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Oki MY-1040 Maintenance Manual
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Oki MY-1040 Maintenance Manual

Oki MY-1040 Maintenance Manual

Paper feed unit
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Paper Feed Unit
MY-1040
Maintenance Manual
060114A

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Summary of Contents for Oki MY-1040

  • Page 1 Paper Feed Unit MY-1040 Maintenance Manual 060114A...
  • Page 2 Trademarks • Molykote is a registered trademark of Dow Corning Corporation. • Other company names and product names in this manual are the trademarks of their respective companies.
  • Page 3 General Precautions for Installation/Servicing/Maintenance for this equipment The installation and service shall be done by a qualified service technician. 1. When installing this equipment to the MFP, be sure to follow the instructions described in the “Unpacking/Set-Up Procedure for this equipment” booklet which comes with each unit of this equipment.
  • Page 5 CONTENTS MY-1040 1. SPECIFICATION ......................1-1 2. GENERAL DESCRIPTION.................... 2-1 Main Components ......................2-1 Sectional View........................2-2 Electric Parts Layout ......................2-3 Symbols and Functions of Various Components .............. 2-4 Diagram of Signal Blocks ....................2-5 3. DESCRIPTION OF OPERATIONS ................3-1 Outline..........................
  • Page 7 Paper height 60.5 mm (Approx. 550 sheets) Dimensions: 575 (W) x 583 (D) x 163 (H) mm (Protrusions excluded) Weight: Approx. 9.6 kg Power supply: 5 V DC, 24 V DC (Supplied from MFP) 100 V AC (Damp heater) MY-1040 SPECIFICATION 1 - 1...
  • Page 9 GENERAL DESCRIPTION Main Components Fig. 2-1 [1] Drawer [2] Drawer tray [3] Jam access cover [4] Gear [5] Damp heater (Option) MY-1040 GENERAL DESCRIPTION 2 - 1...
  • Page 10 Fig. 2-2 Drawer Paper empty sensor Pickup roller Feed roller Paper feed sensor Transport roller Jam access cover opening/closing switch Paper length detection switch Paper width detection switch Drawer paper stock sensor Separation roller MY-1040 GENERAL DESCRIPTION 2 - 2...
  • Page 11 Electric Parts Layout CLT2 CLT3 CLT1 Fig. 2-3 MY-1040 GENERAL DESCRIPTION 2 - 3...
  • Page 12 / feed roller CLT2 Transport clutch (H) Driving the feed roller (High speed) CLT3 Transport clutch (L) Driving the feed roller (Low speed) Damp heater (Option) Preventing condensation inside the drawer MY-1040 GENERAL DESCRIPTION 2 - 4...
  • Page 13 Drawer detection switch ( SW1 ) CST2SW Jam access cover opening/closing switch ( SW2 ) FDJAM Paper width detection switch ( SW3 ) CSTSIZEW Paper length detection switch ( SW4 ) CSTSIZEL DC 24V DC 5V PFUCNT Fig. 2-4 MY-1040 GENERAL DESCRIPTION 2 - 5...
  • Page 14 MY-1040 GENERAL DESCRIPTION 2 - 6...
  • Page 15 DESCRIPTION OF OPERATIONS Outline The PFU is an additional paper feed unit and installed under the standard drawer (in the MFP). The PFU consists of 1 drawer, 4 sensors, 4 switches and 3 magnetic clutches. MY-1040 DESCRIPTION OF OPERATIONS 3 - 1...
  • Page 16 Paper is picked up by the movement of the feed clutch. When the pickup clutch is turned ON, the pickup roller and feed roller rotate, and the paper is picked up from the drawer. The paper is separated by the separation roller. MY-1040 DESCRIPTION OF OPERATIONS 3 - 2...
  • Page 17 High speed transportation is also performed when the paper is transported from the PFP to the registration position. (When the PFP is connected) MY-1040 DESCRIPTION OF OPERATIONS 3 - 3...
  • Page 18 MY-1040 DESCRIPTION OF OPERATIONS 3 - 4...
  • Page 19 Pull out the drawer. Turn the lock lever clockwise and pull out the drawer feeding unit. Note: When installing the drawer feeding unit, align its arrow with the guide and insert it. Fig. 4-2 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 1...
  • Page 20 Fig. 4-4 Drive unit Remove the rear cover.  P.4-1 "4.1 Rear cover" Disconnect 1 connector [1]. Remove 4 screws [2] and take off the drive unit while pressing the gear [3]. Fig. 4-5 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 2...
  • Page 21 Fig. 4-7 Remove 1 bushing, 2 clips, 1 gear, 1 pin, and then take off the feed clutch. Note: Make sure that the direction of the clips is correct when attaching them. Fig. 4-8 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 3...
  • Page 22 [3], and then take off the cover [4]. Fig. 4-9 Remove 1 clip, 1 gear, 1 pin and 1 bushing. Fig. 4-10 Take off the transport clutches (high/low speed) while pulling out the shaft. Fig. 4-11 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 4...
  • Page 23 Note: Be sure not to catch the harness when the tray-up motor unit is installed. Fig. 4-13 Release 4 latches and take off the cover. Fig. 4-14 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 5...
  • Page 24  P.4-1 "4.2 Drawer feeding unit" Remove the tray-up motor unit.  P.4-5 "4.8 Tray-up motor unit" Disconnect 1 connector. Fig. 4-16 Release 1 latch and take off the sensor holder on the front side. Fig. 4-17 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 6...
  • Page 25 4.11 Paper width detection switch / Paper length detection switch Remove the rear cover.  P.4-1 "4.1 Rear cover" Remove 1 spring [1] and disconnect 2 connectors [2]. Fig. 4-19 Release the latch and take off the switch holder [3]. Fig. 4-20 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 7...
  • Page 26 Fig. 4-22 4.13 Jam access cover opening/closing switch Remove the jam access cover.  P.4-8 "4.12 Jam access cover" Remove 5 screws and take off the guide [1]. Fig. 4-23 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 8...
  • Page 27 Remove 3 screws and take off the cover [1]. Note: Be sure to take off the cover carefully, since the internal spring is subject to pressure and will come off with great force. Fig. 4-26 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 9...
  • Page 28 Pull out the drawer. Remove 2 screws. Fig. 4-28 Slide the damp heater [1] to the feed side. Disconnect 1 connector [2] and take off the damp heater. Fig. 4-29 MY-1040 DISASSEMBLY AND ASSEMBLY 4 - 10...
  • Page 29 ADJUSTMENT The PFU is not adjusted for itself. MY-1040 ADJUSTMENT 5 - 1...
  • Page 30 MY-1040 ADJUSTMENT 5 - 2...
  • Page 31 Multiple sheets of paper are fed in one go. Next Step Check Item Result Measure Step Is the paper damp? Replace the paper. Is the paper separation roller Fix or replace the paper separation roller. deformed? Fan the paper and load it again. MY-1040 TROUBLESHOOTING 6 - 1...
  • Page 32 Paper feeding system related service The PFU does not operate. call Next Step Check Item Result Measure Step Check if the connection with the equipment is normal. Connect the connector correctly or replace the harnesses. MY-1040 TROUBLESHOOTING 6 - 2...
  • Page 33 Page-Item (P-I) is described in the column of the Parts list. Lubrication/ Replacement Operation Parts list Items to check Cleaning Remarks Coating (x 1,000 sheets) check <P-I> Pickup roller 5-26 Feed roller 5-26 Separation roller 5-30 Transport roller Guides 4-23 Paper feed sensor 4-1, 4-11 MY-1040 MAINTENANCE 7 - 1...
  • Page 34 MY-1040 MAINTENANCE 7 - 2...
  • Page 35 PFPCLK DRV7 DRV6 DRV5 DRV4 DRV3 DRV2 DRV1 DRV0 CLKB SIOCK SIOLD SIODI PFPRST PFPFED2 PFPFED1 PFPSIDECOV SIZE [0] SIZE [1] SIZE [2] SIZE [3] SCSWC-0 SCSWB-0 PFPPLL- 0 +24V +24V HRNS-PFC-PFP-570 Fig. 8-1 MY-1040 HARNESS DIAGRAM 8 - 1...
  • Page 36 MY-1040 HARNESS DIAGRAM 8 - 2...