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Canon LBP253 SM Manual

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Revision 1.0
LBP253 SM

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Summary of Contents for Canon LBP253 SM

  • Page 1 Revision 1.0 LBP253 SM...
  • Page 2 When changes occur in applicable products or in the contents of this manual, Canon will release technical information as the need arises. In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.
  • Page 3 Introduction Symbols Explanation Symbols Explanation Disconnect the connector. Connect the power cable. Connect the connector. Disconnect the power cable. Remove the cable/wire from the Turn on the power. cable guide or wire saddle. Install the cable/wire to the cable Turn off the power. guide or wire saddle.

  • Page 4: Table Of Contents

    Contents Contents Safety Precautions....................1 Laser Safety............................2 How to Handle the Laser Scanner Unit....................2 Toner Safety............................2 About Toner............................2 Handling Adhered Toner........................2 Notes When Handling a Lithium Battery..................... 3 Notes on Assembly/Disassembly......................3 1. Product Overview.....................4 Product Lineups..........................5 Main unit.............................. 5 Options..............................
  • Page 5 Contents Energy Saving Function........................33 Embedded RDS..........................34 Product Overview..........................34 Service cautions..........................34 E-RDS Setup............................35 FAQ..............................37 Troubleshooting..........................39 Error code and strings......................... 40 Setting Information Export/Import Function (DCM)................44 Function Overview..........................44 Specifications............................. 46 Limitations............................47 Procedure for Exporting/Importing Service Mode Setting Information............49 List of Items Which Can Be Imported....................56 3.
  • Page 6 Contents Removing the Main Drive Unit......................91 Removing the Duplex Drive Unit......................93 Removing the Cassette Pickup Solenoid....................93 Removing the Multi-purpose Solenoid....................94 Removing the Duplex Reversal Solenoid....................94 Removing the Wireless LAN PCB......................95 Laser Exposure System........................96 Removing the Laser Scanner Unit......................96 Image Forming System........................
  • Page 7 Contents APPENDICES....................154 Service Tools...........................155 Special Tools............................ 155 Solvents and Oil List..........................155 General Circuit Diagram........................156 Print Sequence..........................157 Backup Data............................158 Soft Counter Specifications......................160...

  • Page 8: Safety Precautions

    Safety Precautions Laser Safety.......... 2 Toner Safety..........2 Notes When Handling a Lithium Battery..........3 Notes on Assembly/Disassembly..3...

  • Page 9: Laser Safety

    Safety Precautions Laser Safety Since radiation emitted inside the machine is completely confined within protective housings and external covers, the laser beam cannot escape from the machine during any phase of user operation. Therefore this machine is classified in Class 1 laser products that are regarded as safe during normal use according to International Standard IEC60825-1.

  • Page 10: Notes When Handling A Lithium Battery

    Safety Precautions Notes When Handling a Lithium Battery CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. The following warnings are given to comply with Safety Principles (EN60950-1). CAUTION: Wenn mit dem falschen Typ ausgewechselt, besteht Explosionsgefahr.

  • Page 11: Product Overview

    Product Overview Product Lineups........5 Features..........6 Product Specifications......7 List of Parts......... 10 Operation..........12...

  • Page 12: Product Lineups

    1. Product Overview Product Lineups Main unit Function LBP253 Appearance Copy Print Remote UI Automatic 2-sided Print (60 to 120g / m2 paper ) MEAP Network WLAN Options Name Description Remarks Paper FeederUnit PF-44 Approx. 500 Sheets (Plain paper 80g/ m...

  • Page 13: Features

    1. Product Overview Features Features 1. Small and high-speed printer The printer is compact size that realizes print speed of approximately 33 pages per minute. 2. Automatic duplex print Automatic two-sided printing is available with standard equipped duplex unit. 3. High-volume continuous printing In addition to the standard equipped universal cassette (holds up to 250 sheets of 80g/m2 paper) and Multi-purpose tray (holds up to 50 sheets of 80g/m2 paper), the printer supports optional paper feeder (holds up to 500 sheets of 80g/m2 paper) for a total capacity of 800 sheets.

  • Page 14: Product Specifications

    1. Product Overview Product Specifications Item Specification/function Installation Format Desktop type page printer Photosensitive Element OPC drum Exposure Principle Laser beam method Development Principle Jumping development Transfer Principle Roller transfer Separation Principle Self stripping Cassette Feed Principle Separate design Multi Purpose Tray Principle Pad separation Drum Cleaning Principle Rubber blade cleaning...
  • Page 15 1. Product Overview Item Specification/function Noise LwAd (declared A-weighted sound power level (1 B = 10 dB)) (measured in accordance with During standby: Inaudible ISO 7779, declared noise emission in accordance with During printing: 6.8 B or less ISO 9296) LpAm (declared A-weighted sound pressure level (bystander position)) During standby: Inaudible During printing: 54 dB...
  • Page 16 1. Product Overview Paper Size Paper Drawer Multi-Purpose Tray Automatic 2-Sided Print- ing *1 Oficio (Mexico) (215.9 × 341.0 mm) Yes *2 Letter (Government) (203.2 × 266.7 mm) Legal (Government) (203.2 × 330.2 mm) Foolscap (215.9 × 330.2 mm) Yes *2 Foolscap (Australia) (206.0 ×...

  • Page 17: List Of Parts

    1. Product Overview List of Parts External View [10] [13] [14] [12] [15] [11] [16] [17] [19] [18] Name Name Auxiliary Tray [11] Rear Cover Multi-purpose Tray [12] Face-up Output Tray Front Cover [13] Pressure Release Cover Open Button [14] Left Cover Upper Cover [15]...

  • Page 18: Cross Sectional View

    1. Product Overview Cross Sectional View [10] [11] [12] [13] [14] [15] [16] [17] [20] [19] [18] Name Name Fixing Delivery Roller [11] Multi-purpose Tray Pickup Roller Face-down Delivery Roller [12] Multi-purpose Tray Separation Pressure Roller [13] Registration Roller Fixing Film Unit [14] Feed Roller Fixing Unit...

  • Page 19: Operation

    1. Product Overview Operation Operation Panel Name Name Display [ID] key [Home] key [Clear] key [Reset] key [Counter Check] key [Back] key [Stop] key Numeric keys ([0]-[9] keys) [#] key [*] key [Processing/Data] indicator NFC（Near Field Communication）mark Wi-Fi indicator [Energy Saver] key [Error] indicator [Status Monitor] key [Main Power] indicator...

  • Page 20: Technology

    Technology Basic Operation........14 Sequence of Operation....... 15 Laser Exposure System...... 16 Image Formation System....17 Fixing System........22 Pickup Feeding System...... 26 Controller System........29 Embedded RDS........34 Setting Information Export/Import Function (DCM)....... 44...

  • Page 21: Basic Operation

    2. Technology Basic Operation Function Structure The function structure of the printer contains the following five systems: • Engine control system • Laser scanner system • Image-formation system • Media feed system • Option LASER SCANNER SYSTEM IMAGE-FORMATION SYSTEM ENGINE CONTROL SYSTEM MEDIA FEED SYSTEM OPTION...

  • Page 22: Sequence Of Operation

    2. Technology Sequence of Operation Outline The operation sequence is controlled by the DC Controller in the engine control system. Operations for each period of a print operation from the machine is turned on until the motor stops rotating are described below. Period Duration Operation...

  • Page 23: Laser Exposure System

    2. Technology Laser Exposure System Outline The laser exposure system forms a latent image on the photosensitive drum according to the VIDEO signalssent from the Main Controller. The main components of the laser scanner are the laser unit and the scanner motor unit, which arecontrolled by the signals sent from the DC controller.

  • Page 24: Image Formation System

    2. Technology Image Formation System Outline The image formation system forms a toner image on print media. The following are the main components of the image formation system: • Cartridge • Transfer roller • Fixing unit • Laser scanner\ The DC controller controls the laser scanner and high-voltage power supply to form the toner imageon the photosensitive drum. The image is transferred to the print media and fixed.
  • Page 25 2. Technology Media path Latent image formation Direction of 2. Laser-beam exposure the drum rotation Block Step Developing 1. Primary charging 3. Developing Drum cleaning 7. Drum cleaning Delivery 6. Fixing 5. Separation 4.Transfer Pickup Transfer Fixing ■ Latent image formation block During the two steps that comprise this block, an invisible latent image is formed on the photosensitivedrum.
  • Page 26 2. Technology Blade Developing rolle Exposed Unexposed area area Exposed Unexposed Developing bias area area Photosensitive drum ■ Transfer block During the two steps that comprise this block, a toner image on the photosensitive drum is transferred to the print media. Step 4: Transfer The transfer bias is applied to the transfer roller to charge the print media positive.

  • Page 27: High-Voltage Power Supply

    2. Technology Step 6: Fixing The printer uses an on-demand fixing method. The toner image is permanently affixed to the print media by heat and pressure. The fixing bias is applied to the fixing film to improve image quality. Fixing film Fixing heater Toner Media...
  • Page 28 2. Technology Engine controller High-voltage Fixing unit DC controller power supply Fixing film Pressure roller Cartridge Primary charging Primary charging roller bias circuit Developing roller Developing Photosensitive bias circuit drum Transfer roller Transfer bias circuit...

  • Page 29: Fixing System

    2. Technology Fixing System Outline The fixing/delivery unit fixes the toner onto a print paper and delivers it to the delivery tray. The operation of the fixing/delivery unit is explained in the following. 1. The print paper fed from the pick-up/feed unit is fused the toner by the fixing film and the pressure roller. 2.
  • Page 30 2. Technology The Figure below shows the configuration of the fixing control circuit. Fixing film Pressure roller FIXING TEMPERA TURE signal FIXNG HEATER CONTROL signal Fixing heater Fixing heater DC controller safety circuit control circuit Fixing control circuit Low-voltage power supply unit Engine controller •...
  • Page 31 2. Technology Engine controller Low-voltage power supply DC controller Fixing control circuit Frequency FREQSNS detection circuit Fixing heater FSRD +24V control circuit Relay RLYD control circuit RL101 Fixing heater FSRTH safety circuit Fixing film unit H1: Fixing heater Pressure roller TP1: Thermoswitch TH1: Thermistor Fixing unit...
  • Page 32 2. Technology ■ Failure detection The DC controller determines a fixing unit failure, makes the FIXING HEATER CONTROL signal inactive, releases the relay to interrupt power supply to the fixing heater and notifies the Main Controller of a failure state when it encounters the following conditions: 1.

  • Page 33: Pickup Feeding System

    2. Technology Pickup Feeding System Outline The pickup feeding system picks up, feeds and delivers the print media. It consists of several types of rollers. The duplex feed unit in the duplex model reverses and refeeds the print media to print on both sides of media. The media path is shown below.

  • Page 34: Jam Detection

    2. Technology Electrical component Signal TOP Sensor PS912 TOP Signal Cassette Media Presence Sensor PS914 Cassette Media Presence Signal Multi-purpose Tray Presence Sensor PS915 Multi-purpose Tray Media Presence Signal Fixing Delivery Sensor PS916 Fixing Delivery Signal Duplex Reverse Sensor PS917 Duplex Reverse Signal FD Tray Media Full Sensor PS918...
  • Page 35 2. Technology ■ Delivery Delay Jam When the Fixing Delivery Sensor (PS916) cannot detect the leading edge of paper after the specified time has passed since the TOP Sensor (PS912) detected the leading edge of paper, it is judged as a delivery delay jam. ■...

  • Page 36: Controller System

    2. Technology Controller System Outline The controller system controls all the other systems according to commands from the Main Controller. The controller system contains the following components: • DC controller • Low-voltage power supply • High-voltage power supply Block diagram of the controller system is shown below. ENGINE CONTROL SYSTEM LASER SCANNER SYSTEM...
  • Page 37 2. Technology Engine controller AC input Low-voltage Motor power supply Fixing unit Solenoid DC controller Photointerrupter Transfer roller High-voltage power supply Switch Cartridge Option Laser scanner unit Main controller Operation panel Symbol for component Component Main Fan Motor Main Motor Solenoid Multi-purpose Tray Pickup Solenoid Cassette Pickup Solenoid...
  • Page 38 2. Technology Description Driving part Failure detection Main Motor Roller in the printer and rollers in the paper feeder ■ Fan control The printer has one fan for preventing a temperature rising inside the printer. Arrangement of fan motor and the specifications are shown below. Description Cooling area Type...

  • Page 39: Low-Voltage Power Supply

    2. Technology ■ Failure Detection Failure Point Error Code Cause of Failure Main Motor E014 In the case that the speed of motor does not reach the specified speed after the specified time has passed since the startup of the Main Motor.

  • Page 40: Energy Saving Function

    2. Technology ■ Safety For user and service technician's safety, the printer has a function to interrupt 24V power supply to the fixing unit and the high- voltage power supply unit. The door switch is turned off and 24V stops under the following condition: •...

  • Page 41: Embedded Rds

    2. Technology Embedded RDS Product Overview ■ Overview Embedded RDS (hereinafter referred to as E-RDS) is a monitoring program that runs on the host machine. When the monitoring option is enabled by making the setting on this machine, information such as the status change of the machine, counter information, and failure information are collected.

  • Page 42: E-Rds Setup

    2. Technology E-RDS Setup ■ Confirmation and preparation in advance To monitor this machine with e-Maintenance/ imageWARE Remote, the following settings are required. ● Advance preparations The following network-related information needs to be obtained from the user's system administrator in advance. Information item 1 IP address settings •...
  • Page 43 2. Technology 4. Press the numeric key [1] on the control panel (the setting value is changed to 1) and touch the [Apply]. CAUTION: The following settings i.e. RGW-PORT in Service mode must not be change unless there are specific instructions to do so. Changing these values will cause error in communication with UGW.

  • Page 44: Faq

    2. Technology 2. Select [COPIER] > [FUNCTION] > [MISC-P] > [ERDS-LOG] and touch the [Yes]. Output sample Q: In what case does a communication test with UGW fail? Ans. The following cases can be considered in the becoming "NG" case. •...
  • Page 45 2. Technology Q: Although Microsoft ISA as a proxy server is introduced, the authentication check is failed. Can E- RDS adopt with Microsoft ISA? Ans. E-RDS must comply with "Basic" while "Integrated" authentication is used for Microsoft ISA (as default); therefore, authentication with E-RDS is available if you change the setting to "Basic"...

  • Page 46: Troubleshooting

    2. Technology Q: After the setting for E-RDS was made, the IP address of the host machine was changed. In that case, is it necessary to execute COM-TEST again? Ans. It is not necessary to execute COM-TEST again because the IP address used by E-RDS is automatically changed. However, it is necessary to turn OFF and then ON the main power of this machine to reflect the change in the setting of the IP address.

  • Page 47: Error Code And Strings

    2. Technology 2. Check the E-RDS setting values. • Check the communication error log from COM-LOG. • Check whether RGW-ADR or RGW-PORT settings has changed. If RGW-ADR or RGW-PORT settings has changed, restore initial values. For initial values, see “Service cautions” on page Symptom: Registration information of the E-RDS machine was deleted from the device information on Web Portal, and then registered again.
  • Page 48 2. Technology Code Character strings Cause Remedy 0xxx 0003 Server schedule is not exist Blank schedule data have been Perform and complete a communication test received from UGW. (COM-TEST). 0xxx 0003 Communication test is not per- Communication test has not Perform and complete a communication test formed completed.
  • Page 49 2. Technology Code Character strings Cause Remedy 8xxx 2002 URL server specified is illegal A URL different to that specified Check that the value of URL of UGW (RGW- by the UGW has been set. ADR) is https://a01.ugwdevice.net/ugw/agen- tif010. 8xxx 2003 Network is not ready, try later Communication attempted with- Check the network connection, as per the initial out confirming network connec-...
  • Page 50 2. Technology Code Character strings Cause Remedy 8xxx 2047 Server response time out Due to network congestion, etc., If this error occurs when the communication the response from UGW does not test is being run or Service Browser is being set, come within the specified time.

  • Page 51: Setting Information Export/Import Function (Dcm)

    2. Technology Setting Information Export/Import Function (DCM) Function Overview This function (DCM: Device Configuration Management) is used to export/import setting value information in the host machine as a file (DCM file). The following setting information is exported/imported. • Setting information of [Settings/ Registration] •...
  • Page 52 2. Technology ● Export from and Import to a Different Device of the Same Model (Case B) In this use case, the exported setting information is copied to a different device of the same model. This enables efficient installation in the case of installing multiple devices of the same model at a time (for example, kitting). Import Export A different machine...

  • Page 53: Specifications

    2. Technology ■ Compatibility ● Compatibility of DCM Files Compatibility of DCM files differs depending on the export/import method as shown below. Exported from Imported to iR series not supporting iR series supporting DCM iR-ADV series Remote UI Via DCM Plug-in Remote UI/USB DCM Plug-in Remote UI/ USB iR series not supporting...

  • Page 54: Limitations

    2. Technology ● Encryption Password • It is necessary to set a password during the export process because data such as the password of the address book set by the user are encrypted when the DCM file is exported/imported. • The password must consist of 32 or less ASCII characters. A password exceeding 32 characters cannot be entered. •...
  • Page 55 2. Technology Even when a setting value has been changed by corrective processing, the import process is treated as successful. Examples are shown below. Please note that the following cases are just examples, and how each item is processed by corrective processing varies depending on the initial settings and the service mode settings.

  • Page 56: Procedure For Exporting/Importing Service Mode Setting Information

    2. Technology ■ Power Supply Control When power discontinuity occurs during export or import, the following behavior occurs. • The import process that had been performed before the power discontinuity remains reflected, and the data is not rolled back. • When power discontinuity occurs during an export process, export is not executed. Moreover, since the import/export history is not retained in the host machine, no records remain.
  • Page 57 2. Technology 1. Press the [Reset] ( )key. 2. Press the [Status Monitor] ( )key. 3. Tap "Device Status". 4. Tap "Remove Memory Media". Wait until the message "The memory media can be safely removed." is displayed. 5. Remove the USB flash drive. CAUTION: When exporting setting information using the [Settings/Registration] menu, if a USB flash drive is not connected, a message prompting the user to connect a USB flash drive will appear and the process cannot be executed.On the other hand, when...
  • Page 58 2. Technology Setting information can be exported by remote control by following the procedure shown below. Since the information can be output only to a USB flash drive connected to the host machine, this is not strictly remote operation. The following USB flash drives can be used for export/import. •...
  • Page 59 2. Technology 3. Enter service mode, and execute the following service mode. • COPIER > FUNCTION > SYSTEM > IMPORT SERVICE MODE DISPLAY COPIER PANEL-UP CLEAR FEEDER ADJUST LOGWRITE MISC-R FUNCTION IMPORT MISC-P TESTMODE OPTION EXPORT SYSTEM COUNTER VIFFNC SPLMAN 4.
  • Page 60 2. Technology 3. Click [Settings/Registration]. 4. Click[Import/Export] > [Import]. 5. Specify the settings for Importing, and click [Start Import]. Enter the encryption password and click [Start Import]. The menu options data will be Imported. [Browse..]button Click to select the file to import. Decryption Password Enter up to 32 alphanumeric characters for the password that was set when the file was exported.
  • Page 61 2. Technology 8. Restart the host machine, enter service mode, and then check that the setting information is reflected. 9. Enter service mode, and set the following item to "0". • COPIER > OPRION > USER > SMD-EXPT NOTE: The [SMD-EXPT] setting can be specified either from the Control Panel or from the remote UI. ●...
  • Page 62 2. Technology 3. Click [Settings/ Registration]. 4. Click[Import/Export] > [Export]. 5. Specify the settings for exporting, and click [Start Exporting]. Enter the encryption password and click [Start Exporting]. The menu options data will be exported. Address Book Select the check box to export the Address Book data. Settings/ Registration Select the check box to export the setting data of the menu options.

  • Page 63: List Of Items Which Can Be Imported

    2. Technology 7. Enter service mode, and set the following item to "0". • COPIER > OPRION > USER > SMD-EXPT NOTE: The [SMD-EXPT] setting can be specified either from the Control Panel or from the remote UI. List of Items Which Can Be Imported The following shows the items to be imported for this model.
  • Page 64 2. Technology Layer1 Layer2 Layer3 Layer4 Layer5 Case1 Case2 Case3 Department ID Manage- Department ID Man- ment agement Registering/Editing Department ID and Blocking Jobs When Department ID Is Unknown Network Settings TCP/IP Settings IPv4 Set- IP Address Set- tings tings Auto Acquire AutoIP IP Address...
  • Page 65 2. Technology Layer1 Layer2 Layer3 Layer4 Layer5 Case1 Case2 Case3 Network Settings TCP/IP Settings IPv6 Set- DNS Settings Domain Name tings DNS Dynamic Update Interval mDNS Settings Use Same mDNS Name as IPv4 mDNS Name DHCP Option Acquire DNS Settings Server Address (option23) Acquire Domain...
  • Page 66 2. Technology Layer1 Layer2 Layer3 Layer4 Layer5 Case1 Case2 Case3 Security Settings IPv4 Address Filter Inbound Fil- ON/OFF IPv6 Address Filter Outbound ON/OFF Filter Inbound Fil- ON/OFF MAC Address Filter Outbound ON/OFF Filter Inbound Fil- ON/OFF Display Job Log ON/OFF Use as USB Device ON/OFF Enable Product Extended...
  • Page 67 2. Technology Layer1 Layer2 Layer3 Case1 Case2 Case3 Memory Media Print Change Default Set- Settings tings File Sort Default Set- tings File Name Display Format Default Display Set- tings Printer Settings Printer Settings Action When Free Paper Size Mismatch Copies 2-Sided Printing Paper Size Override Print Quality...
  • Page 68 2. Technology Layer1 Layer2 Layer3 Layer4 Case A Case B Case C COPIER FUNCTION SPLMAN SPL68676 COPIER FUNCTION SPLMAN SPL68677 COPIER FUNCTION SPLMAN SPL25607 COPIER FUNCTION SPLMAN SPL93822 COPIER FUNCTION SPLMAN SPL78788 COPIER FUNCTION SPLMAN SPL00171 COPIER FUNCTION SPLMAN SPL84194 COPIER FUNCTION INSTALL...

  • Page 69: Periodical Service

    Periodical Service Periodically Replaced Parts....63 Consumable Parts.......64 Periodical Service....... 65 Cleaning..........66...

  • Page 70: Periodically Replaced Parts

    3. Periodical Service Periodically Replaced Parts Periodically Replaced Parts • Periodic replacement parts are not required in this printer.

  • Page 71: Consumable Parts

    3. Periodical Service Consumable Parts Durables Replaced by the Service Person • Consumable parts are not required in this printer.

  • Page 72: Periodical Service

    3. Periodical Service Periodical Service Periodical Service • No periodic services are required to this printer.

  • Page 73: Cleaning

    3. Periodical Service Cleaning Cleaning at Service Visit Follow the procedure blow when cleaning the printer during service visit. Component Cleaning Method Pickup Roller / Sepalation Pad Wipe With A Lint-free Cloth. Registration Roller / Registration Wipe With A Lint-Free Cloth. Arm Unit Transfer Guide Unit Wipe With A Soft and Dry Flannel Cloth.

  • Page 74: Disassembly/Assembly

    Disassembly/ Assembly Outline..........68 List of Parts......... 69 Connector Layout Drawing....76 External Cover, Internal Cover....80 Controller System........84 Laser Exposure System...... 96 Image Forming System....... 97 Fixing System........98 Paper Pickup/Transport/Output System...........100...

  • Page 75: Outline

    4. Disassembly/Assembly Outline This chapter describes disassembly and reassembly procedures of the printer. Note the following precautions when working on the printer. 1. CAUTION: Before disassembling or reassembling the printer, be sure to disconnect its power cord from the electrical outle. 2.

  • Page 76: List Of Parts

    4. Disassembly/Assembly List of Parts External View [10] [13] [14] [12] [15] [11] [16] [17] [19] [18] Name Name Auxiliary Tray [11] Rear Cover Multi-purpose Tray [12] Face-up Output Tray Front Cover [13] Pressure Release Cover Open Button [14] Left Cover Upper Cover [15] USB Host...

  • Page 77: List Of Main Unit

    4. Disassembly/Assembly List of Main Unit [10] [11] [12] [13] Name Reference Fixing Unit “Removing the Fixing Unit” on page 98...
  • Page 78 4. Disassembly/Assembly Name Reference Laser Scanner Unit “Removing the Laser Scanner Unit” on page 96 Registration Unit “Removing the Registration Unit” on page 97 Multi-purpose Separation Pad “Removing the Multi-purpose Separation Pad” on page 101 Multi-purpose Pickup Roller “Removing the Multi-purpose Pickup Roller” on page 101 Transfer Roller “Removing the Transfer Roller”...

  • Page 79: Motor / Fan

    4. Disassembly/Assembly Motor / Fan Name Main Units Reference Main Motor “Removing the Main Motor” on page 91 Scanner Motor Laser Scanner Unit “Removing the Laser Scanner Unit” on page 96 Main Fan “Removing the Main Fan” on page 91 Solenoid Name Main Units...

  • Page 80: Heater / Thermo Switch / Thermistor / Switch

    4. Disassembly/Assembly Name Main Units Reference Cassette Pickup Solenoid Main Drive Unit “Removing the Cassette Pickup Solenoid” on page Duplex Reversal Solenoid “Removing the Duplex Reversal Solenoid” on page Heater / Thermo Switch / Thermistor / Switch SW1001 SW301 Name Main Units Reference Fixing Heater...

  • Page 81: Sensor

    4. Disassembly/Assembly Sensor PS918 PS917 PS922 PS912 PS916 SW1001 PS914 SW301 PS915 Name Main Units Reference PS912 Top Sensor PS914 Cassette Paper Sensor PS915 Manual Tray Detection Sensor PS916 Fixing Paper Output Sensor PS917 Duplex Reverse Sensor PS918 Output Tray Full Sensor PS922 Paper Width Sensor SW1001...

  • Page 82: Pcb

    4. Disassembly/Assembly [11] [10] Name Main Units Reference Control Panel Relay PCB Control Panel Laser Driver PCB Laser Scanner Unit Control Panel PCB Control Panel NFC PCB Control Panel Connecting PCB All-night power PCB Power Supply PCB Engine Controller PCB Sleep Interface PCB [10] Main Controller PCB...

  • Page 83: Connector Layout Drawing

    4. Disassembly/Assembly Connector Layout Drawing Connector List ■ Main Controller PCB J925 J904 J908 J914 J906 J922 J910 J905 J911 J934 J913 J303 ■ Engin Controller PCB J205 J204 J203 J206 J581 J211 J207 J202 J101 J102 J201 J210 J213 J208 J251 J2142 J2141...
  • Page 84 4. Disassembly/Assembly ■ Internal J1103 J1101 J802 J1105 J1102 J801 J1104 J207 J581 J303 J2100 J251 J201 J531 J503 J532 J No. Sym- Name Relay con- J No. Sym- Name nector J201 Engin Controller PCB Main Controller PCB J251 Engin Controller PCB J503 Sleep Interface PCB J581...
  • Page 85 4. Disassembly/Assembly J918 J1111 J1201 J1211 J1202 J101 J1112 J917 J208 J213 J203 J204 J205 J1212 J1113 J912 J504 J502 J914 J533 J915 J No. Sym- Name Relay con- J No. Symbol Name nector J203 Engin Controller PCB J912 Top Sensor J204 Engin Controller PCB J914...
  • Page 86 4. Disassembly/Assembly J953 J954 J951 J908 J925 J965 J914 J905 J1202 J102 J916 J206 J202 J211 J210 J302 J2142 J2141 J No. Sym- Name Relay con- J No. Symbol Name nector J102 Engin Controller PCB J102 Fixing Heater J210 Engin Controller PCB J210 Fixing Thermistor J202...

  • Page 87: External Cover, Internal Cover

    4. Disassembly/Assembly 2. Press Release Button [2] and open Cartridge Door External Cover, Internal Cover Unit [3]. Removing the Left Cover 1. Remove Cassette [1]. 2. Press Release Button [2] and open Cartridge Door Unit [3]. 3. Release the 6 claws [1] and remove the Right Cover [2] while opening it in the direction of the arrow.

  • Page 88: Removing The Rear Cover Unit / Duplex Feed Unit

    4. Disassembly/Assembly 4. Remove Rear Cover Unit [1] together with Duplex Removing the Rear Cover Feed Unit [2]. Unit / Duplex Feed Unit • 2 Boss [3] ■ Preparations 1. Remove Cassette. 2. Remove Right Cover.“Removing the Right Cover” on page 80 3.

  • Page 89: Removing The Upper Cover Unit

    4. Disassembly/Assembly ■ Procedure Removing the Upper Cover Unit 1. Remove Upper Cover Unit [1]. • 7 Connector[2] ■ Preparations • 3 Wire Saddles [3] • Edge Sddles [4] • 3 Screws [5] 1. Remove Right Cover.“Removing the Right Cover” •...
  • Page 90 4. Disassembly/Assembly ■ Procedure 1. Close Front Cover [1] and remove Link arm [2]. • 2 Tab [3] 2. Remove Cartridge Cover Unit [1]. • 2 Screw [2]...

  • Page 91: Controller System

    4. Disassembly/Assembly Stor- Backup tar- Backup procedure Controller System desti- Removing the Main Controller tion Settings of COPIER > OPTION > USER > SMD- Board [Settings/ EXPT > 1 Registration] Remote UI: Settings/Registration > Im- ■ Actions before Replacement Service port/Export >...

  • Page 92: Remove The Sleep Interface Pcb

    4. Disassembly/Assembly 3. Remove Main Controller Board [1]. CAUTION: • 4 Screws [2] Note that the following data is not cleared. • 1 Edge Sddles [3] • Service counter 3. Turn OFF and then ON the main power. 4. Operate according to the instruction on the screen since the initial installation mode is activated.

  • Page 93: Remove The Duplex Reverse Sensor Unit

    4. Disassembly/Assembly ■ Procedure ■ Procedure 1. Remove Power Supply PCB [1]. 1. Remove Duplex Reverse Sensor Unit [1]. • 6 Connectors [2] • 1 Screw [2] • 1 Wire Saddle [3] • 1 Connector [3] • 2 Screw [4] •...

  • Page 94: Remove The Power Supply Pcb

    4. Disassembly/Assembly Remove the Power Supply Removing the Engine Controller Board ■ Preparations ■ Preparations 1. Remove Left Cover.“Removing the Left Cover” on 1. Remove Left Cover.“Removing the Left Cover” on page 80 page 80 2. Remove Right Cover.“Removing the Right Cover” 2.
  • Page 95 4. Disassembly/Assembly 2. Remove Feed guide [1]. 4. Remove 1 screw [1]. • 1 Screw [2] 3. Remove connectors • 7 connectors [1] • 1 Terminal [2]...
  • Page 96 4. Disassembly/Assembly 5. Remove Controller Box[1] 7. Disengage 2 latch [1] on left and right side of frame, and move Engine Controller Board [2] downwards. • 5 connectors [2] • 2 Wire Saddle [3] • Harness guide [4] • 5 Screw [5] CAUTION: Points to Note when Removing the Controller Box: A washer is attached to the screw, so be careful not to...

  • Page 97: Removing The Control Panel Unit

    4. Disassembly/Assembly ■ Procedure Removing the Control Panel Unit 1. Remove the Control Panel Unit [1] from the Upper Cover Unit. ■ Preparations • 4 Screw [2] 1. Remove Right Cover.“Removing the Right Cover” on page 80 2. Remove Left Cover.“Removing the Left Cover”...

  • Page 98: Removing The Main Motor

    4. Disassembly/Assembly 2. Remove Main Fan [2]. Removing the Main Motor • 1 Connector [3] • 2 screws [4] ■ Preparations 1. Remove Left Cover.“Removing the Left Cover” on page 80 2. Remove Right Cover.“Removing the Right Cover” on page 80 3.
  • Page 99 4. Disassembly/Assembly ■ Procedure 5. Remove Link Arm [6]. 1. Remove the Harnesses [1]. • 2 harness guide [2] • 5 Connectors [3] 6. Remove Power Supply PCB Unit • 2 Connector [1] • 1 Wire Saddle [2] 2. Remove Gear[1] 7.

  • Page 100: Removing The Duplex Drive Unit

    4. Disassembly/Assembly 9. Remove Main Drive Unit [1]. ■ Procedure • 4 Screw [2] 1. Remove Duplex Drive Unit [1]. • 3 Screw [2] CAUTION: Be sure to install the black gear[2] to the side where a CAUTION: left-direction arrow[1] is marked. The main drive gears are not fastened to the metal plate.

  • Page 101: Removing The Multi-Purpose Solenoid

    4. Disassembly/Assembly ■ Procedure ■ Procedure 1. Remove main switch unit [1]. 1. Remove Multi-purpose Solenoid [1]. • 1 Screw [2] • 1 screws [2] • 1 Connector [3] • 1 Connector [3] • 2 Wire Saddle [4] 2. Remove Cassette Pickup Solenoid [1]. •...

  • Page 102: Removing The Wireless Lan Pcb

    4. Disassembly/Assembly Removing the Wireless LAN ■ Preparations 1. Remove Left Cover.“Removing the Left Cover” on page 80 ■ Procedures 1. Remove the Wireless LAN PCB [1]. • 1 Connector[2] • 1 Screws [3] • 1 Edge Sddles [4]...

  • Page 103: Laser Exposure System

    4. Disassembly/Assembly Laser Exposure System Removing the Laser Scanner Unit ■ Preparations 1. Remove Right Cover.“Removing the Right Cover” on page 80 2. Remove Left Cover.“Removing the Left Cover” on page 80 3. Remove Rear Cover Unit.“Removing the Rear Cover Unit / Duplex Feed Unit”...

  • Page 104: Image Forming System

    4. Disassembly/Assembly 3. Remove Rear Cover Unit.“Removing the Rear Cover Image Forming System Unit / Duplex Feed Unit” on page 81 4. Remove Upper Cover Unit.“Removing the Upper Removing the Transfer Roller Cover Unit” on page 82 ■ Procedure ■ Procedure 1.

  • Page 105: Fixing System

    4. Disassembly/Assembly 2. Remove 3 gears. Fixing System Removing the Fixing Unit ■ Preparations 1. Remove Left Cover.“Removing the Left Cover” on page 80 2. Remove Right Cover.“Removing the Right Cover” on page 80 3. Remove Rear Cover Unit.“Removing the Rear Cover Unit / Duplex Feed Unit”...
  • Page 106 4. Disassembly/Assembly 3. Remove Duplex Reverse Sensor Unit [1]. 5. Remove Feed guide [1]. • 1 Screws [2] • 1 Screw • 1 Connector [3] 6. Remove Fixing Unit [1]. • 3 Connectors [2] • 1 Terminal [3] • 2 Screws [4] 4.

  • Page 107: Paper Pickup/Transport/Output System

    4. Disassembly/Assembly 4. Remove Cassette Pickup Roller [1] in arrow Paper Pickup/Transport/ direction. Output System Removing the Cassette Pickup Roller CAUTION: Do not touch the surface of the Cassette Pickup Roller when removing or mounting it. 1. Remove Cassette. 2. Lift Lever [1] and move Duplex Feed Unit [2] downwards.

  • Page 108: Removing The Multi-Purpose Pickup Roller

    4. Disassembly/Assembly 2. Remove Cassette Separation Pad [1]. 3. Open pickup roller holder [2] and remove Multi- purpose Pickup Roller [3]. • 2 Screw [2] Removing the Multi-purpose Pickup Roller CAUTION: Do not touch the surface of the Multi-purpose Pickup Roller when removing or mounting it.
  • Page 109 4. Disassembly/Assembly 3. Press Release Button and open Front Cover Unit [1]. • Remove Multi-purpose Separation Pad [2].

  • Page 110: Troubleshooting

    Troubleshooting Trouble Shooting.......104 Version Upgrade....... 108 Corrective Actions......114 Debug Log ........120...

  • Page 111: Trouble Shooting

    5. Troubleshooting Trouble Shooting Test Pages Printing test pages helps determine if the printer is functioning. CAUTION: There are two types of test pages: engine-test page and Main Controller-test page. Print a test page to make sure the printer engine and the Main Controller are functioning. ■...
  • Page 112 5. Troubleshooting TYPE Test chart type image check item Halftone Transfer failure, Black line, White line, Margin Solid black Transfer failure, White line, Margin Solid white Fogging 17 gradations Tone confirmation Thin horizontal line Feed confirmation Pascal correction Tone confirmation Chart128 Tone confirmation ■...

  • Page 113: Confirming Nip Width

    5. Troubleshooting 3. The settings for test print can be changed in the following service mode. If the settings are not changed, a test print will be executed with the default values of service mode settings. Item Description Default value TESTMODE >...
  • Page 114 5. Troubleshooting 4. When the tip of the paper comes out to Output tray, Open a Front cover and make the door opening jam. Close Flont cover immediately. (To make it a pressurization state) Wait for about 20 seconds. Open Flont cover and take out jam papter. 5.

  • Page 115: Version Upgrade

    5. Troubleshooting Version Upgrade Overview This machine supports the following two methods for upgrading the firmware. 1. User Support Tool (UST) 2. Via Internet ■ Checking the Version In order to check the model name and the version, it is necessary to following procedure. 1.
  • Page 116 5. Troubleshooting • PC • Compatible to the selected • OSMemory (RAM): 128MB or more free space • Hard Disk: 100MB or more free space • Display: 640x480 pixels or more in resolution, 256 tones or more • With USB ports •...
  • Page 117 5. Troubleshooting 4. Click [Next] button. 5. Select [USB Device] and click [Next] button.
  • Page 118 5. Troubleshooting 6. Click [Start] button. 7. Click [Yes] button for the warning message to start download. Start download...

  • Page 119: Upgrading Via Internet

    5. Troubleshooting 8. Click [OK] button when download is completed. Reboot a device. Please reboot a device. CAUTION: When the Control Panel still shows the download screen even after the host machine is restarted, the internal firmware update has not been completed. Leave it as is for 10 minutes or more and press the Stop button. 9.
  • Page 120 5. Troubleshooting Error message The timing of oc- Remedy currence If update (writing) of 1. Update the firmware again using UST. ***DOWNLOAD MODE*** the firmware has FAILED TO UPDATE ended in failure: ***DOWNLOAD MODE*** If the update of the UPDATE IS COMPLETE firmware is successful...

  • Page 121: Corrective Actions

    5. Troubleshooting Corrective Actions Image Defects ■ Light print Image is light in entire page Cause Solution 1) Print density is not adjusted properly Adjust the print density. Open the Cartridge Cover Unit during a print operation and remove the cartridge. Open the Photosensitive Drum shield of the cartridge to check the toner image on the drum surface.
  • Page 122 5. Troubleshooting ■ Completely blank No image prints Cause Solution 1) The Laser Shutter open/close projection part of the cartridge is Replace the cartridge. damaged 2) The Laser Shutter Arm and Laser Shutter are malfunctioning or If the Laser Shutter Arm or Laser Shutter does not move smoothly damaged or if the part is damaged, replace any defective parts.
  • Page 123 5. Troubleshooting Cause Solution 4) The High-Voltage Power Supply is defective Replace the Engine Controller. ■ Dirt on back The back of page is dirty Cause Solution 1) The print media is dirty Replace the print media to new one. Advice the customer on how to store the print media.
  • Page 124 5. Troubleshooting ■ Dirt on front The front of page is dirty. Cause Solution 1) The print media is dirty Replace the print media to new one. Advice the customer on how to store the print media. 2) Dirt on leading edge of image (Multi-purpose Tray Pickup Roller) Clean the Multi-purpose Tray Pickup Roller. If the dirt does not come off, replace the roller.
  • Page 125 5. Troubleshooting Cause Solution 1) Scratches on the circumference of the Photosensitive Drum Replace the cartridge. 2) The Developing Roller is defective Replace the cartridge. 3) Foreign substance adheres to the Laser Beam Window of the Remove foreign substance from the Laser Beam Window. printer or cartridge 4) Foreign substance adheres to the Fixing Inlet Guide or the guide Clean the Fixing Inlet Guide.
  • Page 126 5. Troubleshooting ■ Misformed image Image is misformed Cause Solution 1) Poor contact exists to the connectors on the Laser Scanner Unit Reconnect the connectors: J801, J802. 2) Poor contact exists to the connectors on the DC Controller Reconnect the connectors: J3, J7. 3) The Laser Scanner Unit is defective Replace the Laser Scanner Unit.

  • Page 127: Debug Log

    5. Troubleshooting Debug Log Function Overview The debug log is a log that analyzes the program behavior of the machine to enable developers to identify problems. This machine is embedded with a function that compiles the log of the behavior of each software module as debug log and outputs it as integrated log for analyzing problems.
  • Page 128 5. Troubleshooting 3. Execute the following service mode from the Control Panel or Remote UI. • COPIER > FUNCTION > SYSTEM > LOG2USB "Executing..." is displayed while log collection is executed. When it is completed, the screen shows the service mode screen again.

  • Page 129: Error/Jam/Alarm

    Error/Jam/Alarm Error Codes........123...

  • Page 130: Error Codes

    6. Error/Jam/Alarm Error Codes Overview This section describes codes shown in case any problem is occurred. Code type Description Reference Error code Shown for any problem occurred in the device. List of error codes Jam code This code is displayed when a jam occurs inside the machine. List of jam codes Alarm code This code is displayed when the machine's function has been partially lost.
  • Page 131 6. Error/Jam/Alarm E Code Detail Item Description Code E110 0000 Detection de- The Laser Scanner did not become ready although a specified period of time had passed. scription Remedy 1. Replace the Laser Scanner Unit. 2. Replace the Engine Controller PCB. E196 1000 Title...
  • Page 132 6. Error/Jam/Alarm E Code Detail Item Description Code E733 0000 Remedy 1. Turn OFF and then ON the main power. 2. Replace the Main Controller PCB. E744 0001 Title Invalid combination of language file versions Detection de- Mismatch of the model for which the firmware was downloaded is detected. scription Remedy Install the firmware according to the model...

  • Page 133: Jamcode

    6. Error/Jam/Alarm E Code Detail Item Description Code E808 0001 Detection de- Failure detection of Low Voltage Power Supply PCB scription Remedy 1. Check the connection of the Engine Controller or the connector. 2. Replace the Engine Controller PCB. JamCode PS916 PS917 PS922...
  • Page 134 6. Error/Jam/Alarm Alarm Code Title A. Operation / B. Cause / C. Action 85-0003 System error Contact the sales company. 85-0004 System error Auto recovery due to replacement with a new Main Controller PCB, which is a service part. 85-0005 System error Auto recovery due to replacement with a used Main Controller PCB.

  • Page 135: Service Mode

    Service Mode Service Mode........129...

  • Page 136: Service Mode

    7. Service Mode Service Mode Overview ■ Service Mode Menu COPIER DISPLAY VERSION MAIN BOOT LANG DEMODATA ECONT PANEL USER SPDTYPE ADJUST FEED-ADJ ADJ-MFY ADJ-MFX ADJ-MFYR ADJ-MFXR ADJ-C1Y ADJ-C1X ADJ-C1YR ADJ-C1XR ADJ-C2Y ADJ-C2X ADJ-C2YR ADJ-C2XR TOUCHCHK TOUCHCHK-R FUNCTION CLEAR SRVC-DAT COUNTER HIST ERDS-DAT...
  • Page 137 7. Service Mode COPIER OPTION BODY LOCALE SIZE-LC MIBCOUNT NS-CMD5 NS-PLN NS-LGN SLPMODE SDTM-DSP RMT-SW PSWD-SW SM-PSWD FNC-SW IMGCNTPR LCDSFLG CRG-PROC CRGLF-K DSPLY-SW CRGLW-LV IMG-MCON REGM-SEL USER SCALL-SW SCALLCMP PS-MODE SMD-EXPT ACC_SLP RPL-IMP WLAN WLANMODE UNIF-OF COUNTER TOTAL SERVICE1 SERVICE2 COPY PDL-PRT RPT-PRT...
  • Page 138 7. Service Mode FUNCTION > SYSTEM > IMPORT / FUNCTION > SYSTEM > EXPORT Restore: Restore backup data of the USB memory FUNCTION > SYSTEM > IMPORT / FUNCTION > SYSTEM > IMPORT Reference: • Saving Registered Data: Remote UI > Settings/Registration > Import/Export > Export •...
  • Page 139 7. Service Mode • Method to display the setting value of switch • On decimal display format, display is left aligned. (Comma is put every 3 digits.) • On binary display format, the most significant bit is placed at the leftmost position and the least significant bit is placed at the rightmost position.

  • Page 140: Copier

    7. Service Mode 3. PSWD-SW: 2 4. Click “Logout” to end the operation. NOTE: After login, if you close the browser without “logout”, it is recognized that you have been “logged in”. Therefore, in order to log in to service mode again, you must wait for a certain period of time (3 minutes) from the last access to make the system timeout or turn OFF/ON the power.
  • Page 141 7. Service Mode COPIER > ADJUST > FEED-ADJ Item Description Details To adjust the write start position in the vertical scanning direction when picking up paper from the Multi-purpose Tray. As the value is changed by 1, the leading edge margin is increased by approx. 0.001 mm. +: Leading edge margin becomes larger.
  • Page 142 7. Service Mode COPIER > ADJUST > FEED-ADJ Item Description Default value ±0 ADJ-C1Y Title Adjustment of the write start position in the vertical scanning direction at pickup from the Cassette Details To adjust the write start position in the vertical scanning direction at pickup from the Cassette 1. As the value is changed by 1, the leading edge margin is increased by approx.
  • Page 143 7. Service Mode COPIER > ADJUST > FEED-ADJ Item Description Default value ±0 ADJ-C2Y Title Adjustment of the write start position in the vertical scanning direction at pickup from the Cassette Details To adjust the write start position in the vertical scanning direction at pickup from the Cassette 2. As the value is changed by 1, the leading edge margin is increased by approx.
  • Page 144 7. Service Mode COPIER > ADJUST > FEED-ADJ Item Description Display/adj/set range -3048 to 3048(-0.12inch to +0.12inch) Unit 0.001mm Default value ±0 COPIER > ADJUST > PANEL Item Description TOUCHCHK Title Correction of coordinate position of Touch Panel Details To correct the coordinate on the Touch Panel. Use case When a problem occurs to the coordinate position in such a way that a position different from the one that was touched reacts.
  • Page 145 7. Service Mode COPIER> FUNCTION> CLEAR Item Description Details Clear/initialize the following setting information according to the location set in COPIER > OPTION > BODY > LOCALE, SIZE-LC: • User mode setting values • Service mode setting values (excluding service counter) •...
  • Page 146 7. Service Mode ■ SYSTEM COPIER> FUNCTION> SYSTEM Item Description PANEL-UP Title Download from USB memory (PANEL) Details To perform downloading when PANEL exists in the root directory of the USB memory. Use case At upgrade Adj/set/operate method 1. Install the USB memory. 2.
  • Page 147 7. Service Mode ■ SPLMAN COPIER> FUNCTION> SPLMAN Item Description SPL14159 Title Fixing of USB device ID Details To fix the USB device ID to "000000000000". Driver for each machine is installed to a PC. However, by fixing the serial number, the PC considers that any connected machine to be the same machine;...
  • Page 148 7. Service Mode COPIER> FUNCTION> SPLMAN Item Description Default value Related service mode COPIER > FUNCTION > SPLMAN > SPL68677 SPL93822 Title Setting of department ID count all clear Details To set whether to disable clearing of all department ID counts. Adj/set/operate method 1.
  • Page 149 7. Service Mode COPIER> FUNCTION> SPLMAN Item Description Details To display the connection destination URL setting of GoogleCloudPrint on the remote UI. Adj/set/operate method 1. Enter the setting value, and then press Apply key. 2. Turn OFF/ON the main power switch. Display/adj/set range Default value SPL71700...
  • Page 150 7. Service Mode COPIER> FUNCTION> INSTALL Item Description Supplement/memo Embedded-RDS: Function to send device information such as the device counter, failure, and consum- ables to UGW via SOAP protocol UGW (Universal Gate Way): Remote monitoring service system COM-TEST Title Execution of Embedded-RDS communication test Details To execute Embedded-RDS communication test.
  • Page 151 7. Service Mode COPIER > OPTION > BODY Item Description Details To set the location. At installation in areas other than Japan, perform the following procedure to match the setting information with that of the location. Use case • At installation •...
  • Page 152 7. Service Mode COPIER > OPTION > BODY Item Description Use case Upon user's request Adj/set/operate method 1. Enter the setting value, and then press Apply key. 2. Turn OFF / ON the main power switch. Display/adj/set range 0 to 1 0 : Used (SMTP server-dependent), 1 : Not used Default value...
  • Page 153 7. Service Mode COPIER > OPTION > BODY Item Description Details It is a new function added to support LOT6.To display the auto shutdown menu in the machine sup- porting LOT6. Adj/set/operate method 1. Enter the setting value, and then press Apply key. 2.
  • Page 154 7. Service Mode COPIER > OPTION > FNC-SW Item Description Details To set the following 3 kinds of operations at the end of CRG life: Not stopped / Stopped once/ Completely stopped. Adj/set/operate method Enter the setting value, and then press Apply key. Display/adj/set range 0 to 2 0 : Not stopped (default of B&W machine)
  • Page 155 7. Service Mode COPIER > OPTION > USER Item Description DisCTCHKDSP play/adj/set 0 to 1 range 0 : OFF 1 : ON Default value TNRB-SW Title ON/OFF of toner replacement counter display Details To set whether to display the toner replacement counter on the Counter Check screen. When 1 is set, the user can check the toner replacement counter.
  • Page 156 7. Service Mode COPIER > OPTION > USER Item Description Display/adj/set range 0 to 63 1 : ( not used) 2 : ( not used) 4 : Compatible with EFI at PS 2-sided delivery 8 : Change of default value of StrokeAdjust 16 : Change of default value of DeferredMediaSelection 32 : Change of printing accuracy of SmallText horizontal line Default value...
  • Page 157 7. Service Mode COPIER > OPTION > ACC Item Description Display/adj/set range 0 to 1 0: Disabled 1: Enabled Default value 1 (All models) UNIF-OF Title Forcible deactivation of the uniFLOW function Details If this switch is set to 1 and the device power is turned OFF and then ON while the uniFLOW function is in active state, the uniFLOW function is forcibly deactivated.

  • Page 158: Testmode

    7. Service Mode COPIER > COUNTER > Item Description Default value TESTMODE ■ PRINT TESTMODE> PRINT Item Description START Title Output of test print Details To output a test print with the PG pattern set in PG-TYPE, MODE, etc. Use case At trouble analysis Adj/set/operate method Enter the setting value, and then press Apply key.
  • Page 159 7. Service Mode TESTMODE> PRINT Item Description Display/adj/set range 0 to 4 (Default 0) 0: TBIC 1: Resolution dithering 2: Gradation dithering 3: Color tone dithering 4: High-resolution dithering Default value THRU Title Setting of image correction table at test print Details It is possible to check the density characteristics due to the density correction process when nor- mal gamma LUT is used, and the density characteristics of the engine when the linear gamma...

  • Page 160: Service Report

    7. Service Mode SERVICE REPORT ■ MISC-P COPIER> FUNCTION> MISC-P Item Description CNTR Title Output of counter report Details To output the counter report. The usage of functions (reading, recording, communication and copy) is output. Adj/set/operate method Select the item, and then press Yes key. ERR-LOG Title Output of error log report...

  • Page 161: Appendices

    APPENDICES Service Tools........155 General Circuit Diagram....156 Print Sequence........157 Backup Data........158 Soft Counter Specifications....160...

  • Page 162: Service Tools

    Service Tools Service Tools Special Tools No special tools are required for servicing this printer other than the standard tools. Solvents and Oil List Type Purpose Remark Lubricant Apply to gear • MOLYKOTE® EM-50L (Dow Corning Corporation) • Tool No. HY9-0007...

  • Page 163: General Circuit Diagram

    General Circuit Diagram General Circuit Diagram All-night SOFT-ID Power PCB J213M J213F PS918 INL101 CN1M CN1F SOLD25 +3.3V AC-H SOLD26 Output Tray SOLD27 /FULSNS Full Sensor AC-N +3.3V 39 38 37 36 35 34 33 32 31 28 27 26 25 24 23 22 21 20 19 18 17...

  • Page 164: Print Sequence

    Print Sequence Print Sequence Timing chart two consecutive prints Power switch ON Operation WAIT STBY INTR PRINT LASTR STBY TOP sensor (PS912) Fixing delivery sensor (PS915) Print start command (EEC12) Scanner Motor Laser Diode BD Output signal (BDO) Main Motor (M1) Primary Charging Bias (AC) Primary Charging Bias (DC) Developing Bias...

  • Page 165: Backup Data

    Backup Data Backup Data Data Location Replace Delete Backup by User Backup by Service Menu > System Management Settings COPIER > FUNCTION > CLEAR Engine Con- Main Con- eMMC *1 Initialize All Initializing Initializing System SRVC-DAT COUNTER HIST *3 ALL *4 ERDS-DAT Yes/No Method...
  • Page 166 Backup Data *6. The system administrator ID and the password are changed back to the default values. ID: 7654321 / PWD: 7654321. *7. FUNCTION > SYSTEM > IMPORT / FUNCTION > SYSTEM > EXPORT *8. Settings/Registration > Import/Export *9.Setting Menu List > System Management Settings > Import/Export of Settings...

  • Page 167: Soft Counter Specifications

    Soft Counter Specifications Soft Counter Specifications The numbers entered for software counters are classified as follows: Counter Details Counter Name Total1 Total 1 Total2 Total 2 Total (Black / Small) Total (Black / Small) Total1 (2-Sided) Total 1 (2-Sided) Toner replacement /Black *1 Toner replacement /Black *1:The counter can be displayed in COPIER >...

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