à faire tourner lesdits moyens de trappe (17).
  6. Appareil d'impression selon la revendication 5, dans lequel lesdits moyens de rotation de moyens de trappe (17) comportent des moyens électromagnétiques (16).
  7. Appareil d'impression selon la revendication 6, dans lequel lesdits moyens électromagnétiques comportent un électroaimant (16).
  8. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de blocage (118) comportent :
    un élément concave (119) prévu sur ledit deuxième plateau (110);
    un élément de tige (118b) destiné à engager ledit élément concave (119); et
    des moyens (118a) destinés à commander ledit élément de tige (118b).
  9. Appareil d'impression selon la revendication 8, dans lequel lesdits moyens d'entraînement d'élément de tige (118a) comportent des moyens électromagnétiques, de préférence un électro-aimant.
  10. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de commande (30) comportent un microcalculateur.
  11. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de commande (30) comportent des moyens d'actionnement comportant une touche de blocage/déblocage (40) et un clavier à 10 touches (41).
  12. Appareil d'impression selon la revendication 5 et selon l'une quelconque des revendications précédentes rattachées à la revendication 5, comportant en outre des moyens destinés à détecter un état bloqué dudit plateau choisi, de préférence le deuxième plateau (10; 110), lesdits moyens de détection produisant un signal de sortie afin d'actionner lesdits moyens de rotation de trappe (16) de façon à faire tourner lesdits moyens de trappe (17).
  13. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel ledit plateau choisi (10; 110) est protégé par une plaque supérieure, et un tiroir (11) est inséré dans ledit plateau, ledit tiroir (11) étant bloqué de manière sélective.
  14. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel ledit appareil d'impression est une imprimante laser d'un type électrophotographique.
  15. Appareil d'impression selon la revendication 14, dans lequel l'imprimante laser est une imprimante page par page.
  16. Appareil d'impression selon l'une quelconque des revendications précédentes, dans lequel ledit appareil d'impression peut être relié à un système de réseau.
EP92121997A 1991-12-24 1992-12-24 Dispositif de sélection de panier de papier dans une imprimante Expired - Lifetime EP0550033B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9219079U DE9219079U1 (de) 1991-12-24 1992-12-24 Papierfachauswahlvorrichtung in einem Drucker

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP356244/91 1991-12-24
JP35624491A JPH05169745A (ja) 1991-12-24 1991-12-24 ページプリンタ
JP3359947A JPH05177911A (ja) 1991-12-27 1991-12-27 ペ−ジプリンタ
JP359947/91 1991-12-27

Publications (3)

Publication Number Publication Date
EP0550033A2 EP0550033A2 (fr) 1993-07-07
EP0550033A3 EP0550033A3 (fr) 1993-08-04
EP0550033B1 true EP0550033B1 (fr) 1997-04-02

Family

ID=26580402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121997A Expired - Lifetime EP0550033B1 (fr) 1991-12-24 1992-12-24 Dispositif de sélection de panier de papier dans une imprimante

Country Status (4)

Country Link
EP (1) EP0550033B1 (fr)
DE (1) DE69218748T2 (fr)
HK (1) HK1006557A1 (fr)
SG (1) SG52343A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2098101T3 (es) * 1993-04-27 1997-04-16 Xerox Corp Sistema de encasillado para alimentar hojas procedentes de un dispositivo de salida a casillas de buzon seleccionadas.
US6917765B2 (en) 2002-03-21 2005-07-12 Hewlett-Packard Development Company, L.P. Imaging device access control apparatus
CN108215534B (zh) * 2017-12-29 2024-05-14 武汉鑫锐辰工程技术有限公司 一种隐私保密打印机
US11310385B1 (en) 2021-03-01 2022-04-19 Xerox Corporation Portable cassette locker for document handler

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470356A (en) * 1982-02-09 1984-09-11 Datapoint Corporation Word processor-controlled printer output bin lock box

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3021504C2 (de) * 1980-06-07 1983-05-05 Ibm Deutschland Gmbh, 7000 Stuttgart Zugangsgesichertes Kopiergerät
DE3508502A1 (de) * 1985-03-09 1986-09-25 Olympia AG, 2940 Wilhelmshaven Drucker mit einer einzelblattzufuehr- und einer ablagevorrichtung mit sortierfaechern
JPS62259963A (ja) * 1986-04-11 1987-11-12 ゼロツクス　コ−ポレ−シヨン 接近を制限された複写機の文書容器
SE464215B (sv) * 1989-06-21 1991-03-18 Lundblad Leif Anordning foer mottagning av meddelanden
DE3926402A1 (de) * 1989-08-10 1991-02-14 Seefluth Uwe Christian Fernkopiergeraet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470356A (en) * 1982-02-09 1984-09-11 Datapoint Corporation Word processor-controlled printer output bin lock box

Also Published As

Publication number Publication date
EP0550033A3 (fr) 1993-08-04
DE69218748D1 (de) 1997-05-07
DE69218748T2 (de) 1997-10-09
EP0550033A2 (fr) 1993-07-07
SG52343A1 (en) 1998-09-28
HK1006557A1 (en) 1999-03-05

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