201211705 六、發明說明： 【發明所屬之技術領域】 本發明係與事務機器有關， 裝置之紙張移動控制裝置。 更詳而言之是指一種影像形成 【先前技術】 事務機器如影印機、掃描機或印表機等影像形成裝置進行 •，面掃描或雙面列印作業時，常發生二次進紙時，紙張前端斑 後端同時重疊於出紙口，造成紙張卡死於出紙口處之情況，而 導致作業效率不彰。為改善上述缺點，遂有業者研發一種紙張 控制裝置，其結構如中華民國第助!574號專利，利用一連 桿機構帶動贼口處之惰輪與峡輪分離，使紙張之兩端可重 疊在出紙口處科會有卡死之縣發生，進而順利完成雙面婦 描或雙面列印之作業。或如美國第仍侧號專利所揭示利用 分離爪進行紙張通道之切換，使影像形絲置在二次進紙 時’進紙口與出紙口形成於不同通道上，使紙張之兩端不會因 重疊而卡死’進而糊完成雙面雜錢面聊之作業。 然而，t述之裝置不僅構件繁多，且内部構造複雜，使其 生產成本提鬲，且增加維修或保養之難度。 【發明内容】 有鑑於此，本發明之主要目的在於提供一種影像形成裝置 201211705 之紙張移_織置，係可避免產生卡紙且構造簡單者。 緣以達成上述目的，本發明所提供影像形成裝置之紙張移 動控制裝置包含有-機m送輪、—被動輪以及一、第 二輸送輪。其中，該機體内部形成有一紙張移動路徑； 移動路徑具有-主路徑以及—分支路徑；該主路徑具有一起始 端與-末端分職賴_之外部；該分支雜―端連接於該 =路徑上之起始端與末端之間，另連接社路徑之末 端該第-輸送輪设於該機體上，而位於該主路徑上之該起始 端與末端間。馳動輪設於賴體上，驗於該战徑之末端 處。該第二輸送輪設於該機體上，而位於該主路徑之末端處， 且其輪面與該被動輪之輪_接；該第二輸送輪之部分輪面至 輸送輪中岐麟小於其它細至觀輪k之雖，使該第 二輸送輪獅時，該部分輪面__歡触間具有一預定 間距。 藉此，利用該被動輪之輪面與該第二輸送輪之部分輪面之 間距可使紙張之兩時重疊該主路徑之末端而不會有卡死 之情形發生。 【實施方式】 為能更清楚地說明本發明，兹舉較佳實施例並配合圖示詳 細說明如後。 請參閱圖1，為本發明第—較佳實施例之影像形成裝置 201211705 100 ’其包含有-掃描裝置丨以及—紙張移動控概置2。該 掃描裂置1係用以掃描紙張内容並據以形成—影像電磁資料 者。該紙張移動控魏置2則位於該掃描裝置i上，且包含有 -機體10、-取紙機構20、一第一輸送輪3〇、一第二輸送輪 40、-第三輸送輪50、一控制裝置6〇、一第一紙張位·測 裝置70、-第二紙張位践測裝置75以及—姿態偵測裝置 80。其中： 該機體10内部具有一紙張通道u。該紙張通道u構成紙 張於機體内之移動路# ’且該紙張通道H具有—構成主路徑 之主通道111以及-構成分纽徑之分规道112。該主通道 Hi具有-起始端ma以及一末端lllb。該起始端ma連通 該機體K)之外部以形成—進紙口 12;該末端㈣連通該機 體之外部形成-出紙口 13。另外，該掃描裝置【之掃瞒點 s δ又於該主通道ιη χ，藉以對通過該主通道⑴之紙張進行 掃描。該分支通道112 -端連接於該主通冑⑴上之起始端 Ilia以及末端lllb間，另―端顺該出紙口 B連接。 該取紙機構20設於該機體1G之賴口 12處，且具有— 預取紙輥輪21以及-取峨輪22。該預取輯輪21用以將 進紙口 12處之紐依雜該主通道m推送。該取紙親輪a 則用以將該預取紙輥輪21才隹送之紙張送入該主通道ιη内。 該第-輸送輪30設機機體1G上，而位於該主通道m 上之起始端Ilia與該掃描點s間；另外，該主通道ιη上於 201211705 該第-輸送輪30設置處之相對一側具有一被動輪9ι，其輪面 與該第-輸送輪30之輪面相接，藉以使主通道⑴内之紙張 往該掃插點S與該出紙口 13推送。 該第二輸送輪5G設於該機體10上’關雜於該主通道 111上接近末端111b處以及該分支通道112上之兩端間。另 外，該分支通道m上於該第三輸送輪％設置處之相對一側 具有-被動輪92，其輪面無第三輸送輪％之輪面相接，用 以將該分支通道112上之紙張推送至該主通道⑴。再者，該 主通道111上於該第三輸送輪5〇設置處之相對一侧具有一被 動輪93 ’其輪面與該第三輸送輪％之輪面相接，用以將主通 道111上之紙張往該出紙口 13推送。 、請參_，該主通道lu上且接近該域口 13處設有 -被動輪94，並於該被動輪94設置處之相對—侧設有該第二 輸送輪40，且其輪面與該被動輪94之輪面相接，用以將紙張 由該出紙π 13送出，或將紙張由該峡口 ^送至該分支通道 112 °該第二輸送輪4G與上述其他輸送輪30、5G不同之處在 2分輪面41至輸送輪中心之距離小於其它輪面42至輸送 之距離’藉以使該第二輸送輪轉動時，該輪面41與 ^動輪94之輪面間具有一預定間距。於本實施例中，該輪 ㈣伟，唯仰此躲，第二輪雜之料輪面只要 面中心之距離小於其它輪面，亦可設計為圖3所示之凸 面輸送輪45或是圖4所示之凹面輸送輪奶，亦或是其他形狀 201211705 之表面。 另外，該第—輪送輪40與該被動輪94相貼抵之周 (即該輪㈣之周長)大於該第二輸送輪4G與被動輪94之貝: 觸點至該第三輸送輪5G與該被動輪92之貼觸點間的分支通道 112長度L。此設計之目的在於當該第二輸送輪4〇逆時針轉動 而將紙張由該出紙口 13處往該分支通道m推送時，該第二 輸送輪50與該被動輪92可在該第二輸送輪4〇與該被動輪94 間產生間贿咬住紙張，柯會有紐鬆默情形發生。 該控制裝置60設於該機體10上，且用以控制該些輥輪 21、22與該些輸送輪3Q、4()、5()之轉動與轉向。 該第一紙張位職置70設於賴體1G上，而位於該 進紙口 12處。請參閱圖5，於本實施例中，該第一紙張位置 偵測裝置70具有—光線發射器71與—光線接收器72，當有 紙張放置於贿紙α 12時，將遮蔽賊線發㈣71射予該光 線接受II 72之糕，使該光線接找72產生—峨予該控制 裝置60，以告知該控制裝置6〇該進紙口 12上有紙張須進行 處理’並據以啟動該取峨構2G，以將紙張推送至該紙張通 道11。 該第二紙張位置細裝置75設於賴體1G上，而位於該 主通道111上之預定位置處。請參閱圖6，於本實施例中，該 第-紙張位置侧裝置75具有—光線發射器76與—光線接收 器77，當紙張到達該預定位置時，將遮蔽該光線發射器76射 201211705 予該光線接受器77之光線，使該光線接受器77產生 該控制裝置以告知觸财6咖购 已到達該預定位置，並據以啟動該掃描裝置】之掃描功能y 3另外，該第二紙張位置_裝置75之裝設位置，最佳者 通道⑴上自該進如12 輪送輪30 别，且接近該第_輸送輪3G之位置上。其優點在於該第二紙 Μ可在紙張接近該第一輸送輪3〇時，產生該 =控制裝置60,使該控制裝置6。卿^ 順時針觸-敢_，剛隨斜校维例之目 7: 的是’在設計上，上述之二紙張位置偵測裝置 亦可選用光感開關或是其他裝置來達到相同之目的。 該姿態偵職㈣設於該機㈣上，且錄社通道⑴ 晉8〇山且古處明參閱圖7，於本實施例中，該姿態偵測裝 置8〇具有-圓盤81、一光線發射器82、一光線接收器幻。 該圓㈣設_第二輸送輪4Q之娜上，且伽具有一缺 口 S11該光線發射器82與該光線接收器83分別設於該圓盤 81之兩侧，當該第：輸送輪4()之輪面41向該被動輪時， 該缺口 811將位於該光線發射器82與該光線接收器83之間， 使該光線接收器83可接收該光線發射㈣發出之光線，並據 以產生-訊號告知該控制裳置6〇該第二輸送輪4〇當下姿離為 輪面41向雜雜94，叫辑二輸送輪4〇於當前姿離停 止運轉。當然在設計上，亦可使用磁簧開關或微動開關等習知 201211705 债則裳置來達到相同之目的於此容不自贊述。 構件t’r嶋蝴3,繩妨㈣理時之各 18揭_第—麟位置侧裝17〇侧 4紙口 12有紙張後，藉由該取紙機構2〇將紙張p送入該 m ’且該第二紙張位置偵測裝置75偵測到紙張p之 一端P1通過，而起_掃描裝置1掃描紙張p之内容。圖 一，不當紙張p之第二端!>2離開該第二紙張位置侧裝置乃 一定距離後’該第二輸送輪4G _針轉動，且該第三輸送輪 一=時針轉動，以將該紙張P往該出紙口 13推送。圖丄〇揭 丁田紙張P離開該第三輪送輪5〇 一定距離後，該第二輸送輪 40改為逆時針轉動，以將紙張p由出紙口 13送至該分支通道 112。圖1 1揭示當紙張P送至該分支通道112後，該控制裝 置60依據該姿態偵測裝置80之訊號停止轉動該第二輸送輪 〇並使該第二輸送輪40之輪面向該被動輪94，以使該第二 輪送輪40輪面41與馳動輪94輪面_成_定間距。另 外，該第三輸送輪50則持續逆時針運轉，以將紙張p送入該 主通道m以進行掃描。圖丄2揭示當紙張？之第二端由 出紙口 13處送㈣，此時該第—㈣仍未進人紙張移動通道 11 ’導致紙張P之兩端PI、P2重疊於該出紙口 13處，但因該 第二輪送輪4G與雜絲94之間具有該财咖，將可避免 紙張P卡狀情形發生。圖1 3揭林錢轉贱張p後， 該第二輸送輪40則順時針運轉，以將紙張p由該出紙口 u 201211705 送出。 紙口:二提的！1 ’在雙面掃插完成後，亦可再將紙張p由出 扩—至紗支魏112 —次，但不進行掃描，藉以使掃 田後、我張P之排序仍可與掃描前相同。 -另卜田紙張P僅需進行單面處理時，則如圖7及圖 不於掃描完成後，直接將該紙張p往出紙口 13處推送即可， 而不需將紙張P送人該分支通道112。 除上述結構外，請參閱圖工4，為本發明第二較佳實施例 之紙張移输繼置3，與上述實施例獨之處在於該紙張移 動控制裝置3之第-輸送輪31〇τ同時將主通道331内之紙張 送往出紙口 330 ’以及將分支通道说内之紙張送往主通道 331 ’且不會干涉到第二輸送輪32〇轉動，藉以簡化整體結構 之繁雜度’使成本降低，並可使維修與保養作業變得更為簡易。 以上所述僅為本發明數個較佳可行實施例而已，舉凡應用 本發明說明書及申請專利範圍所為之等效結構及製作方法變 化，理應包含在本發明之專利範圍内。 201211705 【圖式簡單說明】 ® 1為本發料—較佳實施例之剖視圖。 圖2為上述本發明第—較佳實施例之局部剖視圖。 圖3揭不第二輪送輪之部分輪面為凸面。 圖4揭不第二輪送輪之部分輪面為凹面。 圖5為第-紙張位置偵職置之側視圖。 圖6為第二紙張位置伽懷置之侧視圖。 _ 圖7為姿_測裝置之立體圖。 圖8至圖13為本發明第一較佳實施例之動作示意圖。 圖14為本發明第二較佳實施例之剖視圖。 【主要元件符號說明】 1〇〇影像形成裝置 1掃描裝置 s掃描點 2紙張移動控制裝置 10機體 11紙張移動通道 111主通道 111a起始端 112分支通道 12進紙口 13出紙口 20取紙機構 21預取紙輥輪 22取紙輥輪 lllb末端 11 201211705 30第一輸送輪 40第二輸送輪 41輪面 45凸面輸送輪 46凹面輸送輪 50第三輸送輪 60控制裝置 70第一紙張位置偵測裝置 71光線發射器 72光線接收器 75第二紙張位置偵測裝置 76光線發射器 77光線接收器 80姿態偵測裝置 81圓盤 811 缺口 82光線發射器 83光線接收器 91〜94被動輪 P紙張 P1第一端 P2第二端 L長度 42輪面201211705 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a paper movement control device for a device related to a transaction machine. More specifically, it refers to an image forming method [Prior Art] A transaction machine such as a photocopying machine such as a photocopier, a scanner, or a printer performs a secondary feeding operation when performing face scanning or double-sided printing. The back end of the front end of the paper overlaps at the paper exit port at the same time, causing the paper to be stuck at the paper exit port, resulting in inefficient work. In order to improve the above shortcomings, a manufacturer has developed a paper control device, which has the structure of the Republic of China No. 574 patent, which uses a linkage mechanism to separate the idler wheel from the gorge at the thief's mouth, so that the two ends of the paper can overlap. At the exit of the paper exit, the county will be killed, and the double-sided woman or double-sided printing will be successfully completed. Or, as disclosed in the U.S. Patent No. 3, the separation of the paper passages is performed by using the separation claws, so that the image forming yarn is placed on the different paper when the paper is placed in the secondary feeding, so that the two ends of the paper are not Will be stuck due to overlap' and then complete the double-sided miscellaneous face chat. However, the device described in t is not only has a large number of components, but also has a complicated internal structure, which increases the production cost and increases the difficulty of maintenance or maintenance. SUMMARY OF THE INVENTION In view of the above, it is a primary object of the present invention to provide a paper sheeting method for image forming apparatus 201211705 which avoids jamming and is simple in construction. In order to achieve the above object, the paper sheet moving control device of the image forming apparatus of the present invention comprises a machine m feeding wheel, a passive wheel and a first and second conveying wheel. Wherein, a movement path of the paper is formed inside the body; the movement path has a -main path and a branch path; the main path has an outer end and an end end of the external partition; the branch end is connected to the = path Between the starting end and the end, the end of the connecting path is connected to the body, and the starting end and the end are located on the main path. The moving wheel is set on the Lai body and is tested at the end of the battle path. The second conveying wheel is disposed on the body at the end of the main path, and the wheel surface is connected with the wheel of the driven wheel; the part of the wheel of the second conveying wheel to the conveying wheel is less than the other Although it is as fine as the observation wheel k, when the second conveying wheel lion is used, the part of the tread __sports has a predetermined interval. Thereby, the distance between the tread of the driven wheel and a portion of the tread of the second conveying wheel can be used to cause the paper to overlap the end of the main path without jamming. [Embodiment] In order to explain the present invention more clearly, the preferred embodiment will be described in detail with reference to the accompanying drawings. Referring to Fig. 1, an image forming apparatus 201211705 100' of the first embodiment of the present invention includes a scanning device and a paper movement control device 2. The scanning split 1 is used to scan the contents of the paper and form the image electromagnetic data accordingly. The paper movement control device 2 is located on the scanning device i, and includes a body 10, a paper take-up mechanism 20, a first transport wheel 3〇, a second transport wheel 40, and a third transport wheel 50. A control device 6A, a first paper position detecting device 70, a second paper position sensing device 75, and an attitude detecting device 80. Wherein: the body 10 has a paper passage u inside. The paper path u constitutes a moving path #' of paper in the body and the paper path H has a main path 111 constituting a main path and a branching path 112 constituting a split path. The main channel Hi has a start end ma and an end end 11lb. The starting end ma communicates with the outside of the body K) to form a paper feed port 12; the end (4) communicates with the outside of the body to form a paper discharge port 13. Further, the scanning device [the broom point s δ is again in the main channel ιη χ, thereby scanning the paper passing through the main channel (1). The branch channel 112-end is connected between the starting end Ilia and the end 111b on the main ventilation raft (1), and the other end is connected to the paper exit B. The paper take-up mechanism 20 is disposed at the rim 12 of the body 1G, and has a pre-pickup roller 21 and a pick-up wheel 22. The pre-fetching wheel 21 is used to push the button at the paper feed port 12 to the main channel m. The paper take-up reel a is used to feed the paper fed by the pre-fetching roller 21 into the main channel. The first conveying roller 30 is disposed on the machine body 1G, and is located between the starting end Ilia on the main passage m and the scanning point s; in addition, the main passage is on the opposite side of the setting of the first conveying roller 30 at 201211705 The side has a driven wheel 9i whose wheel surface is in contact with the wheel surface of the first conveying roller 30, so that the paper in the main passage (1) is pushed toward the sweeping point S and the paper discharge port 13. The second conveying wheel 5G is disposed on the body 10 and is disposed on the main passage 111 near the end 111b and between the ends of the branch passage 112. In addition, the branch channel m has a passive wheel 92 on the opposite side of the third transport wheel % setting, and the wheel surface of the branch channel m is not connected to the third conveyor wheel % for the branch channel 112 Paper is pushed to the main channel (1). Furthermore, the main channel 111 has a passive wheel 93 ′ on the opposite side of the third conveying wheel 5 〇, and its tread surface is connected to the wheel surface of the third conveying wheel % for the main channel 111 The upper paper is pushed to the paper exit port 13. Please refer to _, the passive roller 94 is disposed on the main passage lu and near the domain port 13, and the second delivery wheel 40 is disposed on the opposite side of the passive wheel 94, and the tread is The wheel surface of the driven wheel 94 is connected to send paper from the paper π 13 or the paper is sent from the gorge to the branch channel 112. The second conveyor wheel 4G and the other conveying wheels 30, The difference of 5G is that the distance between the 2nd wheel surface 41 and the center of the conveying wheel is smaller than the distance of the other wheel surface 42 to the transportation. When the second conveying wheel is rotated, the wheel surface 41 and the wheel surface of the moving wheel 94 have a Predetermined spacing. In this embodiment, the wheel (four) Wei, only to hide this, the second wheel of the material wheel surface as long as the center of the surface is smaller than the other wheel surface, can also be designed as the convex surface transport wheel 45 or Figure 3 The concave conveyor wheel milk shown in 4 is also the surface of other shapes 201211705. In addition, the circumference of the first wheel-feeding wheel 40 and the driven wheel 94 (ie, the circumference of the wheel (four)) is larger than the shell of the second conveyor wheel 4G and the driven wheel 94: the contact to the third conveying wheel The length L of the branch passage 112 between the 5G and the contact of the driven wheel 92. The purpose of this design is that when the second conveyor wheel 4 is rotated counterclockwise to push the paper from the paper exit port 13 to the branch passage m, the second conveyor wheel 50 and the driven wheel 92 can be in the second When the transfer wheel 4〇 and the passive wheel 94 generate a bribe to bite the paper, Ke will have a Neusom situation. The control device 60 is disposed on the body 10 and is configured to control the rotation and steering of the rollers 21, 22 and the transport wheels 3Q, 4(), 5(). The first paper position job 70 is disposed on the body 1G and is located at the paper feed port 12. Referring to FIG. 5, in the embodiment, the first paper position detecting device 70 has a light emitter 71 and a light receiver 72. When paper is placed on the bribe paper α12, the thief line is sent (four) 71. Shooting the light to receive the cake of II 72, causing the light to be picked up 72 to generate the control device 60 to inform the control device 6 that the paper feed port 12 has a paper to be processed 'and to initiate the take-up The 2G is configured to push the paper to the paper path 11. The second sheet position thinning device 75 is provided on the body 1G at a predetermined position on the main passage 111. Referring to FIG. 6, in the embodiment, the first paper position side device 75 has a light emitter 76 and a light receiver 77. When the paper reaches the predetermined position, the light emitter 76 is shielded from the shot 201211705. The light of the light receiver 77 causes the light receiver 77 to generate the control device to inform the touch 6 that the purchase has arrived at the predetermined position, and accordingly activates the scanning function of the scanning device y. In addition, the second paper The position_device 75 is installed at a position where the best person passage (1) is from the incoming 12 wheel and is adjacent to the first conveyor 3G. This has the advantage that the second paper cassette can produce the control device 60 to bring the control device 6 when the paper is approaching the first transport wheel 3〇. Qing ^ clockwise touch - dare _, just with the oblique school dimension 7: Yes, in design, the above two paper position detection devices can also use light switches or other devices to achieve the same purpose. The attitude detection service (4) is set on the machine (4), and the recording channel (1) is Jinshan Mountain and the ancient place is shown in Fig. 7. In this embodiment, the posture detecting device 8 has a disc 81 and a light. The transmitter 82 and a light receiver are magical. The circle (4) is disposed on the second conveyor wheel 4Q, and the gamma has a notch S11. The light emitter 82 and the light receiver 83 are respectively disposed on two sides of the disk 81, and the first: the delivery wheel 4 ( When the tread 41 is directed to the driven wheel, the notch 811 will be located between the light emitter 82 and the light receiver 83, so that the light receiver 83 can receive the light emitted by the light (four) and generate - The signal informs the control that the second conveyor wheel 4 is placed in the second position of the wheel 41, and the second conveyor wheel 4 is stopped at the current position. Of course, in design, you can also use reed switches or micro-switches, etc. 201211705 debts are set to achieve the same purpose. The member t'r嶋3, the rope (4) is the same as the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ And the second paper position detecting device 75 detects that one end P1 of the sheet p passes, and the scanning device 1 scans the contents of the sheet p. Figure 1, the second end of the improper paper p! > 2 after the second paper position side device is a certain distance, the second transport wheel 4G_needle rotates, and the third transport wheel rotates by an hour hand to The sheet P is pushed toward the paper exit port 13. After the D-field paper P leaves the third-round feeding wheel 5〇, the second conveying wheel 40 is rotated counterclockwise to feed the paper p from the paper discharge port 13 to the branching passage 112. FIG. 11 shows that after the paper P is sent to the branch passage 112, the control device 60 stops rotating the second transport rim according to the signal of the attitude detecting device 80, and the wheel of the second transport wheel 40 faces the passive wheel. 94, so that the second wheel 41 of the second wheel 40 and the wheel 94 of the moving wheel 94 are spaced apart. In addition, the third transporting wheel 50 continues to operate counterclockwise to feed the paper p into the main passage m for scanning. Figure 2 reveals when paper? The second end is sent by the paper exit 13 (four). At this time, the first (fourth) still does not enter the paper moving passage 11', so that the ends PI and P2 of the paper P overlap at the paper exit port 13, but because of the The two-wheeled wheel 4G and the miscellaneous wire 94 have the treasury, which will prevent the paper P from being stuck. After the first transfer wheel 40 is turned clockwise, the paper p is sent out from the paper exit port u 201211705. Paper mouth: two mentions! 1 'After the double-sided sweeping is completed, the paper p can be expanded and expanded to the yarn count Wei 112 times, but the scanning is not performed, so that the sorting after the sweeping of the sheet and the sheet P can still be the same as before the scanning. . - If the other paper is only required to be processed on one side, then as shown in Figure 7 and after the scanning is completed, the paper p can be directly pushed to the paper exit 13 without the need to feed the paper P. Branch channel 112. In addition to the above structure, please refer to Figure 4, which is a paper transport relay 3 according to a second preferred embodiment of the present invention, which is unique to the above embodiment in that the first transport wheel 31 〇τ of the paper movement control device 3 At the same time, the paper in the main channel 331 is sent to the paper exit 330' and the paper in the branch channel is sent to the main channel 331' and does not interfere with the rotation of the second transport wheel 32, thereby simplifying the complexity of the overall structure. Reduce costs and make repairs and maintenance easier. The above description is only a few of the preferred embodiments of the present invention, and the equivalent structure and manufacturing method of the present invention and the scope of the patent application are intended to be included in the scope of the present invention. 201211705 [Simple Description of the Drawings] ® 1 is a cross-sectional view of a preferred embodiment. Figure 2 is a partial cross-sectional view of the above-described preferred embodiment of the present invention. Figure 3 shows that part of the tread of the second wheel is a convex surface. Figure 4 shows that part of the tread of the second wheel is concave. Figure 5 is a side view of the first-paper position detective. Figure 6 is a side view of the second paper position. _ Figure 7 is a perspective view of the attitude measuring device. 8 to 13 are schematic views showing the operation of the first preferred embodiment of the present invention. Figure 14 is a cross-sectional view showing a second preferred embodiment of the present invention. [Main component symbol description] 1 〇〇 image forming apparatus 1 scanning device s scanning point 2 paper movement control device 10 body 11 paper moving passage 111 main passage 111a starting end 112 branching passage 12 paper feed port 13 paper exit port 20 paper take-up mechanism 21 pre-pickup roller 22 pickup roller 1111 end 11 201211705 30 first delivery wheel 40 second delivery wheel 41 tread 45 convex delivery wheel 46 concave delivery wheel 50 third delivery wheel 60 control device 70 first paper position detection Measuring device 71 light emitter 72 light receiver 75 second paper position detecting device 76 light emitter 77 light receiver 80 attitude detecting device 81 disk 811 notch 82 light emitter 83 light receiver 91~94 passive wheel P Paper P1 first end P2 second end L length 42 tread
3紙張移動控制裝置 310第一輸送輪 320第二輸送輪 330出紙口 331主通道 332分支通道 123 paper movement control device 310 first conveying wheel 320 second conveying wheel 330 paper exit port 331 main channel 332 branch channel 12