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Oki MB770 Maintenance Manual
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Oki MB770 Maintenance Manual

Finisher
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MB770 / MB770+
MPS5502 / MPS5502+
MC770 / MB770+
MC780 / MC780+
MPS3537 / MPS3537+
MPS4242 / MPS4242+
Finisher Maintenance Manual
MJ-1038
Rev 2

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Summary of Contents for Oki MB770

  • Page 1 MB770 / MB770+ MPS5502 / MPS5502+ MC770 / MB770+ MC780 / MC780+ MPS3537 / MPS3537+ MPS4242 / MPS4242+ Finisher Maintenance Manual MJ-1038 Rev 2...
  • Page 2 • Other company names and product names in this manual are the trademarks of their respective companies. © 2013 OKI DATA CORPORATION All rights reserved Under the copyright laws, this manual cannot be reproduced in any form without prior written permission of OKI DATA CORPORATION.
  • Page 3 Oki Data CONFIDENTIAL CONTENTS MJ-1038 1. SPECIFICATIONS, ACCESSORY AND CONSUMABLES .......... 1-1 1.1 Specifications........................1-1 1.2 Accessory ..........................1-3 1.3 Consumables........................1-4 2. GENERAL DESCRIPTION.................... 2-1 2.1 Main Components........................ 2-1 2.2 Sectional View ........................2-2 2.3 Electric Parts Layout......................2-4 2.4 Symbols and Functions of Various Components..............
  • Page 4 Oki Data CONFIDENTIAL 4.4.5 Main paddle (PM) ....................4-42 4.4.6 SCU paddle ......................4-43 4.5 Disassembly and Replacement of Others ................. 4-45 4.5.1 Finisher control PC board ASSY ................4-45 4.5.2 Finisher control PC board..................4-45 4.5.3 Stapler ........................4-46 5.
  • Page 5 Oki Data CONFIDENTIAL SPECIFICATIONS, ACCESSORY AND CONSUMABLES Specifications • Product Type Inner Finisher (1 trays) • Paper Stacking Device Stationary Tray • Paper Size A4, A5, B5, Executive, Folio, LG13", LG13.5", LG14", LT, Statement, 16K (195 × 270) • Paper Basis Weight 64 - 220 g/m (17 lb.
  • Page 6 Oki Data CONFIDENTIAL • Stapling Position 5 ±2 mm 5 ±2 mm (45 ° ) Fig. 1-2 Transport direction • Paper Size for stapling Stapling Position Paper Size Single A4, B5, Executive, Folio, LG13", LG13.5", LG14", LT, 16K (184 × 260, 195 ×...
  • Page 7 Oki Data CONFIDENTIAL Accessory Quan- Quan- Symbol Name Symbol Name tity tity Stacker tray Screw: M4x6 BKT MOUNT LEFT Screw: M3x6 BKT MOUNT RIGHT Screw: M3x10 Paper Guide Screw: M3x8 Film 2 sheets Screw: M3x12 Film 1 sheet Control Panel Fixing Plate...
  • Page 8 Oki Data CONFIDENTIAL Consumables • Staple cartridge exclusive cartridge (STAPLE-2000) 1-4 / 45372301TH Rev.2...
  • Page 9 Oki Data CONFIDENTIAL GENERAL DESCRIPTION Main Components Fig. 2-1 Upper cover Stapler Right cover Rear cover Left cover Connector cover Stacker tray 2-1 / 45372301TH Rev.2...
  • Page 10 Oki Data CONFIDENTIAL Sectional View [A] Right side [11] [10] [12] [13] [14] [15] Fig. 2-2 Stapler motor Paper support home position sensor Stapler Stapler paper sensor Stacker tray Right alignment motor Lever path motor Stack home position sensor Lever path home position sensor...
  • Page 11 Oki Data CONFIDENTIAL [B] Left side [10] Fig. 2-3 Entrance transport sensor Exit transport motor Exit transport sensor Stacker tray lower limit switch Door switch Alignment plate home position sensor (L) Ejector home position sensor Paddle motor Alignment motor (L)
  • Page 12 Oki Data CONFIDENTIAL Electric Parts Layout [A] Sensors and switches Fig. 2-4 2-4 / 45372301TH Rev.2...
  • Page 13 Oki Data CONFIDENTIAL [B] Motors and PC boards Fig. 2-5 2-5 / 45372301TH Rev.2...
  • Page 14 Oki Data CONFIDENTIAL Symbols and Functions of Various Components The column <P-I> shows the page and item number in the parts list. 1. Motors Symbol Name Function Remarks Entrance transport motor Drives the entrance transport roller Exit transport motor Drives the exit transport roller...
  • Page 15 Oki Data CONFIDENTIAL 3. PC board Symbol Name Function Remarks Finisher control PC board Controls the Finisher. 2-7 / 45372301TH Rev.2...
  • Page 16 Oki Data CONFIDENTIAL Diagram of Signal Blocks The operational sequence of the finisher is controlled by the Finisher control PC board (FIN). The CPU on the PC board controls paper transportation and serial transmissions of the machine. A block diagram of the finisher is shown below.
  • Page 17 Oki Data CONFIDENTIAL DESCRIPTION OF OPERATIONS Basic Operations 3.1.1 Specifications The Finisher exits paper transported from the equipment. Paper exit modes available are; the simple stack (straight-through paper exit) mode, offset mode and staple stack mode. The operations noted above are controlled by the Finisher control PC board (FIN) in accordance with commands from the equipment.
  • Page 18 Oki Data CONFIDENTIAL 3.1.2 Transport drive system - General description The Finisher selects an appropriate exiting mode among the simple stack (straight-through paper exit) mode, offset mode and staple stack mode in accordance with commands from the equipment, and then exits the finished paper onto a tray.
  • Page 19 Oki Data CONFIDENTIAL [A] MFP Interface Section Fig. 3-2 Flapper (Finisher side) Flapper (MFP side) Lever path motor (M10) If the finisher is specified as the paper discharge destination, the lever path motor (M10) rotates forward and drives the lever so the machine's flapper (transport pass gate) switches to the finisher side, and the paper is transported into the finisher.
  • Page 20 Oki Data CONFIDENTIAL [B] Entrance transport section Fig. 3-3 Entrance transport roller Transport roller Entrance transport sensor Paper transported from the machine is conveyed by the paper transport belt, which is driven by the entrance transport motor (M1), and the entrance transport roller and transport roller rotate to transport it to the discharge section.
  • Page 21 Oki Data CONFIDENTIAL [C] Exit transport section Fig. 3-4 Exit roller Exit transport sensor Paper transported from the entrance transport section is conveyed by the paper transport belt, which is driven by the exit transport motor (M2), and the exit roller rotates to transport it to the finishing tray sec- tion.
  • Page 22 Oki Data CONFIDENTIAL [D] Finishing tray section Fig. 3-5 Main paddle Sub paddle Paper support Right alignment plate Left alignment plate While the paper passes the entrance transport sensor, the paper support motor (M6) drives the paper support out the stacker tray side to wait for the paper being transported.
  • Page 23 Oki Data CONFIDENTIAL [D-1] Offset operation When the offset is set, the position that paper is discharged to the stacker tray is shifted by a definite unit, either in batch units or job units, to identify the separation of paper sets.
  • Page 24 Oki Data CONFIDENTIAL [E] Stacker tray section Fig. 3-8 Ejector belt SCU paddle Paper that is aligned in the finishing tray section is discharged to the stacker tray by the rotating ejector belt which is driven by the ejector motor (M7). When paper is discharged from the processing tray, the stacker tray is raised by the stacker motor (M8).
  • Page 25 Oki Data CONFIDENTIAL 3.1.3 Jam detection Timing for checking paper jams in the Finisher is programmed in a microcomputer (CPU) on the Fin- isher control PC board (FIN) in advance. It checks paper jams at the set timing in accordance with whether paper exists in the sensor section or not.
  • Page 26 Oki Data CONFIDENTIAL [A] Paper remaining jam Any of the following: Either of the entrance transport sensor (S1) and the exit transport sensor (S2) detects paper after power-ON or when the jam access rear cover is closed. When a stop notification is sent from the machine while the finisher is transporting paper.
  • Page 27 Oki Data CONFIDENTIAL DISASSEMBLY AND INSTALLATION Disassembly and Replacement of Covers 4.1.1 Upper cover Open the rear cover [1] and remove 5 screws, and remove the top cover [2]. Fig. 4-1 4.1.2 Right cover Remove 4 screws and take off the right cover [1].
  • Page 28 Oki Data CONFIDENTIAL 4.1.3 Left cover Remove 4 screws and take off the left cover [1]. Fig. 4-3 4-2 / 45372301TH Rev.2...
  • Page 29 Oki Data CONFIDENTIAL Disassembly and Replacement of Sensors and Switches 4.2.1 Guide upper ASSY Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Remove 3 screws and take off the Finisher control PC board ASSY [1].
  • Page 30 Oki Data CONFIDENTIAL Disassembly and Replacement of Sensors and Switches 4.2.1 Guide upper ASSY Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Remove 3 screws and take off the Finisher control PC board ASSY [1].
  • Page 31 Oki Data CONFIDENTIAL Remove 1 e-ring [2], and remove gear [3]. Fig. 4-7 Remove 1 screw and take off the bracket (R) [4] and rear cover open [5]. Fig. 4-8 Fig. 4-9 4-5 / 45372301TH Rev.2...
  • Page 32 Oki Data CONFIDENTIAL Remove 1 screw and take off the bracket (L) [6]. Fig. 4-10 Remove 2 screws and take off the Guide left- 1 [7]. Fig. 4-11 Remove 4 screws and take off the Guide left- 2 [8]. Fig. 4-12 4-6 / 45372301TH Rev.2...
  • Page 33 Oki Data CONFIDENTIAL 4.2.3 Entrance transport sensor (S1) Take off the Guide rear ASSY. ( P.4-3 "4.2.2 Guide rear ASSY") Disconnect 1 connector [1] and then take off the entrance transport sensor [2]. Fig. 4-13 4.2.4 Exit transport sensor (S2) Take off the upper cover.
  • Page 34 Oki Data CONFIDENTIAL 4.2.3 Entrance transport sensor (S1) Take off the Guide rear ASSY. ( P.4-3 "4.2.2 Guide rear ASSY") Disconnect 1 connector [1] and then take off the entrance transport sensor [2]. Fig. 4-13 4.2.4 Exit transport sensor (S2) Take off the upper cover.
  • Page 35 Oki Data CONFIDENTIAL 4.2.5 Alignment plate home position sensor (R) (S4) Take off the Finisher control PC board ASSY. ( P.4-45 "4.5.1 Finisher control PC board ASSY") Remove 1 e-ring [1], and remove main pad- dle flag [2]. Fig. 4-15...
  • Page 36 Oki Data CONFIDENTIAL Disconnect 1 connector [3] and then take off the paddle home position sensor [4]. Fig. 4-18 4.2.7 Ejector home position sensor (S7) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 4 screws and 1 connector [1], remove the Guide upper ASSY [2].
  • Page 37 Oki Data CONFIDENTIAL Remove the sensor actuator [4]. Fig. 4-21 Note: Do not forget to install the spring [5]. Fig. 4-22 Disconnect 1 connector [6] and then take off the ejector home position sensor [7]. Fig. 4-23 4-11 / 45372301TH Rev.2...
  • Page 38 Oki Data CONFIDENTIAL 4.2.8 Ejector encoder sensor (S8) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2]. Fig. 4-24 Remove 4 screws and 1 connector [3], remove the Guide compile ASSY [4].
  • Page 39 Oki Data CONFIDENTIAL Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-27 Note: Do not forget to install the belt [8]. Fig. 4-28 Remove 2 screws and take off the Paper support F ASSY [9].
  • Page 40 Oki Data CONFIDENTIAL Remove 3 screws and 2 connectors [10], remove the ejector motor ASSY [11]. [11] Fig. 4-30 [10] Fig. 4-31 Disconnect 1 connector [12] and then take off the Ejector encoder sensor [13]. [13] [12] Fig. 4-32 4-14 /...
  • Page 41 Oki Data CONFIDENTIAL 4.2.9 Stapler paper sensor (S14) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2]. Fig. 4-33 Take off the left cover. ( P.4-2 "4.1.3 Left cover")
  • Page 42 Oki Data CONFIDENTIAL Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-36 Note: Do not forget to install the belt [8]. Fig. 4-37 Disconnect 1 connector [9] and then take off the stapler paper sensor [10].
  • Page 43 Oki Data CONFIDENTIAL 4.2.10 Stack home position sensor (S9) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2]. Fig. 4-39 Remove 4 screws and 1 connector [3], remove the Guide compile ASSY [4].
  • Page 44 Oki Data CONFIDENTIAL Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-42 Note: Be careful of the hooks [8] during installation. Fig. 4-43 Remove 2 screws and take off the Paper support F ASSY [9].
  • Page 45 Oki Data CONFIDENTIAL Disconnect 1 connector [10] and then take off the stack home position sensor [11]. [10] [11] Fig. 4-45 4.2.11 Paper support home position sensor (S6) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2].
  • Page 46 Oki Data CONFIDENTIAL Note: Do not forget to install the belt [5]. Fig. 4-48 Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-49 Note: Be careful of the hooks [8] during installation. Fig. 4-50 4-20 / 45372301TH Rev.2...
  • Page 47 Oki Data CONFIDENTIAL Remove 2 screws and take off the Paper support F ASSY [9]. Fig. 4-51 Remove 3 screws and 2 connectors [10], remove the ejector motor ASSY [11]. [10] [11] Fig. 4-52 Remark: Be sure to attach the 2 connectors previ- ously.
  • Page 48 Oki Data CONFIDENTIAL Disconnect 1 connector [12] and then take off the Paper support home position sensor [13]. [13] [12] Fig. 4-54 4.2.12 Door switch (SW2) Take off the Upper cover. ( P.4-1 "4.1.1 Upper cover") Disconnect 1 connector [1] and then take off the door switch [2].
  • Page 49 Oki Data CONFIDENTIAL 4.2.14 Lever path home position sensor (S15) Take off the Guide rear ASSY. ( P.4-3 "4.2.2 Guide rear ASSY") Remove 1 screw and 1 connector [1], remove the Lever path bracket [2]. Fig. 4-57 Remove the lever path home position sensor [3] from the lever path bracket.
  • Page 50 Oki Data CONFIDENTIAL Disassembly and Replacement of motors 4.3.1 Entrance transport motor (M1) Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 2 screws and 1 connector [1], remove the Entrance transport motor [2].
  • Page 51 Oki Data CONFIDENTIAL Remove 5 screws and 2 connectors [2], remove the Guide upper ASSY [3]. Fig. 4-62 Take off the left cover. ( P.4-2 "4.1.3 Left cover") Loosen 1 screw, remove 1 screw and 1 con- nector [4], remove the exit transport motor [5].
  • Page 52 Oki Data CONFIDENTIAL Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 4 screws and 1 connector [3], remove the Guide compile ASSY [4]. Fig. 4-65 Note: Do not forget to install the belt [5]. Fig. 4-66 Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7].
  • Page 53 Oki Data CONFIDENTIAL Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 4 screws and 1 connector [3], remove the Guide compile ASSY [4]. Fig. 4-65 Note: Do not forget to install the belt [5]. Fig. 4-66 Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7].
  • Page 54 Oki Data CONFIDENTIAL Note: Be careful of the hooks [8] during installation. Fig. 4-68 Remove 2 screws and 1 connector [9], remove the alignment motor (R) [10]. [10] Fig. 4-69 4.3.4 Alignment motor (L) (M5) Take off the Guide upper ASSY.
  • Page 55 Oki Data CONFIDENTIAL Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 4 screws and disconnect 1 connec- tor [3] and then take off the Guide compile ASSY [4]. Fig. 4-71 Note: Do not forget to install the belt [5].
  • Page 56 Oki Data CONFIDENTIAL Note: Be careful of the hooks [8] during installation. Fig. 4-74 Remove 2 screws and 1 connector [9], remove the alignment motor (L) [10]. [10] Fig. 4-75 4.3.5 Paddle motor (M3) Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the left cover.
  • Page 57 Oki Data CONFIDENTIAL Note: Do not forget to install the rubber vibration suppressor [3]. Fig. 4-77 4.3.6 Paper support motor (M6) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2].
  • Page 58 Oki Data CONFIDENTIAL Note: Do not forget to install the belt [5]. Fig. 4-80 Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-81 Note: Be careful of the hooks [8] during installation. Fig. 4-82 4-32 / 45372301TH Rev.2...
  • Page 59 Oki Data CONFIDENTIAL Remove 2 screws and take off the Paper support F ASSY [9]. Fig. 4-83 Remove 1 e-ring [10], and remove gear [11]. [11] [10] Fig. 4-84 Remove 3 screws and 1 connector [12], remove the Stacker motor ASSY [13].
  • Page 60 Oki Data CONFIDENTIAL Remove 2 screws and 1 connector [14], remove the Paper support motor [15]. [15] [14] Fig. 4-86 4.3.7 Ejector motor (M7) Take off the Guide upper ASSY. ( P.4-3 "4.2.1 Guide upper ASSY") Remove 2 screws and 2 connectors [1], remove the Stapler [2].
  • Page 61 Oki Data CONFIDENTIAL Note: Do not forget to install the belt [5]. Fig. 4-89 Remove 3 screws and 1 connector [6], remove the Tray compile F ASSY [7]. Fig. 4-90 Note: Be careful of the hooks [8] during installation. Fig. 4-91 4-35 / 45372301TH Rev.2...
  • Page 62 Oki Data CONFIDENTIAL Remove 2 screws and take off the Paper support F ASSY [9]. Fig. 4-92 Remove 3 screws and 2 connectors [10], remove the Ejector motor ASSY [11]. [11] Fig. 4-93 [10] Fig. 4-94 4-36 / 45372301TH Rev.2...
  • Page 63 Oki Data CONFIDENTIAL Remove 2 screws and take off the ejector motor [12]. [12] Fig. 4-95 4.3.8 Stacker motor (M8) Take off the Finisher control PC board ASSY. ( P.4-45 "4.5.1 Finisher control PC board ASSY") Remove 1 e-ring [1], and remove gear [2].
  • Page 64 Oki Data CONFIDENTIAL Remove 2 screws and take off the stacker motor [5]. Fig. 4-98 4.3.9 Lever path motor (M10) Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover")
  • Page 65 Oki Data CONFIDENTIAL Remove 2 screws and 1 connector [4], remove the Lever path motor [5]. Fig. 4-101 4-39 / 45372301TH Rev.2...
  • Page 66 Oki Data CONFIDENTIAL Disassembly and Replacement of transport system 4.4.1 Entrance transport roller Take off the Guide rear ASSY. ( P.4-3 "4.2.2 Guide rear ASSY") Disconnect 1 connector [1] Fig. 4-102 Remove 2 E-ring [2], and take off the trans- port roller [3].
  • Page 67 Oki Data CONFIDENTIAL 4.4.2 Exit Transport roller Take off the Guide rear ASSY. ( P.4-3 "4.2.2 Guide rear ASSY") Disconnect 1 connector [1] Fig. 4-105 Remove 2 E-ring [2], and take off the gear [3]. Fig. 4-106 Remove 2 E-ring [4], and take off the trans- port roller [5].
  • Page 68 Oki Data CONFIDENTIAL Fig. 4-108 4.4.3 Exit roller (PM) Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 5 screws and 2 connectors [1], remove the Guide upper ASSY [2].
  • Page 69 Oki Data CONFIDENTIAL Note: Do not forget to install the belt [5]. Fig. 4-111 Remove 2 E-ring [6], and take off the exit roller [7]. Fig. 4-112 Fig. 4-113 4-43 / 45372301TH Rev.2...
  • Page 70 Oki Data CONFIDENTIAL 4.4.4 Sub paddle Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Take off the left cover. ( P.4-2 "4.1.3 Left cover") Remove 5 screws and 2 connectors [1], remove the Guide upper ASSY [2].
  • Page 71 Oki Data CONFIDENTIAL Remove 2 E-ring [6], and take off the 2 sub paddle [7]. Fig. 4-117 Fig. 4-118 4.4.5 Main paddle (PM) Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Take off the left cover.
  • Page 72 Oki Data CONFIDENTIAL Remove the main paddle [3] with its holder. Fig. 4-120 Fig. 4-121 4.4.6 SCU paddle Remove the SCU paddle [1] with its holder. Fig. 4-122 4-46 / 45372301TH Rev.2...
  • Page 73 Oki Data CONFIDENTIAL Fig. 4-123 4-47 / 45372301TH Rev.2...
  • Page 74 Oki Data CONFIDENTIAL Disassembly and Replacement of Others 4.5.1 Finisher control PC board ASSY Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Remove 3 screws and 13 connectors [1], remove the Finisher control PC board ASSY [2].
  • Page 75 Oki Data CONFIDENTIAL 4.5.3 Stapler Take off the upper cover. ( P.4-1 "4.1.1 Upper cover") Take off the right cover. ( P.4-1 "4.1.2 Right cover") Remove 3 screws and take off the Finisher control PC board ASSY [1]. Fig. 4-126 Remove 2 screws and 2 connectors [1], remove the Stapler [2].
  • Page 76 Oki Data CONFIDENTIAL ADJUSTMENT Stapling Position Misalignment If any stapling position is misaligned, perform adjustment following the procedure below. Remove the Guide upper ASSY.  P.4-3 "4.2.1 Guide upper ASSY" Shift both the side fences: Tamper: Right [1] and Tamper: Left [2] from the side plate to...
  • Page 77 Oki Data CONFIDENTIAL While pushing the paper against the end fence, check that it contacts two points of the side fence: Tamper: Right indicated by the arrows, and then fix it with 1 screw. End fence Fig. 5-3 While pushing the paper against the end fence, check that it contacts two points of the side fence: Tamper: Left indicated by the arrows, and then fix it with 1 screw.
  • Page 78 Oki Data CONFIDENTIAL TROUBLESHOOTING Troubleshooting [EA10] Paper not detected Classification Error content Paper was not detected at the finisher within the set period after the Paper jam in finisher section paper was fed by the main unit. Check item Measures •...
  • Page 79 Oki Data CONFIDENTIAL [EA26] Paper transport jam (stop command request) Classification Error content Main unit requested finisher to stop operating while finisher was feeding Paper jam in finisher section paper. Check item Measures Transport path If there is paper in the paper transport path, remove the paper.
  • Page 80 Oki Data CONFIDENTIAL [EA2B] Paper transport jam (Exit transport sensor) Classification Error content Paper stayed for longer than set period at exit transport sensor while Paper jam in finisher section being transported in finisher transport path. Check item Measures Transport path If there is paper in the paper transport path, remove the paper.
  • Page 81 Oki Data CONFIDENTIAL [EA40] Rear cover open jam Classification Error content Jam occurred because finisher's rear cover was opened while finisher Paper jam in finisher section was transporting paper. Check item Measures Transport path If there is paper in the paper transport path, remove the paper.
  • Page 82 Oki Data CONFIDENTIAL [EAF2] Stapler motor HP abnormality Classification Error content Finisher related service call Stapler motor HP abnormality Check item Measures • Connector check (P9-1) Stapler • Harness check • Motor check (M9) Stapler motor • Connector check (P9-1) •...
  • Page 83 Oki Data CONFIDENTIAL [EAF4] Paper support HP abnormality Classification Error content Finisher related service call Paper support HP abnormality Check item Measures • Sensor check (S6) Paper support home position sensor • Connector check (P7-13) • Harness check • Motor check (M6) Paper support motor •...
  • Page 84 Oki Data CONFIDENTIAL [EAF6] Alignment HP (R) abnormality Classification Error content Finisher related service call Alignment HP (R) abnormality Check item Measures • Sensor check (S4) Alignment plate home position sen- • Connector check (P8-3) sor (R) • Harness check •...
  • Page 85 Oki Data CONFIDENTIAL [EAF8] Stacker motor position detection error Classification Error content Finisher related service call Stacker motor position detection error Check item Measures • Sensor check (S9) Stack home position sensor • Connector check (P7-11) • Harness check •...
  • Page 86 Oki Data CONFIDENTIAL [CB30] Stacker motor abnormality * If [EAF8] occurs two times consecutively, it becomes a [CB30] error. Classification Error content Finisher related service call Stacker motor abnormality Check item Measures • Sensor check (S9) Stack home position sensor •...
  • Page 87 Oki Data CONFIDENTIAL [CB50] Stapler motor HP abnormality * If [EAF2] occurs two times consecutively, it becomes a [CB50] error. Classification Error content Finisher related service call Stapler motor HP abnormality Check item Measures • Connector check (P9-1) Stapler •...
  • Page 88 Oki Data CONFIDENTIAL [CC80] Alignment HP (R) abnormality * If [EAF6] occurs two times consecutively, it becomes a [CC80] error. Classification Error content Finisher related service call Alignment HP (R) abnormality Check item Measures • Sensor check (S4) Alignment plate home position sen- •...
  • Page 89 Oki Data CONFIDENTIAL [CC91] Ejector abnormality * If [EAF3] occurs two times consecutively, it becomes a [CC91] error. Classification Error content Finisher related service call Ejector abnormality Check item Measures • Sensor check (S7) Ejector home position sensor • Connector check (P7-16) •...
  • Page 90 Oki Data CONFIDENTIAL [CC96] Lever path abnormality * If [EAF5] occurs two times consecutively, it becomes a [CC96] error. Classification Error content Finisher related service call Lever path abnormality Check item Measures • Sensor check (S15) Lever path home position sensor •...
  • Page 91 Oki Data CONFIDENTIAL Alarm The CPU on the Finisher control PC board (FIN) is equipped with a self-diagnostic function to check the Finisher condition as needed; when it detects an error, the Finisher transmits the content of the error to the equipment.
  • Page 92 Oki Data CONFIDENTIAL PREVENTIVE MAINTENANCE (PM) / FIRMWARE UPDATE PM Parts • Main paddle (500,000 sheet cycle) • Staple unit: 300,000 operations (equivalent to the life of the staple unit) Consumables and Duration Some components of the units may require replacement once or more over the period of the equipment warranty because of deterioration or damage.
  • Page 93 Oki Data CONFIDENTIAL Grease Name Intended use Components Remarks White grease Lubrication of sliding parts Molykote EM-30L Firmware Update For updating firmware, refer to "FIRMWARE UPDATING" in the Service Manual for MFP. 7-2 / 45372301TH Rev.2...
  • Page 94 Oki Data CONFIDENTIAL ELECTRIC CIRCUIT Harness Diagram [A] Harness Diagram (1) to printer YDH200-18 173977-6 292254-6 + 173977-6 173977-3 STK TOP SNR POWER_GD VCC-R POWER_GD Connect Chk1 173977-3 Send Data( ) FEED IN PATH SNR Signal_GD Receive Data( ) VCC-R 173977-3 R.
  • Page 95 Oki Data CONFIDENTIAL MFP Interface Lever path home position sensor Finisher control PC board SW1 Stacker tray lower limit switch Entrance transport sensor Entrance transport motor Alignment plate home position sensor (L) Exit transport motor Paper support home position sensor...
  • Page 96 Oki Data CONFIDENTIAL [B] Harness Diagram (2) 173977-3 YDH200-12 FEED EXIT SNR VCC-R VCC-R 173977-3 F. JOG HOME SNR VCC-R 173977-3 PADDLE HOME SNR VCC-R PS-187 DOOR I/L SW 24V IN P2-13 24V OUT P2-12 PS-187 173977-3 292254-7 + 179228-7...
  • Page 97 Oki Data CONFIDENTIAL Writing tool for boot mode Communication port for debugging MFP Interface SW2 Door switch 8-4 / 45372301TH Rev.2...
  • Page 98 Oki Data CONFIDENTIAL [B] Circuit Diagram (2) Fig. 8-4 8-5 / 45372301TH Rev.2...
  • Page 99 Oki Data CONFIDENTIAL [C] Circuit Diagram (3) M2 M5 M3 M4 M7 S15 S5 S11-S13 Fig. 8-5 8-6 / 45372301TH Rev.2...
  • Page 100 Oki Data CONFIDENTIAL Entrance transport sensor Lever path home position sensor Exit transport sensor SW1 Stacker tray lower limit switch Paddle home position sensor Entrance transport motor Alignment plate home position sensor (R) Exit transport motor Alignment plate home position sensor (L)
  • Page 101 Oki Data CONFIDENTIAL PC Boards [A] Finisher control PC board Fig. 8-6 8-8 / 45372301TH Rev.2...
  • Page 102 Oki Data CONFIDENTIAL Electric Signals 8.4.1 Finisher section Contents Signal name Connector Remarks Stack home position sensor P7-2 Stack home position sensor (-) P7-4 Stack home position sensor (+) VCC-R P7-6 Entrance transport sensor P7-8 Entrance transport sensor (-) P7-10...
  • Page 103 Oki Data CONFIDENTIAL Contents Signal name Connector Remarks Entrance transport motor Phase A output P5-2 Entrance transport motor Phase /A output P5-4 Entrance transport motor Phase /B output P5-6 Entrance transport motor Phase B output P5-8 Exit transport motor Phase A output...
  • Page 104 Oki Data CONFIDENTIAL Contents Signal name Connector Remarks DC24V P1-1 DC24V P1-2 POWER_GD P1-3 POWER_GD P1-4 DC5V P1-5 Finisher connection Connect Chk1 P1-6 Send Data Send Data P1-7 Signal GND Signal_GD P1-8 Receive_Data Receive_Data P1-9 8-11 / 45372301TH Rev.2...

This manual is also suitable for:

Mb770+Mps5502Mc770Mc780Mps3537Mps4242