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EP0661164A2 - Procédé de fonctionnement d'une imprimante - Google Patents

Procédé de fonctionnement d'une imprimante Download PDF

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Publication number
EP0661164A2
EP0661164A2 EP94119945A EP94119945A EP0661164A2 EP 0661164 A2 EP0661164 A2 EP 0661164A2 EP 94119945 A EP94119945 A EP 94119945A EP 94119945 A EP94119945 A EP 94119945A EP 0661164 A2 EP0661164 A2 EP 0661164A2
Authority
EP
European Patent Office
Prior art keywords
paper web
feed
paper
sensor
printer
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.)
Withdrawn
Application number
EP94119945A
Other languages
German (de)
English (en)
Other versions
EP0661164A3 (fr
Inventor
Klaus Brandenburg
Klaus-Peter Kluge
Kurt-Hermann Richter
Wendelin Weber
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.)
PSI Printer Systems International GmbH
Original Assignee
PSI Printer Systems International GmbH
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
Application filed by PSI Printer Systems International GmbH filed Critical PSI Printer Systems International GmbH
Publication of EP0661164A2 publication Critical patent/EP0661164A2/fr
Publication of EP0661164A3 publication Critical patent/EP0661164A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/20—Advancing webs by web-penetrating means, e.g. pins
    • 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
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • 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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/18—Multiple web-feeding apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/51—Sequence of process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello

Definitions

  • the invention relates to a method for operating a printer, the continuous paper or forms can be guided and separated by means of a drivable feed head via a feed path into a continuous path equipped with at least one printer.
  • Such printers allow a quick change from one form to be printed to another or to simple paper if the web to be printed on is available in a second feed head. It has been shown, however, that undesirable inaccuracies can occur during the changing feed, which are often not completely avoidable even through tedious adjustment.
  • the invention is therefore based on the object of being able to change paper webs to be labeled quickly and easily and to secure the exact labeling as well as the exact separation, for example by means of a cutting device.
  • a printer 3 is shown schematically on a plate 1 of a table 2.
  • arms 4 are provided, which serve to hold stacks of paper 5.
  • the free ends of the two paper stacks 5 shown on the left are inserted with their perforations into drivable endless barbed tapes 19 of feed heads 6, 7 in such a way that their front inlet edges are in a parking position just before or on the assigned one of the inlet tracks 8, 9.
  • the infeed paths 8, 9 run fork-like towards the through path 10 of the printer 3, which is equipped with pairs of transport rollers 11, a print head 12 and a cutting device 13, and which leads to a switch which optionally supplies the printed, cut endless web sections to the block 15 leads or places the still uncut sections in a fan fold as a stack 16 on another boom 4 of the table 2.
  • the continuous path 10 is also equipped with a sensor 17 for detecting the leading edges of continuous paper, and the feed heads 6, 7 or the infeed path 8, 9 are each equipped with the presence of paper sensors 18 which are in front of the parking position.
  • Newly inserted papers are inserted into the spines of the endless barbed tapes 19 of the feed head concerned in such a way that their infeed belt edges are in an insertion position upstream of the parking positions, in which the upstream sensor 18 does not yet respond.
  • the barbed belts of the relevant one of the inlet heads are driven until the inlet edge has passed the inlet path 8 or 9 in question and reaches the sensor 17 in the passage path.
  • the latter reports the arrival of the leading edge of the paper web as well as the position of the drive of the drive control device, and this pulls the paper web with a pressure field for test prints in front of the print head 12. Because of the position of a test print in this pressure field, the position of the paper web can be corrected. and periodic, synchronized and exact printing can now begin.
  • the paper web passing through the printer is separated from the last printed field by tearing off or by means of the cutting device 13 in any case.
  • the length that has still run in the continuous path 10 is then withdrawn.
  • the position of the release of the sensor 17 is used here to form and store the difference between the actual value of the position of the paper drive and its setpoint. Then the paper is pulled back to the parking position of its leading edge. If the same paper web is later drawn in again, the sensor 18, which has been actuated from the beginning, can report to the control device that there is no new feed, but only a re-application, and the difference stored for this paper web is given to the transport process as a correction.
  • the leading edge of the paper web is inserted into the continuous path 10 and reversed after passing the sensor 17, so that the measurement of the leading edge of the paper web can be carried out in the same direction of movement as when the paper web is extended and thus without hysteresis errors. Accordingly, the measurement after leaving the sensor 17 can also be carried out in a short lead when the paper web is extended and can be carried out in the lead when the paper web is retracted.
  • feed cassettes instead of permanently installed feed heads, which are exchangeably received in holders.
  • slots with overlapping edges can be provided as holders on both sides, into which draw-in cassettes equipped with boards engaging in these slots can be inserted.
  • Latching levers or bolts that are spring-loaded in bores are able to ensure a tight fit in the specified position, and spur gears that engage in a stationary spur gear are able to convey the transport movements. If appropriate storage locations are provided, differences determined during the printing can also be stored here, and the storage location in question can be set manually by visual reading; but it is also possible to equip feed cassettes with sensible marks and to equip the printer with corresponding scanning devices, so that the corresponding storage location is selected automatically.
  • sensor 18 can be dispensed with if the respective paper feed is determined until sensor 17 is reached and is used for switching operations. This makes it easy to determine whether the front edge of a paper web has been advanced from the park position or the inserted position further back.
  • the difference stored by the relevant feed head is queried and fed to the control device for the drive as a correction value, whereas if the feed from the insertion position exceeds this characteristic value, it is stored for this feed head Correction values are deleted and determined correction values are saved.
  • the holding devices for feed heads designed as feed cassettes can also be varied as desired, if care is taken to ensure a secure, defined lockable seat, in which a defined connection to the drive device is also ensured.

Landscapes

  • Handling Of Sheets (AREA)
  • Replacement Of Web Rolls (AREA)
EP94119945A 1993-12-22 1994-12-16 Procédé de fonctionnement d'une imprimante. Withdrawn EP0661164A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934343997 DE4343997A1 (de) 1993-12-22 1993-12-22 Verfahren zum Betreiben eines Druckers
DE4343997 1993-12-22

Publications (2)

Publication Number Publication Date
EP0661164A2 true EP0661164A2 (fr) 1995-07-05
EP0661164A3 EP0661164A3 (fr) 1996-05-01

Family

ID=6505875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119945A Withdrawn EP0661164A3 (fr) 1993-12-22 1994-12-16 Procédé de fonctionnement d'une imprimante.

Country Status (2)

Country Link
EP (1) EP0661164A3 (fr)
DE (1) DE4343997A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000058167A1 (fr) 1999-03-31 2000-10-05 Safta S.P.A. Systemes de conditionnement refermables
WO2004071916A3 (fr) * 2003-02-12 2005-02-10 Baker Hughes Inc Systeme d'alimentation en papier en continu
US7295289B2 (en) 2003-07-11 2007-11-13 Baker Hughes Incorporated Continuous paper feed system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0752320B1 (fr) * 1995-07-07 1999-01-27 COMPUPRINT S.p.A. Imprimante avec système de traitement de plusieurs feuilles continues
DE29702659U1 (de) * 1997-02-15 1997-12-18 PSi Printer Systems international GmbH, 57080 Siegen Einrichtung zum Transport von Endlospapier und geschnittenen Blättern in Druckern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2717758C3 (de) * 1977-04-21 1980-10-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorrichtung zur Papierführung in Druckgeräten, insbesondere bei Daten- und Fernschreibmaschinen
JPS6044379A (ja) * 1983-08-19 1985-03-09 Sanyo Electric Co Ltd プリンタ装置
EP0227116B1 (fr) * 1985-12-25 1991-10-09 Brother Kogyo Kabushiki Kaisha Système d'impression permettant à l'utilisateur de choisir le mode d'entraînement du formulaire
JPS6469371A (en) * 1987-09-10 1989-03-15 Oki Electric Ind Co Ltd Horizontal inserter type printer
KR930009111B1 (ko) * 1988-03-14 1993-09-23 세이꼬 엡슨 가부시끼가이샤 프린터의 급지장치
DE4039389A1 (de) * 1990-12-10 1992-06-11 Siemens Ag Druckeinrichtung fuer einzelblatt- und abtastfaehige elemente aufweisendes endlospapier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000058167A1 (fr) 1999-03-31 2000-10-05 Safta S.P.A. Systemes de conditionnement refermables
WO2004071916A3 (fr) * 2003-02-12 2005-02-10 Baker Hughes Inc Systeme d'alimentation en papier en continu
US7295289B2 (en) 2003-07-11 2007-11-13 Baker Hughes Incorporated Continuous paper feed system

Also Published As

Publication number Publication date
DE4343997A1 (de) 1995-06-29
EP0661164A3 (fr) 1996-05-01

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