Download
Share
Print this page
Pantum M7300 Series Maintenance Manual
  1. Manuals
  2. Brands
  3. Pantum Manuals
  4. All in One Printer
  5. M7300 Series
  6. Maintenance manual
Pantum M7300 Series Maintenance Manual

Pantum M7300 Series Maintenance Manual

Multi-functional laser printer
Hide thumbs Also See for M7300 Series:

Advertisement

Quick Links

Download this manual
Maintenance
Manual
`````````````````````````````````````````````````````````````````````````````````````````````````````````````

Advertisement

loading
Need help?

Need help?

Do you have a question about the M7300 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Pantum M7300 Series

Summary of Contents for Pantum M7300 Series

  • Page 1 Maintenance Manual `````````````````````````````````````````````````````````````````````````````````````````````````````````````...
  • Page 2 Maintenance Manual of Pantum Multi-functional Laser Printer Product model: M7300 Series...

  • Page 3: Legal Notice

    Version: V 1.0 Disclaimer For a better user experience, Zhuhai Pantum Electronics Co., Ltd. reserves the right to make changes to the User Guide without notice. Users are responsible for any damage arising from failing to follow this User Guide. Meanwhile, except the express warranty made in the product maintenance manual or service commitment, Zhuhai Pantum Electronics Co., Ltd.

  • Page 4: Safety Information

    Safety Information Please carefully read and understand the following safety and precautions prior to maintenance. Key Precautions As the product may be damaged by the maintenance of non-professionals, the Company strongly recommends the maintenance by technical staff trained by the company. The user must bear the risks of personal injury and damage to the product while repairing the product or parts in this manual.

  • Page 5: Where To Install

    Where to Install Install the printer on a flat and secure surface where vibration and impact does not occur easily, such as the tabletop. Keep the printer near the standard and grounded power socket. In addition, the temperature of the installation location should be 10°C to 35°C, and the relative humidity should be 20% to 80%.

  • Page 6: Laser Safety

    Laser Safety Laser radiation is harmful to the human body. To avoid laser radiation, please do not randomly disassemble the printer! The printer follows the provisions of Class 1 laser products under CFR standard. It has a Class IIIb laser diode, which has no laser radiation leakage among laser components. The following label is attached to the laser components inside the printer:...

  • Page 7: Legal Information

    These directives cover the protection requirements of the electromagnetic compatibility and electrical equipment safety (used within the specific voltage range). Manufacturer: Zhuhai Pantum Electronics Co., Ltd., Central Zone A, 3 Floor, Building 01, 3883#, Zhuhai Road, Zhuhai City, P.R.C. For the statements o compliance with these directives, please contact the authorized representative.
  • Page 8 failure, crushing, heating or incineration. 2. Keep the battery out of reach of children to prevent swallowing.

  • Page 9: Table Of Contents

    Table of Contents Product Introduction........................ 1 Driver Installation and Uninstallation..................1 Driver Installation based on Windows System...............2 2.1.1 Installation via USB connection................. 2 2.1.2 Installation via wired network connection............2 2.1.3 Installation by wireless network connection mode (Wi-Fi)....... 4 2.1.3.1 Installation in basic structure mode............4 2.1.3.2 Installation in Wi-Fi Direct mode...............7 2.1.4...
  • Page 10 6.2.7 ADF/scanner assembly..................26 6.2.8 ADF motor......................27 6.2.9 Scanner cover assembly..................28 6.2.10 CIS........................29 6.2.11 Scanner motor....................30 6.2.12 Control panel assembly..................31 6.2.13 Fax substrate..................... 31 6.2.14 Upper cover component..................32 6.2.15 Transfer roll.......................33 6.2.16 Paper-feeding roll assembly................33 6.2.17 Paper sensor substrate..................33 6.2.18 Chip adapter substrate..................34 6.2.19...
  • Page 11 8.6.2.3 Copy failure....................72 Image Defects....................... 73 8.7.1 Printing......................73 8.7.2 Scanning and copying..................76 Appendix 1 Perimeters of Printer Rolls...................77 Appendix 2 Description of Product Series Number............... 78 Appendix 3 Explanation of Special Terms in the Manual.............79...

  • Page 12: Product Introduction

    Product Introduction Product Parameters M7300FDN series M7300FDW series ● ● ● ● Interface type ● Wi-Fi Print Language ● ● Control panel ● ● 30ppm ● ● 33ppm Print speed 32ppm Letter ● ● 35ppm Automatic two-sided printing ● ● Auto Duplex Scan ●...

  • Page 13: Driver Installation Based On Windows System

    2.1 Driver Installation based on Windows System 2.1.1 Installation via USB connection 1. Connect the printer to a computer with USB cable, and then turn power on. 2. Insert the enclosed CD in the CD driver of computer, and operate Autorun.exe installation program.
  • Page 14 3. The installation program starts to search for the printer automatically, and it may take a while. After searching is finished, select the printer to be connected, and click “Next”. Note: • If the printer you need to connect is not in the list of printers searched, please click “Refresh” to search again.

  • Page 15: Installation By Wireless Network Connection Mode (Wi-Fi)

    in about 3s. 2.1.3 Installation by wireless network connection mode (Wi-Fi) The wireless network connection type is divided into basic structure mode and Wi-Fi Direct mode. 2.1.3.1 Installation in basic structure mode 1. Connect the computer to access point (wireless router). Connect the printer to computer with USB cable, and then turn power on.
  • Page 16 4. Input the network name SSID (distinguish the upper and lower cases of SSID) of the access point (wireless router), and click “Next”. Notes: If you do not know the network name (SSID) of the access point (wireless router), click “Print Wireless Network Information Page”...
  • Page 17 6. After wireless network setup succeeds, the installation program will search for printer automatically, and it may take a while. 7. Select the printer to be connected, and click “Next”. Notes: ·If the printer you need to connect is not in the list of printers searched, please click “Refresh” to search again.

  • Page 18: Installation In Wi-Fi Direct Mode

    2.1.3.2 Installation in Wi-Fi Direct mode Press “Menu” - “Network Information” - “Wi-Fi Direct Information” on the control panel of the printer, and view the network name and password. Turn on the power of the printer. Turn on computer or mobile device with the wireless network function, select the name of Wi-Fi direct network of the printer, input the password, and connect the Wi-Fi direct network of the printer.

  • Page 19: Driver Uninstallation

    1. Click the “Start” menu of the computer and then “All programs”. 2. Click “Pantum” and then “Pantum X Series”. “X” in Pantum X Series represents the product model. 3. Click “Uninstall” and delete the driver according to the instructions on the uninstalling window.

  • Page 20: Driver Installation Based On Mac System

    1. Turn on the power of printer and computer. 2. Insert the CD companying with the printer in the CD driver of your computer, and double click the “Pantum X Series” installation package (X in Pantum X Series represents the product model) 3.

  • Page 21: Add Printer To Mac System

    8. Click “Continue Installation” on the prompt window popping out. 9. The system will finish driver installation automatically. • If the USB cable is used to connect the computer and Wi-Fi model, the window to prompt wireless network setup will pop out during the driver installation process, as shown in the diagram above.

  • Page 22: Add In Wired Network Connection Mode

    Note: • In case of basic structure mode, connect the wireless network printer to access point (wireless router). Select the Wi-Fi configuration tool connection: click “Go to” – “Application Programs” “Pantum” - “Utilities”－“Wireless Network Configuration Tool” of the computer. • In case of Wi-Fi Direct mode, connect the wireless client to wireless network printer directly (refer Article 1 and 2 of 2.1.3.2 Wi-Fi Direct mode...

  • Page 23: Add Airprint Printer

    5. Select the printer. Then select the corresponding printer model from the “Use” menu popping out. 6. Click “Add”. Add AirPrint printer 2.2.2.4 1. Turn on the power of the printer and computer. 2. Make sure that the connection between the printer and computer is set up (USB connection or network connection).
  • Page 24 6. Click “Add” Note: • If the printer is connected to computer with USB cable, the system will recognize and add AirPrint printer automatically. • If AirPrint printer of network connection is added, the connecting USB cable should be disconnected first before adding the printer. Page: 13...

  • Page 25: Printer Information Report

    Printer Information Report 3.1 Information Report Printing 1. Click “ ” button in control panel to enter “Menu setting” interface. 2.Click and select “Info. report” to enter Info. report print, thus you can print product report as required. Product reports that could be printed include Demo page, information page, menu structure page, network configuration, e-mail address, group e-mail, FT address and Wi-Fi hotspot.
  • Page 26 Toner cartridge and drum unit information (the printed pages are the actually printed pages instead of theoretical pages within the calculated service life) Total pages printed actually Network Configuration Information Page Page: 15...
  • Page 27 IP information Page: 16...

  • Page 28: Restoration Of Factory Settings

    Restoration of Factory Settings “Restore default settings” is applied to restore the default settings of the printer. After the default settings are restored, the printer will be automatically restarted. 4.1 Restore factory settings with menu 1. Click “ ” button in control panel to enter “Menu setting” interface. 2.

  • Page 29: Operating Principle

    Operating Principle 5.1 Overall Structural Diagram Page: 18...

  • Page 30: Component Structure Diagrams

    5.2 Component Structure Diagrams ADF assembly Panel assembly Scanner assembly cover Rear cover assembly Right Feed-out assembly cover Duplex printing unit Fuser Laser unit 器 Drive Data substrate assembly Paper tray stopper Toner cartridge (toner cartridge and drum component) High voltage substrate Power substrate Left cover...

  • Page 31: Mechanical Devices

    5.3 Mechanical Devices Name Electromagnet Separating roll Paper-feeding roll assembly Secondary conveying roll Guide roll Toner-feeding roll Developing roll OPC photosensitive drum Charging roll LSU laser unit Conveying roll of duplex printing unit Transfer roll Motor assembly Pressing roll Heating roll Feed-out roll ADF paper-feeding roll ADF feed-out guide wheel...

  • Page 32: Paper Path

    5.4 Paper Path 5.4.1 ADF Paper Routine Diagram 5.4.2 Paper Routine Diagram of Printer Page: 21...

  • Page 33: Disassembly And Installation

    Disassembly and Installation 6.1 Disassembly Flowchart 6.2 Disassembly Steps 6.2.1 Before disassembly Before disassembly, shut down the power of the printer, and pull out the power cord, USB Page: 22...
  • Page 34 cable and network cable. Remove the toner cartridge. Note: Package the toner cartridge with black tapes to prevent the photosensitive drum from being damage as a result of exposure. Remove the paper tray. Page: 23...

  • Page 35: Front Cover

    Remove the duplex printing unit. 6.2.2 Front cover Remove the front cover connecting rod with forceps, and push the front cover out of the buckle, using the palm. Connecting rod 6.2.3 Rear cover Open the rear cover, and push it out of the buckle, using the palm. Page: 24...

  • Page 36: Left Cover

    6.2.4 Left cover Remove the front cover and rear cover, pry four buckles of the left cover, and remove the left cover. 6.2.5 Right cover Remove the front cover and rear cover, pry four buckles of the right cover, and remove the right cover.

  • Page 37: Adf/Scanner Assembly

    Snap Bearing buckler 3. Push the paper-feeding roll sleeve right with the slotted screwdriver and take out the paper-feeding roll assembly. 6.2.7 ADF/scanner assembly 1. Remove the front cover, back cover, left cover and right cover, pull out five harnesses of the left data board connected to the scanner assembly, and remove one ground screw.

  • Page 38: Adf Motor

    pry out the upper side cover with the slotted screwdriver. 4. Hold the scanner/ADF assembly by hand, remove the scanner harness, and vertically pull out the scanning assembly. 6.2.8 ADF motor 1. Remove the ADF/scanner assembly and four screws at the bottom of ADF. Then remove the ADF tray assembly by means of pulling it up.

  • Page 39: Scanner Cover Assembly

    6.2.9 ADF component CIS 1. Remove the ADF transport unit and remove the 4 screws on both ends of the ADF. 2. Remove the ADF assembly CIS (1.Disengage the side jaws; 2.Disengage the other side cable; 3.Remove the CIS) 6.2.10 Scanner cover assembly 3.

  • Page 40: Cis

    5. Remove ADF by pulling it up. 6. Pry out the bucklers (just into the corresponding holes of the jaws, and keep the tweezers in the first position while conduct prying in other positions) with two slotted screwdrivers or tweezers, and remove the scanner cover assembly. ⑦...

  • Page 41: Scanner Motor

    2. Pull out the CIS harness. Make CIS upright and take it out through the right side (do not directly touch the CIS luminous tube while replacing CIS, in order to avoid abnormality of the scanned image). 6.2.12 Scanner motor 1.

  • Page 42: Control Panel Assembly

    3. Remove the two screws and take out the motor assembly. Then remove two motor screws and scanner motor. 6.2.13 Control panel assembly Remove the upper side cover of the scanner. Unplug the control panel harness, remove two screws, and take out the control panel. 6.2.14 Fax substrate 1.

  • Page 43: Upper Cover Component

    2. Make the left boss inverted, remove the two screws, and take out the fax substrate assembly. Shake the sheet metal to this side 6.2.15 Upper cover component Pull out the left and right harnesses in Figure I. Remove two screws in Figure II and take out the upper cover component.

  • Page 44: Transfer Roll

    6.2.16 Transfer roll Open the front cover, pull out the clamping jaw at the right end of the transfer roll, remove the bushing at the right end of the transfer roll, and then remove the transfer roll. Note: Do not directly touch the sponge of the transfer roll by handle while removing the transfer roll, in order to avoid printing abnormality.

  • Page 45: Chip Adapter Substrate

    substrate, and then remove the paper sensor substrate. 6.2.19 Chip adapter substrate After removing the top cover, remove the substrate screw and plug, and take out the chip adapter substrate. 6.2.20 Front-end sensor substrate Pull out the paper tray and duplex printing unit, remove two screws of the cover (at the bottom of the printer), and take out the cover.

  • Page 46: High Voltage Substrate

    Note: For the WiFi type printer, remove the top cover, lift the buckle of WiFi antenna, and take out the WiFi antenna. 2. Remove the four screws and data substrate. 6.2.22 High voltage substrate Remove the front cover and rear cover, and pull out six harness plugs of the high-voltage substrate (Figure 1).

  • Page 47: Power Substrate

    Note: You can see four conductive springs (easy to fall) after removing the engine substrate. Keep them properly, and install them in the correct positions. Among the four conductive springs, the one at the bottom is different from the other three. 6.2.23 Power substrate Remove the front cover and rear cover, and pull out two plugs of the power substrate.

  • Page 48: Fuser

    Harness plug 6.2.25 Fuser 1. Remove the front cover, rear cover, left cover and right cover. Then remove two screws of the feed-out assembly, and take out the feed-out assembly. 2. Remove the three plugs of the data substrate and power substrate, and five screws of the fuser.

  • Page 49: Fan

    6.2.27 Fan Remove the front cover, rear cover, left cover, right cover and top cover, and pull out the fan plug from the high voltage substrate. Remove the three screws of fan assembly. Then remove the fan assembly and take out the fan (Note: pay attention to gear protection in the disassembly process, in order to prevent the gear from damage caused by falling down).

  • Page 50: Clutch Assembly

    2 screws and 2 buckles 2. Remove the five screws of the right frame, the right frame and the three screws of the motor in sequence. Then remove the motor. 6.2.30 Clutch assembly 1. Remove the right frame and gear 1, and take out the clutch assembly. Gear 1 Clutch assembly Page: 39...

  • Page 51: Maintenance

    Maintenance Note: The printer appearance varies depending on the model and function. The schematic diameter is for reference only. 7.1 Printer cleaning Note: Please use mild detergents. Some parts are still hot in a short time after the printer is shut down. After opening the front cover or back cover, do not directly touch the internal parts with high temperature warning labels, in order to avoid scalding.
  • Page 52 Remove metal articles such as the watch and bracelet before removing the toner cartridge, as  internal components may be damaged in the case of contact. After removing the toner cartridge, put it into a protective bag or wrap it with thick paper, to ...
  • Page 53 Note: If the printer is provided with the document feeder, the document feeder cover should be cleaned regularly by means of wiping with soft cloth. Wipe the part shown in the figure. Page: 42...

  • Page 54: Use And Maintenance Of Consumables

    7.2 Use and Maintenance of Consumables 7.2.1 About toner cartridge and drum component 1. Use and maintenance of toner cartridge. Use the original toner cartridge for better printing quality. Pay attention to the following items while using the toner cartridge. ·Do not take the toner cartridge out of the package, unless required immediately.
  • Page 55 2. Press the blue button on the left side of the drum component with the left hand, lift the toner cartridge handle with the right hand, and take out the toner cartridge. 3. Open the package of new drum component, remove the protective device, and place the drum component onto a horizontal table.
  • Page 56 7. Install the drum component with toner cartridge along the guide rail of the printer, and close the front cover. Page: 45...

  • Page 57: Error Message And Troubleshooting

    If the indicator on the control panel of the printer flickers in yellow or the LCD screen displays that toner is used up, replace the toner cartridge promptly. Check whether the applied toner cartridge is designated by Pantum. Page: 46...

  • Page 58: Error Status Prompts

    8.2 Error Status Prompts Error Message Cause Solution The printer is not 1. The USB cable or power 1. Properly connect the USB cable connected. cord is not connected. and power cord. 2. The main control board 2. Replace the main control board. fails.

  • Page 59: Warning And Prompt Status

    component or toner cartridge is damaged. The drum component The models of the drum Replace the drum component and and toner cartridge component and toner cartridge toner cartridge. are not matching. are not matching. The life of the drum The print pages of the drum Replace the drum component and component and toner component and toner cartridge...
  • Page 60 xx: Error code 21 Communication failed (WSD communication error [the wired network connection and wifi connection cannot be distinguished in this communication error]) 22 Invalid instruction (reserved) 23 Invalid parameter (reserved) 24 (Reserved) 25 USB connection error 26 Network connection error 27 wifi connection error The status LED indicator is normally ON in red.
  • Page 61 not be sent. Once this error occurs, the current scanning will be automatically terminated by the system. This will not affect the subsequent functions of the printer. Printing, sweeping or low voltage enabling can be performed normally in this status. The status LED indicator is normally ON in red.
  • Page 62 original menu. If any key is pressed or the printer status is changed within three seconds, the error display will be canceled immediately and the system will return to the original menu. The status LED indicator is normally ON in green but the amount of toner is not small. No response is made to This message appears if no response is made to USB when PC is swept.
  • Page 63 will not be displayed after the job is finished. If any error (such as cover opening) occurs in this status, the error will be displayed. After the error is recovered, the above message will be displayed again. If any job is performed in this status, the panel will display the job status, the WPS connection status will be displayed by the wifi LED, and the above message will not be displayed on LCD after the job is finished.
  • Page 64 Please stop it first! It will be displayed for 3 seconds and then the system will automatically return to the original menu. If any key (the functional mode keys cannot be used for switching modes) or printer status (such as the error and job) is changed, the above message will disappear immediately, and the system will return to the original UI or display the corresponding status.
  • Page 65 been inserted. It will be displayed for 3s, and the system will automatically return to the “Scan USB flash disk” mode. If any key (the functional mode keys cannot be used for switching modes) or printer status (such as the error and job) is changed, the above message will disappear immediately, and the system will return to the original UI interface or display the corresponding status.

  • Page 66: Error Code

    8.4 Error Code Warning! The product has the function of self-diagnosis. If any fault is detected, the error code and warning message will be displayed on the screen or computer. Error Code Cause Check and Measures Error code Error code (on control board) (on driver) Internal...
  • Page 67 Internal error Internal error 35 of Abnormality printer printer thermistor of heating Please call the customer Please call the customer roll service staff. service staff. Too slow cooling of Internal error Internal error 36 of heating roll printer printer Please call the customer Please call the customer service staff.
  • Page 68 printer (WSD communication normal (the same as the internal error Please call the customer error [the wired 26); service staff. network connection Check whether wifi connection is and wifi connection normal (the same as the internal error cannot be 27); distinguished]) Replace the data substrate.
  • Page 69 between the internal antenna and data substrate is connected properly; Restart the printer; Replace the data substrate. Internal error 31 of fax 1. Check the connecting cable of the fax Fax module substrate; initialization failed. 2. Restart the printer; 3. Replace the fax substrate. Internal error 1.
  • Page 70 scanner failed. scanner is connected properly; 2. Check whether the scanning head is damaged; 3. Check whether the scanner motor is damaged; 4. Check whether the connecting wire of the scanner motor is connected properly; 5. Restart the printer; 6. Check whether the data substrate is damaged.
  • Page 71 6. Check whether the data substrate is damaged. Internal error 1. Check whether the data line of the scanner scanner is connected properly; 2. Check whether the scanning head is damaged; 3. Check whether the scanner motor is damaged; Shading failed 4.

  • Page 72: Removal Of Jammed Paper

    · If the printer does not start printing, please check whether all the jammed paper inside the printer has been cleared. · If you cannot remove the jammed paper by yourself, please contact local Pantum authorized repair center or send the printer to the nearest Pantum authorized service center for repair.
  • Page 73 cover. The printer will automatically recover printing. Open the front cover. Remove the toner cartridge along the guide rail. (In order to prevent the influence of drum exposure on the printing quality, please keep the toner cartridge in the protective bag or wrap the toner cartridge with thick paper.) Gently pull out the jammed paper.

  • Page 74: Jammed Paper In Fuser Unit

    After removing the jammed paper, reinstall the toner cartridge and close the front cover. The printer will resume printing. 8.5.2 Jammed paper in fuser unit Note： While removing the jammed paper in the fuser unit, do not touch the shaded area shown below to avoid burns.

  • Page 75: Jammed Paper In Duplex Printing Unit

    Remove the jammed paper and close the back cover. Install the toner cartridge and close the front cover. The printer will resume printing. 8.5.3 . Jammed paper in duplex printing unit Take out the duplex printing unit from the rear side of the printer. Pull the jammed paper out of the duplex printing unit.

  • Page 76: Jammed Paper Of Document Feeder (Adf)

    • If the printer still fails, check whether all jammed paper in the printer is removed. • If you cannot remove the jammed paper, contact or send the product to the local service center authorized by Pantum. • The printer appearance varies depending on the model and function. The schematic diagram is for reference only.
  • Page 77 Then close the cover of the document feeder. The printer will resume printing. If it is difficult to remove the jammed paper, try opening the scanner cover and removing the jammed paper from the pressing plate. Page: 66...

  • Page 78: Troubleshooting

    8.6 Troubleshooting 8.6.1 Paper feeding problem Initial check: carry out initial check at first in case of paper feeding error. Check Solution Does the applied medium conform to the Replace the medium. specifications of the printer? Is the paper curly, wrinkling or damp? Replace paper and tell the user how to properly save paper.

  • Page 79: Common Faults

    M3 Paper inclination Possible Cause Solution The feeding channel is contaminated. Check the feeding channel and make sure that it is smooth. The pickup roll is contaminated. Clean the pickup roll. M4 Repeated feeding Possible Cause Solution Paper is not placed properly. Place the paper properly.
  • Page 80 The engine substrate is faulty. Replace the engine substrate. P4 Failure of heating lamp Possible Cause Solution The plug wire of the circuit board of the Reconnect the plug wire, and make sure that the high-voltage power supply is disconnected. AC power is supplied normally.
  • Page 81 P5 Fault of fuser unit Possible Cause Solution The contact of the plug wire of the thermistor is Reconnect the wire. poor. The temperature relay is burnt out. Replace the fuser unit. The halogen heating lamp is faulty. Replace the fuser unit. P6 Fault of laser scanner Possible Cause Solution...
  • Page 82 contact or damaged. properly. The plug of the USB cable is in poor contact or Make sure that the USB cable is connected damaged. properly. The data substrate is faulty. Replace the data substrate. P10 Printing mess or fully black page Possible Cause Solution The USB cable is connected properly or faulty.

  • Page 83: Scanning Failure

    Possible Cause Solution The toner cartridge is not installed properly. Make sure that the toner cartridge is installed properly. The chip of the toner cartridge is faulty. Replace the toner cartridge. The data substrate is faulty. Replace the data substrate. 8.6.2.2 Scanning failure image scanning abnormality...

  • Page 84: Image Defects

    8.7 Image Defects 8.7.1 Printing State Cause Recommended Solution The printout is light. The toner in the cartridge is almost Replace the toner cartridge.   used up. Clean the toner contamination area.  The high-voltage contact of the Clean the high-voltage contact or ...

  • Page 85: Replace The Toner Cartridge

    There Some components of the toner 1. Replace the toner cartridge.   black/white spots. cartridge are contaminated or OPC is 2. Clean the high-voltage contact of  damaged. the transfer roll or replace the If there are 44mm periodic black transfer roll.
  • Page 86 The background is The printing medium does not Use the printing medium according   gray. conform to the specifications. to the specifications. The life of the toner cartridge is Replace the toner cartridge.   expired. Clean the high-voltage contact or ...

  • Page 87: Scanning And Copying

    The image is fully OPC discharge is poor. Clean the high-voltage contact or   white. The laser unit is damaged. replace the engine substrate. If the  problem still exists, replace the toner cartridge. Replace the laser unit.  8.7.2 Scanning and copying Status Fault cause...

  • Page 88: Appendix 1

    Appendix 1 Perimeters of Printer Rolls Name Image Period mm Transfer roll 44.0 Heating roll 77.5 Pressing roll 75.4 OPC (photosensitive drum) 75.3 Developing roll 44.6 Toner-feeding roll 39.3 Charging roll 28.3 In the case of periodical image abnormality, you can judge the fault cause according to the roll perimeters.

  • Page 89: Appendix 2 Description Of Product Series Number

    Appendix 2 Description of Product Series Number The series number label is attached to each printer. The meaning of the series number and the attaching location of the label are described below. Code meaning: Date of manufacture Series number Label location: rear side of the printer Series number label -January) Page: 78...

  • Page 90: Appendix 3 Explanation Of Special Terms In The Manual

    Appendix 3 Explanation of Special Terms in the Manual The special terms in this manual are explained below. Term Explanation One safety standard of laser products Liquid crystal display Scanner Number of dots per inch Pages printed per minute Paper weight per square meter auto run Automatic running Photosensitive drum...

This manual is also suitable for:

M7300fdn seriesM7300fdw series