Konica Minolta 7415 Service Handbook
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Konica Minolta 7415 Service Handbook

Konica Minolta 7415 Service Handbook

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7415
SERVICE HANDBOOK
INSTRUCTION MANUAL
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN

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Summary of Contents for Konica Minolta 7415

  • Page 1 7415 SERVICE HANDBOOK INSTRUCTION MANUAL KONICA CORPORATION TECHNOLOGY SUPPORT CENTER TOKYO JAPAN...

  • Page 2: Legal Restrictions On Copying

    Legal Restrictions on Copying Certain types of documents must never be copied by the machine for the purpose or with the intent to pass copies of such documents off as the original. The following is not a complete list but is meant to be used as a guide to responsible copying.
  • Page 3 Thank you very much for your purchase of the Konica 7415. This operator’s manual explains how to operate the machine and replenish its supplies. It also gives some troubleshooting tips as well as general precautions to be observed when operating the machine. To ensure the best performance and effective use of your machine, read this manual carefully until you familiarize yourself thoroughly with its operation and features.

  • Page 4: Table Of Contents

    Contents Chapter 1 Safety Notes ................1-1 1. Using This Manual ................1-2 Caution Labels ................1-3 Internal Laser Radiation ............1-4 Laser Safety Label ..............1-4 2. Installing the Copier .................1-5 Power Source ................1-5 Machine Installation ..............1-5 3. Precautions for Routine Handling ............1-7 Chapter 2 Getting to Know Your Machine ..........
  • Page 5 Contents Chapter 5 When an Indicator Lights Up ..........5-1 1. Display Messages ................5-2 2. The Toner Empty Indicator ..............5-4 Chapter 1 How to replace the supply unit ..........5-4 3. Paper Empty Indicator ..............5-6 Safety Notes How to replenish the paper supply ...........5-6 4.

  • Page 6: Terms And Symbols Used

    Terms and Symbols for Original Types and Copy Paper A few special terms and symbols are used in this manual to designate types of originals and copy paper. This page explains about these terms and symbols. Feeding Direction (copy paper path) Paper that has been loaded into the machine will be fed from the right side.

  • Page 7: Chapter 1 Safety Notes

    Chapter 1 Safety Notes...

  • Page 8: Using This Manual

    CAUTION: If the copier develops trouble, contact a Konica representative for service. Do not continue to use the copier when it is in a troubled state. If the safety cautions in the manual become illegible due to soilage, etc., please buy a new copy from your Service Centre.

  • Page 9: Caution Labels

    1. Using This Manual Caution Labels The caution labels are attached to the machine areas, as shown, when you are advised to pay special attention to avoid any dangerous situations or serious injury. CAUTION ATTENTION VORSICHT PRECAUCION ATTENZIONE Température élevée! Heiße Oberfläche! Alta temperatura! High temperature!

  • Page 10: Internal Laser Radiation

    1. Using This Manual Internal Laser Radiation Maximum Radiation Power: 1.03 mW at the laser aperture of the print head unit. Wavelength: 770–810 nm This product employs a Class 3b Laser Diode that emits an invisible laser beam. The Laser Diode and Scanning Polygon Mirror are incorporated in the print head unit. The print head unit is NOT A FIELD SERVICE ITEM.

  • Page 11: Installing The Copier

    2. Installing the Copier Power Source CAUTION: Plug Socket • A plug socket is limited in capacity. Use only a power source with the correct rating for the machine; otherwise, hazardous situations such as smoking or overheating may occur. See the to match the power supply and power consumption: a) 230V/50 Hz: Less than 3.5A b) 230V/60 Hz: Less than 3.5A...
  • Page 12 2. Installing the Copier CAUTION: Temperature and Humidity • Keep away from direct sunlight, heat sources such as stoves, cool air from an air conditioner and hot air from a heater. • Avoid any environment that is outside the range shown below: Temperature: 10–30°C with a fluctuation of up to 10°C per hour.

  • Page 13: Precautions For Routine Handling

    3. Precautions for Routine Handling CAUTION: Actions in Response to Troubles • An Error Code is displayed, stop the operation to prevent any unexpected accident. Write down the Error Code as stated in the display, then switch off the copier and disconnect from the power socket.

  • Page 15: Chapter 2 Getting To Know Your Machine

    Chapter 2 Getting to Know Your Machine...

  • Page 16: The Various Parts Of The Machine

    Secures the original to be copied. C4007O091CA C4007O092CA Memory for Copier (16MB/32MB) <Option> Expands the memory capacity of the machine. Fax Unit for Konica 7415 <Option> Allows the machine to support facsimile functions. Printer Controller IP-412 <Option> Allows the machine to support printer functions.
  • Page 17 1. The Various Parts of the Machine Options C4007O095CA Automatic Document Feeder <Option> Document Guide Plates: Adjusted to the size of the original document. Document Feed Tray: Loaded with the document facing upward. Document Feed Tray Pulled out to support large documents. Extender: Document Exit Tray: Receives the document after it is read by the machine.
  • Page 18 1. The Various Parts of the Machine Parts of the machine and what they do C4007O089CA C4007O097CA Copy Tray: Copies are output into this tray. Paper Tray: Holds up to 250 sheets of paper. Use to feed paper into the machine manually. p. 3-7 Manual Bypass Tray: Use to control copy and other functions of the unit.

  • Page 19: Inside The Machine

    1. The Various Parts of the Machine Inside the Machine C4007O098CA C4007O099CA Lock Release Lever: Pulled when replacing the supply unit or removing paper misfeeds. Original Pad: Secures the original for copying. Original Glass: Original is placed on top of this surface for copying. Upper Half of Machine: Opened under the following circumstances: •...

  • Page 20: The Functions Of The Control Panel

    2. The Functions of the Control Panel Control Panel Start Key Zoom Key • Press to start a copy cycle. • Press to change the zoom ratio. • Use to select the standard zoom ratio. Clear/Stop Key p. 3-12 •...

  • Page 21: Display Panel

    2. The Functions of the Control Panel C4007O001DA Display Panel Add Toner Indicator Indicates that the toner supply is running low. Replace the supply unit. p. 5-4 Add Paper Indicator Indicates that the selected drawer is out of paper. Replenish the paper supply. p.

  • Page 22: Turning The Machine On And Off And Enabling The Initial Mode

    3. Turning the Machine ON and OFF and Enabling the Initial Mode Turning ON and OFF • Turning the Machine ON Press the Power Switch to the (ON) position. • Turning the Machine OFF Press the Power Switch to the (OFF) position.

  • Page 23: Auxiliary Functions

    4. Auxiliary Functions Auto Panel Reset Function The unit automatically returns to the Initial Mode without pressing the Clear/Stop Key one minute after a copy operation has completed or one minute after the last operation key was pressed. Useful Tip The period of time until the Auto Panel Reset Function is released can be changed through the User’s Choice Mode.
  • Page 24 2-10...

  • Page 25: Chapter 3 Making Copies

    Chapter 3 Making Copies...

  • Page 26: How To Copy Documents

    1. How to Copy Documents • Generally, full size copies are reproduced at a zoom ratio of 100%. To make a full-size copy on paper of the same size as the original, set the document (step 1), specify the number of copies to be generated (step 6), and press the Start Key (step 7). (* The default paper tray, zoom ratio and auto exposure settings are automatically selected in the Initial Mode.) •...
  • Page 27 1. How to Copy Documents To change the 4. Selecting the Copy Density exposure level Mode. • Press the Exposure Control • Press the Auto Exposure Mode Keys to specify the desired Key to switch between Auto level of density. p. 3-14 Exposure Mode and Photo Mode.

  • Page 28: Setting The Original Document

    2. Setting the Original Document When using the Automatic Document Feeder With the Automatic Document Feeder, originals placed into the Document Feed Tray are fed in one sheet at a time, copied, then fed out. Please follow the instructions provided when using this device. Failure to follow these instructions may cause a misfeed, damage to the original or other complications.

  • Page 29: Setting The Original Onto The Glass

    2. Setting the Original Document Setting the original onto the glass General Documents Transparent Documents <When setting documents of plain or thick paper <When setting OHP transparencies or tracing types> paper> Open the Original Cover. Follow the same procedure as described for Set the document onto the glass with the side general documents.

  • Page 30: Selecting Paper Trays

    3. Selecting Paper Trays How to select a paper tray Paper trays are selected using the Paper Select Key. You can select from the Paper Drawer, the Paper Feed Unit and the Manual Bypass Tray depending on the configuration of your copy application. C4007O007DA The paper tray options can be selected as follows by pressing the Paper Select Key.

  • Page 31: Using The Manual Bypass Tray

    3. Selecting Paper Trays Using the Manual Bypass Tray Use this tray to copy documents onto paper that is not otherwise loaded into the machine or to copy onto OHP transparencies or specialty paper types. Paper and media supported by the Manual Bypass Tray N Types of Paper Regular paper (60–90 g/m Thick paper (90–163 g/m...
  • Page 32 3. Selecting Paper Trays Loading the paper (standard sizes) Select the proper paper size and type using Set the original document. Keys. Insert the paper as far as possible into the (Example) Regular paper (A4 size) Manual Bypass Tray. Be sure to adjust the Document Guide Plates to fit the paper.
  • Page 33 3. Selecting Paper Trays Loading the paper (non-standard sizes/free sizes) Set the original document. Press the Key or the Key to display “U8”. Insert the paper as far as possible into the Manual Bypass Tray. Be sure to adjust the Document Guide Plates to fit the paper.
  • Page 34 3-10 3. Selecting Paper Trays Press the Key or the Key to Select the Manual Bypass Tray by pressing display the paper length code. Refer to the Paper Select Key. “Manual Feed Input Size” for details. pp. 4-6, 4-7 (Example) Paper Length: 195 mm C4007O014DA Press the...

  • Page 35: Specifying The Number Of Copies

    3-11 4. Specifying the Number of Copies How to specify the number of copies to be generated The number of copies to be generated can be specified by using the Key and Key. Each press of the Key increases the number value by one. Each press of the Key increases the number value by 10.

  • Page 36: Specifying The Zoom Ratio

    3-12 5. Specifying the Zoom Ratio How to specify the zoom ratio The zoom ratio can be specified by pressing the Zoom Key. There are two modes to choose from: Standard Copy Zoom and Manual Zoom Select. C4007O017DA Standard Copy Zoom Mode With this mode, the most often used preset zoom settings can be selected.
  • Page 37 3-13 5. Specifying the Zoom Ratio Manual Copy Zoom Settings The zoom ratio can be adjusted in single increments with each press of the Keys. (Range: 50–199 %) Press and hold a Key to rapidly change the zoom ratio. Press the Zoom Key to enter the Copy Zoom Setting Mode.

  • Page 38: Selecting The Copy Image Density Mode

    3-14 6. Selecting the Copy Image Density Mode How to select the copy image density The copy image density can be selected by pressing the Auto Exposure Mode Key and the Image Density Key. There are three modes to choose from: Auto Exposure, Manual Exposure and the Photo. C4007O016DA Auto Exposure Mode Manual Exposure Mode...

  • Page 39: Photo Mode

    3-15 6. Selecting the Copy Image Density Mode Photo Mode Photo Mode is used for copying documents Useful Tips containing halftones such as photos. This mode • Both the Manual Exposure Mode and the allows you to select from nine levels of exposure. Photo Mode allow you to select from nine levels of exposure.

  • Page 40: Selecting The Function Mode

    3-16 7. Selecting the Function Mode How to select the Function Mode The Function Mode can be selected by pressing the Copies/Function Key. There are four modes to choose from: Non-Sort Mode, 2in1 Non-Sort Mode, Sort Mode and 2in1 Sort Mode.
  • Page 41 3-17 7. Selecting the Function Mode F1: Non-Sort This mode outputs copies of original documents Copies just as they are loaded into the machine. Originals C4007O132CA F2: 2in1 Non-Sort (Requires installation of expansion memory) Copies two original documents onto one sheet of Copies paper and outputs the results in the same order as they were loaded into the machine.
  • Page 42 3-18 7. Selecting the Function Mode F4: 2in1 Sort (Requires installation of the Automatic Document Feeder and expansion memory) Copies two original documents onto one sheet of Copies paper and automatically outputs them into complete sets. Originals C4007O135CA Useful Tip The Initial Mode’s default setting when the Automatic Document Feeder and Expansion Memory are installed is the Sort Mode.

  • Page 43: Notes For Using The Function Mode

    3-19 7. Selecting the Function Mode Notes for using the Function Mode The Function Mode Indicator • The Function Mode indicator will become lit when settings other than the Initial Mode are selected. • The Zoom indicator will become lit and the zoom ratio will automatically be decreased when F2 (2in1 Non-Sort) or F4 (2in1 Sort) are selected.
  • Page 44 3-20...

  • Page 45: Chapter 4 Using The User's Choice Mode

    Chapter 4 Using the User’s Choice Mode...

  • Page 46: The Total Check Function

    1. The Total Check Function How to read the Total Check Function displays This machine can keep a count of the number of copies that it has generated since it was first set up. N Total Count Shows the total number of copies since the machine was installed. N PM Count Shows the number of copies taken since the last replacement of PM parts.
  • Page 47 1. The Total Check Function How to select a Total Check Function Press and hold the Clear/Stop Key for three seconds. The Total Count will be displayed. C4007O075CA Press and hold the Clear/Stop Key again, for three seconds, to display the PM Count. C4007O076CA Press the Clear/Stop Key to return to the previous status mode.

  • Page 48: User's Choice Mode

    2. User’s Choice Mode This mode allows you to determine the default settings for functions that are activated when the main power switch is turned on or the panel is reset with the Auto Panel Reset Function. The User’s Choice Mode is used to program the most commonly used settings of the machine into the Initial Mode.
  • Page 49 2. User’s Choice Mode U3: Disable Sleep Function Completely disables the Sleep Function Mode. Code Setting Default Turns OFF the Disable Sleep Function Mode. Enables the Disable Sleep Function Mode. U4: Exposure Mode Priority Allows you to select the optimal exposure mode or the Photo Mode from the Initial Mode. Code Setting Default...
  • Page 50 2. User’s Choice Mode U7: Paper Size Select Allows you to assign a particular paper size to the paper tray. Code Setting Default A4 R A5 R U8: Manual Feed Input Size Allows you to specify a paper size when loading non-standard size paper into the Manual Bypass Tray. <Paper Width>...
  • Page 51 2. User’s Choice Mode <Paper Length> Code Setting Default 182–184 mm (7-1/4") 185–194 mm (7-1/4"–7-3/4") 195–204 mm (7-3/4"–8") 205–214 mm (8"–8-1/2") 215–224 mm (8-1/2"–8-3/4") 225–234 mm (8-3/4"–9-1/4") 235–244 mm (9-1/4"–9-1/2") 245–254 mm (9-3/4"–10") 255–264 mm (10"–10-1/2") 265–274 mm (10-1/2"–10-3/4") 275–284 mm (10-3/4"–11-1/4") 285–294 mm (11-1/4"–11-1/2") 295–304 mm (11-1/2"–12") 305–314 mm (12"–12-1/4")
  • Page 52 2. User’s Choice Mode U9: Density (Automatic Document Feeder) Allows you to specify the density level when an original document is set into the Automatic Document Feeder. Code Setting Default Recommended for general copying purposes (text documents). Recommended when copying lighter or faded original documents.
  • Page 53 2. User’s Choice Mode UC: Tray Priority (for Printer Mode) Allows you to set the prioritized tray for feeding paper into the machine when outputting documents from a personal computer. Code Setting Default Auto Select Paper Tray Paper Feed Unit * This function is displayed only when the Print Controller is installed.
  • Page 54 4-10 2. User’s Choice Mode How to select User’s Choice Settings Press the Start Key. The currently selected Press and hold the Exposure Control Key User’s Choice Code will be displayed. (Lighter) for three seconds to enter the User’s Choice Mode. “U1” will be displayed. C4007O077CA C4007O072CA Display the desired User’s Choice Code...
  • Page 55 4-11 2. User’s Choice Mode Press the Clear/Stop Key to return to the previous status mode. C4007O073CA * The User’s Choice Mode will be cancelled and the previous status mode will be enabled.
  • Page 56 4-12...

  • Page 57: Chapter 5 When An Indicator Lights Up

    Chapter 5 When an Indicator Lights Up...

  • Page 58: Display Messages

    1. Display Messages Error Indicator Cause Response Toner Empty The toner supply inside of the Replace the supply unit using the supply unit has been depleted. procedure provided. p. 5-4 C4007O039CA Paper Empty The paper supply has been Replenish the paper supply using depleted.
  • Page 59 1. Display Messages Error Indicator Cause Response An internal error has occurred. Reset the machine using the procedure provided. p. 5-12 C4007O026CA Cover Open The Upper Half of the Machine is Make sure that the Upper Half of open. the Machine is securely closed. C4007O027CA The Automatic Document Feeder Make sure that the Automatic...

  • Page 60: The Toner Empty Indicator

    2. The Toner Empty Indicator The error indicator displayed here will appear when the toner supply inside of the supply unit has been depleted. The machine will not be operable under these circumstances. Follow the procedure provided below to replace the supply unit when this indicator is displayed.
  • Page 61 2. The Toner Empty Indicator Useful Tip The supply unit can easily be installed by aligning the front of the unit with the marker provided within the machine. C4007O113CA Gently swing down and lock the Upper Half of Machine. Then, close the Front Door. C4007O114CA NOTE Only use replacement supply unit that were...

  • Page 62: Paper Empty Indicator

    3. Paper Empty Indicator The error indicator displayed here will appear when the paper supply inside of the machine has been depleted. The machine will not be operable under these circumstances. Follow the procedure provided below to replenish the paper supply when this indicator is displayed. C4007O037CA How to replenish the paper supply Paper Tray...

  • Page 63: Paper Feed Unit

    3. Paper Empty Indicator Paper Feed Unit Gently slide the Paper Drawer back in. Slide out the Paper Drawer and press down the Paper Lifting Plate. C4007O121CA C4007O141CA NOTE Load the paper stack into the Paper Drawer The following indicator will appear in the so that its front side faces down.

  • Page 64: Paper Misfeed Indicators

    4. Paper Misfeed Indicators If a paper misfeed occurs, the machine will stop PC Indicator operating, the letter “J” will flash alternately with a number or the “PC” indicator will flash. C4007O015CA J Indicator Example: The J2 indicator (Flashing alternately) C4007O013CA C4007O014CA Clearing paper misfeeds...
  • Page 65 4. Paper Misfeed Indicators J2/J3 <Paper Feed Unit> NOTE Be careful not to touch the areas marked Press in the tray stoppers, and then remove with bare hands. CAUTION: HOT the Paper Drawer. Pull the Lock Release Lever and open the Upper Half of Machine.
  • Page 66 5-10 4. Paper Misfeed Indicators Remove the misfed sheet of paper. Close the Upper Half of Machine. C4007O123CA Remove a misfed sheet of paper jammed in C4007O114CA the Transport Section by pulling it from the NOTE bottom of the Fusing Unit. The following indicator will appear in the display after clearing the paper misfeed: C4007O017CA...
  • Page 67 5-11 4. Paper Misfeed Indicators Place the original document that was Remove the original document from the removed in step 1 into the Automatic Document Feed Tray. Document Feeder again. C4007O125CA Open the Paper Misfeed Guide and gently C4007O127CA remove the paper misfeed. NOTE The following indicator will appear in the display after clearing the paper misfeed:...

  • Page 68: Trouble Indicator

    5-12 5. Trouble Indicator If an error occurs within the machine, a “CXXXX” trouble code appears in the display. How to reset the machine Press the Power Switch to turn the machine off, then on again. * Should a “CXXXX” trouble code continue to appear in the display after resetting the machine, please contact your Service Centre.

  • Page 69: Chapter 6 Troubleshooting

    Chapter 6 Troubleshooting...

  • Page 70: Improving Image Quality

    1. Improving Image Quality Symptom Possible Cause Action The image is too light. A “lighter” exposure level for the Adjust the Auto Exposure Level Auto Exposure Mode has been Priority of the User’s Choice Mode. p. 4-5 specified. Or, disable the Auto Exposure Mode and adjust settings manually through the Manual Exposure Mode.
  • Page 71 1. Improving Image Quality Symptom Possible Cause Action Unintended markings appear The Original Pad is dirty. Wipe the Original Pad clean with a soft cloth. p. 7-4 along the edges of the copy. The selected paper size is larger Specify a paper size that is appropriate to the original than the original document (zoom...

  • Page 72: Correcting Functional Problems

    2. Correcting Functional Problems Symptom Check for: Actions Nothing is displayed on the Does the green light in the Start The Sleep Function has been Control Panel. Key turn on? enabled. Press the Start Key to disable this mode. Nothing happens when the Start Has an Error or Trouble Indicator Follow the procedures provided.

  • Page 73: Chapter 7 Miscellaneous

    Chapter 7 Miscellaneous...

  • Page 74: Specifications

    1. Specifications Machine Model name Konica 7415 Type Desktop Platen Type Stationary Photoconductor Copying System Electrostatic Dry Powdered Image Transfer Developing System Fine Micro-Toning System Fusing System Lamp-Heater Roller Document Reader CCD Line Sensor 600 × 600dpi Resolution Memory 8MB (Standard)

  • Page 75: Automatic Document Feeder

    1. Specifications Automatic Document Feeder Original Documents Plain Paper (50–110 g/m Original Sizes A4 R–A5 R Capacity Up to 50 sheets × × Dimensions Width 552 mm Depth 397 mm Height 161 mm Weight 4.0 kg Paper Feed Unit Paper Type Plain Paper (60–90 g/m Paper Size A4 R...

  • Page 76: Care And Maintenance

    2. Care and Maintenance Cleaning Outer Cover Original Pad Wipe the exterior surface of the machine clean Open the Original Cover. with a soft cloth. Wipe the surface of the Original Pad clean with a soft cloth dampened with a mild home detergent.

  • Page 77: Paper Size And Zoom Ratio Table

    3. Paper Size and Zoom Ratio Table Paper Size Name Size (Metric) Size (Inch) 210 mm × 297 mm 8-1/4 × 11-3/4 148 mm × 210 mm 5-3/4 × 8-1/4 105 mm × 148 mm 4-1/4 × 5-3/4 182 mm × 257 mm 7-1/4 ×...
  • Page 78 3. Paper Size and Zoom Ratio Table...

  • Page 79: Appendix Index

    Appendix Index...
  • Page 80 Index Numerics 2 in 1 Copying pp. 3-16, 3-17, 3-18 OHP pp. 3-5, 3-7 Options p. 2-3 Add toner pp. 5-4, 5-5 Adding paper pp. 5-6, 5-7 Paper sizes pp. 3-4, 3-7 Auto Exposure Level Priority pp. 4-4, 4-5 Photo Mode p. 3-15 Auto Exposure Mode Key pp.

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