Oki C9800 Series Service & Troubleshooting Manual
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Oki C9800 Series Service & Troubleshooting Manual

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See also: Service Manual , Configuration Manual
C9800 Series / pro900 Series
Service & Troubleshooting Guide
© 2010 OkiData Americas, Inc.
Disclaimer
Every effort has been made to ensure that the information in this document is complete, accurate, and up to date. The manufacturer assumes no responsibility
for the results of errors beyond its control. While all reasonable efforts have been made to make this document accurate and helpful as possible, we make no
warranty of any kind, expressed or implied, as to the accuracy or completeness of the information contained herein. For the most up-to-date service information
available, visit our website at www.okidata.com © Okidata Americas, Inc. 2010

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  • Page 1 C9800 Series / pro900 Series Service & Troubleshooting Guide © 2010 OkiData Americas, Inc. Disclaimer Every effort has been made to ensure that the information in this document is complete, accurate, and up to date. The manufacturer assumes no responsibility for the results of errors beyond its control.

  • Page 2: Table Of Contents

    Contents Chapter 1 Printer Maintenance Procedures Service Maintenance Procedures Cleaning the Printer Cleaning the Imaging Unit Contacts Cleaning the LED Heads Cleaning the Feed Rollers...
  • Page 3 Chapter 2 User Menu and Adjustments 2.1 Accessing the User Menu Main Menus Sub Menus Configuration Print Page Count • Finisher Count • Supplies Life Network • Paper Size in Tray • System Print Pages Print Pages Suspend Printing Resume Printing Print Secure Job Print Secure Job Menus...

  • Page 4: Troubleshooting Print Quality

    Chapter 3 Troubleshooting Print Quality An Overview of Print-Quality Problems Print-Quality Problems Overview Defects Associated with Specific Printer Components Generating and Analyzing Test Prints Generating and Analyzing Control Panel Test Prints Generating and Analyzing Service Test Prints Generating and Analyzing Print Engine Test Prints Print-Quality Troubleshooting Practices Light Prints in All Colors Light Print in Only One Color...

  • Page 5: Troubleshooting Paper Jams

    Chapter 4 Troubleshooting Paper Jams 4.1 Open Cover - Paper Jam – Tray X Side Cover 4.2 Open Cover - Paper Jam – Side Cover 4.3 Open Cover - Paper Jam – Top Cover 4.4 Paper Jam – Duplex Unit...

  • Page 6: General Troubleshooting

    Chapter 5 Troubleshooting Self Diagnostic Codes Self Diagnostic Error Codes Self Diagnostic Error Codes (Printer) Self Diagnostic Error Codes (Finisher) Self Diagnostic Error Codes (Other Codes) General Troubleshooting No Control Panel Display Control Panel LED is on, No Control Panel Display Printer does not appear to Operate at Power On.

  • Page 7: Printer Maintenance Procedures

    Chapter 1 Printer Maintenance Procedures 1.1 Service Maintenance Procedures Perform the following procedures whenever you check, service, or repair the printer. Cleaning the printer, as outlined in the following steps, assures proper operation of the printer and reduces the probability of having to service the printer in the future. The frequency of use, Average Monthly Print Volume (AMPV), type of media used, and operating environment are factors in determining the frequency of this maintenance procedure.

  • Page 8: Cleaning The Printer

    1.2 Cleaning the Printer Perform the following general cleaning steps as indicated by the printer’s operating environment. Caution Never apply alcohol or other chemicals to any parts in the printer. Never use a damp cloth to clean up toner. If you remove the Image Drum Units, place them in a light protective bags or similar means to protect the drums as exposure to light can quickly degrade performance and result in early failure.

  • Page 9: Cleaning The Led Heads

    1.4 Cleaning the LED Heads Clean the LED Head if a vertical White band or White stripe appears on the print. Caution Always use a soft, dry, lint-free cloth to clean the LED Heads. Never use solvents to clean the lens. Open the Top Cover.
  • Page 10 Chapter 2 User Menu and Adjustments 2.1 Accessing the User Menu Press the menu up arrow to access the User Menu. Functions *Configuration Print Pages Suspend Printing Resume Printing User Mode Menus Main Menus Sub Menus Configuration Print Page Count • Finisher Count • Supplies Life Network •...

  • Page 11: Finisher Count

    Configuration Print Page Count Item Description Displays the number of color printed pages converted to letter equivalent. Color Page Monochrome Page Displays number of monochrome printed pages converted to letter equivalent. Traym Displays the Total Pages from each Tray MP Tray Displays the Total Pages from the MP Tray Finisher Count Item...
  • Page 12 Paper Size in Tray Item Description Displays detected paper size of selected Tray Tray Displays detected paper size of the MP Tray. MP Tray System Item Description Serial Number Displays serial no. of the printer. Asset Number Displays Asset Number. Asset Number is 8 alphanumeric characters that can be assigned by a user.

  • Page 13: Resume Printing

    Prints e-mail log. Usage Report* Prints a usage report. (must be activated from the Print Statistics menu) Statistics Log Prints Oki job log details. Error Log Prints the error log. E-mail Log Prints e-mail log. PrintMe Log Prints e-mail log.

  • Page 14: Print Secure Job

    Print Secure Job Print Secure Job Item Description Enter Password Enter a password to use secure printing. Use a secure printing job (Secure Job) or a job Stored to HDD when printing. Not Found When you print a Secure document, it is deleted from the HDD. When you print a document Stored to HDD, it prints and remains stored on the HDD until you Secure Job manually delete it.

  • Page 15: System Adjust

    System Adjust Item Description (Printer Defaults are indicated in Blue) Sets the period after which power save mode starts. 5 min, 15 min, 30 min, min, Power Save Time 240 min When Online is selected, you must manually clear the warning by pressing the Online Clearable Warning button.

  • Page 16: Admin Setup

    BG Setting (New) allows for minor corrections in print anomalies such as "dirty background" due to environmental conditions (temperature, humidity, media) Drum Cleaning Set to produce idling of a drum before printing in order to reduce horizontal white lines. This will shorten image drum life. Default is Off.
  • Page 17 Calibration Exit Calibration Item Description Exit Calibration Select “enter” to exit the calibration screen Auto Density Mode Item Description Adjust Density Mode / Off – Turns On or Off the Auto Density Mode Auto BG Adjust Mode Item Description Auto BG Adjust Mode *Off , -1,0,+1,+2 –...

  • Page 18: Print Statistics

    Calibrate Item Description *6X6 Dot Screen Print limits Pg. Yes / See “Calibrating the Printer” in 12X6 Dot Screen Print limits Pg. Yes / See “Calibrating the Printer” in 12X6 Line Screen Print limits Pg. Yes / See “Calibrating the Printer” in 12X12 Dot Screen Print limits Pg.

  • Page 19: Accessing Service Mode

    Service Modes & Adjustments 2.2 Accessing Service Mode Enter Service Mode by holding down the menu up / menu down and help buttons at the same time while powering up the machine. (This may take up to 60 seconds.) The System Maintenance Menu will appear. Initialization Please wait…...

  • Page 20: Accessing Motor & Clutch Test

    Button Function _____________________________________________________________________ Back Returns to the prior higher level menu structure, if available. If help text is displayed, pressing Back restores the current menu item. _____________________________________________________________________________ Cancel Terminates the current test or cancels current Help display. _____________________________________________________________________ Help Provides help information, if available. Pressing Help (?) again restores the current menu item and removes the help text.
  • Page 21 Using the Motor & Clutch Test Enter Service Mode by holding down the menu up / menu down and help buttons at the same time while powering up the machine. (This may take up to 60 seconds.) From Diagnostic Mode Down arrow to “Motor &...
  • Page 22 Fan Tests Item Tested Remark FAN ID Runs black image drum Fan for 10 seconds FAN BELT Runs the Transfer Belt Fan for 10 Seconds FAN FUSER Runs the Fuser Fan for 10 Seconds FAN PU-BOARD Runs the PU Board Fan for 10 Seconds FAN POWER Runs the Power Supply Fan for 10 Seconds Inverter Tests...
  • Page 23 Using the Switch Scan Test Enter Service Mode by holding down the menu up / menu down and help buttons at the same time while powering up the machine. (This may take up to 60 seconds.) The System Maintenance Menu will appear. From Diagnostic Mode, Down arrow to “Switch Scan”...
  • Page 24 MPT PE_ MPT-Paper- Port Level MPT- H:ON Cover-MPT H - Open MPT Home H - Open HOP_CVO_HOME End Sensor H, L Hopping L:OFF L - Close Position L – Close TRAY1 PE_ 1st-Paper- Port Level 1st-Paper- Port Level Cover-1st H - Open PNE_CVO H, L Near-End...
  • Page 25 Switch Scan Test (Finisher / Inverter) Location 1 Location 2 Location 3 Location 4 Display Detail Sensor Display Sensor Display Sensor Display Sensor Display on Printer LCD Tested Condition Tested Condition Tested Condition Tested Condition FIN S01_S02_ Upper H:OPEN Front door H:OPEN Front door H:OPEN...

  • Page 26: Calibrating The Printer

    2.6 Service Adjustments Calibrating the Printer Select the User Menu (See Accessing the User Menu) 1. On the front panel of the printer press the Down Arrow button until Calibration highlighted, then press the Enter button 2. Press the Down Arrow until Adjust Density is highlighted, and press the Enter button...
  • Page 27 Calibrating the Printer using an ES-1000 Spectrophotometer Materials Needed: 9800 series/pro900DP Windows 2000 or Windows XP Laptop Computer Command Workstation 4 installed (verify latest version) Crossover cable ES 1000 Spectrophotometer Open USB connector on Laptop (1.2 or 2.0 High Power) for the ES 1000 Step 1 Setting up the Service Laptop to communicate with the printer Set up the Service Laptop computer via the crossover cable to the printer.
  • Page 28 When finished the printer will appear. Click on the correct IP address and select Add. If the device does not appear, temporarily turn off all filtering (Virus) software on your laptop and try again. C9800 9800A3 192.168.XX.XX The following screen will appear. Select the watch icon and the Command Workstation log in will appear.
  • Page 29 C9800 – 9800A3 (192.168.XX.XX Select the Administrator Key and select Log In You have now successfully logged in to Command Workstation...
  • Page 30 Step 3 Setting up the ES 1000 Spectrophotometer...
  • Page 31 Once installation is complete, re-launch Command Workstation...
  • Page 46 Chapter 3 Troubleshooting Print Quality 3.1 Print-Quality Problems Overview Print-quality defects can be attributed to printer components, consumables, media, internal software, external software applications, and environmental conditions. To successfully troubleshoot print-quality problems, eliminate as many variables as possible. The first step is to generate prints using printable pages embedded in the printer on paper from the Supported Media List.

  • Page 47: Test Prints

    Transfer Unit • Toner on the back side of the printed page (simplex mode) • Light Prints • Repeating Defects • Mis-registration - only when there is obvious damage to the belt. Fuser • Hot or Cold Offsetting • Repeating Defects •...
  • Page 48 To generate the “ID Check Pattern” test print select “Menu” arrow down to “Print Pages” Configuration Print Pages Suspend Printing Resume Printing Arrow down to “ID Check Pattern” Select “Enter” Usage Report Statistics Report Error Log ID Check Pattern Things to observe when analyzing the ID Check Pattern test page include: •...
  • Page 49 Generating and Analyzing Service Test Prints Generating and Analyzing 100% Solid Fill Test Pages These prints consist of 100% solid fill in CMYK. Each color can be selected individually or in combinations. Enter Service Mode by holding down the menu up / menu down and help buttons at the same time while powering up the printer unit.
  • Page 50 Page down to “Color”- Select “On” Color Select “On Line” Key. Screen will appear where you can select each color to print. Use the “ON Line” Key to turn off all colors you do not wish to print. Example: for a “Magenta” print, turn off “Yellow”, “Cyan”, and “Black”.
  • Page 51 Page down to “Print Execute” – Select “Enter” to print selected test page Test Print Print Execute Things to observe when analyzing the 100% fill test page include: Wrinkling Creases Roller marks Scratches Repeating defects or banding Missing Color(s) Streaks Voids 1.
  • Page 52 Generating and Analyzing Print Engine Test Prints Analyzing the PS Test Pattern Color Registration (Horizontal): The colored lines should match up. Color Registration (Vertical): The colored lines should match up. Uniform RGB / CMYK: color squares should be uniformly colored with no mottling.
  • Page 53 Print-Quality Troubleshooting Practices Initial Actions to perform prior to using any of these troubleshooting procedures. Ask specific questions of the operator to determine actual problem Generate Configuration Pages to ascertain if all updates are installed, consumable life and to use for reference after changes are performed Generate ID Check Pattern test print, PS Test Page, and Demo Page Follow Standard Preventative Maintenance procedures and clean the printer Verify the media used is supported by the printer.

  • Page 54: Light Prints In All Colors

    Light Prints in All Colors The overall image density is too light in all colors. If the image is light in only one color, see "Light Print in Only One Color". Initial Actions to Perform Perform Initial Actions from Print Quality Troubleshooting Practices Verify the media used is supported by this printer.

  • Page 55: Light Print In Only One Color

    Light Print in Only One Color Only one color; yellow, magenta, cyan, or black, is too light on the printed image. Initial Actions to Perform Perform Initial Actions from Print Quality Troubleshooting Practices Verify that color calibration has been performed prior to using this troubleshooting procedure. Check that the Toner Cartridge pull strip is completely removed from the affected color.

  • Page 56: Blank Prints

    Blank Prints Initial Actions Perform Initial Actions from Print Quality Troubleshooting Practices Run a test print to help isolate the problem between the Fiery Control Board and the Engine Control Board. Areas of the Printer that Apply to Blank Prints Imaging Unit LED Head Engine Control Board...

  • Page 57: Mottled Or Splotchy Prints

    Mottled or Splotchy Prints The print image has a mottled appearance. Note: This defect is known to occur when manually duplexing, at low humidity, and when printing on heavy weight media. Initial Actions Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Mottled or Splotchy Prints Imaging Unit LED Head...

  • Page 58: Unexpected Colors

    Unexpected Colors The colors produced by the printer are dramatically different from the color expected. Initial Actions Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Unexpected Colors Imaging Unit HVPS Engine Control Board Troubleshooting Steps Resolution 1.
  • Page 59 Repeating Bands, Lines, Marks, or Spots This is usually caused by a damaged roller. In some instances, the spots may be dark instead of white and are repeated. Initial Actions Perform Initial Actions from Print Quality Troubleshooting Practices Print the Color Test pages to identify the color causing the defect.

  • Page 60: Initial Actions

    Random Bands, Lines, Marks, or Missing Spots There are areas of the image extremely light or are missing entirely and do not appear to be a repeating defect or in a single color. Caution Leaving an Imaging Unit exposed to light for periods in excess of 10 minutes can quickly degrade its performance and result in early failure.

  • Page 61: Random Spots

    Random Spots There are spots of toner randomly scattered across the page. Toner melting off the Fuser thermistors can also place random spots onto prints. Initial Actions Perform Initial Actions from Print Quality Troubleshooting Practices Verify the Imaging Unit, Fuser, and Transfer Unit are not at or near end of life. Waste toner, especially from the Transfer Unit, can cause random spots to appear on the page.
  • Page 62 Background There is a very light covering of toner across the entire page. Background contamination can appear in one of the primary colors or gray. The printer displays no error code. Note Depending on the type of paper and environmental conditions, some light amount of random background spotting is normal.
  • Page 63 Ghosting or Hot Offset There are faint, ghostly images appearing on the page. The images may be either from a previous page or from the current page. This type of artifact can be related to the percent coverage called out in the file being printed. If the colors are offset by less than 10 mm, this represents mis-registration, not ghosting.

  • Page 64: Incomplete Fusing Or Cold Offset

    Incomplete Fusing or Cold Offset The Fuser temperature is set too low for the media loaded in the tray causing improper fusing resulting in the toner rubbing off easily. Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices Verify the correct media type is set at the printer’s Control Panel. Areas of the Printer that Apply to Incomplete Fusing or Cold Offset Fuser Media Thickness Sensor...
  • Page 65 Mis-Registration, Color Layers Not Correctly Registered The image appears blurred and the primary colors are not aligning correctly into one image. For a page oriented Long-Edge Feed, the following applies: If the colors are shifted from left to right, this is mis-registration in the process direction.
  • Page 66 12. Are the LED Head ribbon cables undamaged, properly routed and seated? Yes – Go to Step 13. No - Reseat, correctly route or replace the wiring harness. 13. Swap the LED Head of the problem color with any other LED Head. Print a Yes –...

  • Page 67: Toner On Back Of Print

    Toner on Back of Print There is toner on the back of the printed sheet of paper. Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Toner on Back of Print Imaging Unit Transfer Unit Troubleshooting Steps Resolution...

  • Page 68: Image Not Centered Or Positioned Correctly

    Image Not Centered or Positioned Correctly The image is not centered on the page correctly Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Image Not Centered or Positioned Correctly Imaging Unit Transfer Unit Troubleshooting Steps Resolution...
  • Page 69 Process Direction Bands, Voids, or Streaks There are areas of the image that are extremely light or missing entirely. These missing areas form wide bands that run along the page parallel to the leading edge of the paper Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Process Direction Bands, Voids, or Streaks...
  • Page 70 Scan Direction Bands, Voids, or Streaks There are areas of the image that are extremely light or are missing entirely. The missing areas form bands that run along the page from the leading edge to the trailing edge in the direction of paper travel.

  • Page 71: Scan Direction Dark Streaks

    Scan Direction Dark Streaks There are dark lines running parallel with the leading edge of the print. Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices Areas of the Printer that Apply to Scan Direction Dark Streaks Imaging Unit Transfer Unit belt Troubleshooting Steps Resolution...
  • Page 72 Process Direction Lines or Streaks There are dark lines running along the page in the direction of paper travel from the leading edge to the trailing edge. This is generally due to Fuser, paper path roller and/or exit guides contaminated with toner debris. Initial Actions: Perform Initial Actions from Print Quality Troubleshooting Practices...
  • Page 73 Chapter 4 Troubleshooting Paper Jams 4.1 Open Cover - Paper Jam – Tray X Side Cover 4.2 Open Cover - Paper Jam – Side Cover 4.3 Open Cover - Paper Jam – Top Cover 4.4 Paper Jam – Duplex Unit...

  • Page 74: Open Cover - Paper Jam – Tray X Side Cover

    4.1 Open Cover - Paper Jam – Tray X Side Cover Squeeze the catch on tray X side cover (1) and open the cover Holding it by the tab (2), turn the paper guide outward...
  • Page 75 Carefully remove the jammed paper Return the paper guide back into position and close the cover...

  • Page 76: Open Cover - Paper Jam – Side Cover

    4.2 Open Cover - Paper Jam – Side Cover If the MP tray is open, close it so that the side cover (1) is visible Pull the release lever (2) and open the side cover...
  • Page 77 Carefully remove the jammed paper Close the side cover...

  • Page 78: Open Cover - Paper Jam – Top Cover

    4.3 Open Cover - Paper Jam – Top Cover Squeeze the top cover handle (1) and open the top cover Squeeze the basket handle and raise the drum basket...
  • Page 79 Carefully remove any paper on the belt If paper is jammed in the fuser unit, push the lock lever (3) in the direction shown to release it Holding the fuser unit (4) by the handle, lift it out of the printer and place it on a flat surface...
  • Page 80 Pull the jam release levers (5) and remove the paper Carefully replace the fuser unit into the printer and turn the lock lever in the direction shown to lock the fuser unit...
  • Page 81 If paper is jammed near the paper exit, open the face up stacker (7) Open the side cover paper exit (8) and remove the jammed paper...
  • Page 82 Close the side cover and then the face up stacker Return the drum basket (9) into position and check that it is locked...
  • Page 83 Close the top cover and ensure that it is latched...

  • Page 84: Paper Jam – Duplex Unit

    4.4 Paper Jam – Duplex Unit Operate the duplex cover release lever (2) and open the duplex co e Carefully remove any jammed paper...
  • Page 85 Operate the levers (3) and pull out the duplex unit Holding the front top cover by the grip (4), push it gently inwards and raise it...
  • Page 86 Remove any jammed paper In a similar manner, check for and clear any jammed paper in the rear cover...
  • Page 87 Replace the two top covers Raise the front cover of the duplex unit...
  • Page 88 Push the duplex unit back into position...

  • Page 89: Self Diagnostic Error Codes (Printer)

    Chapter 5 Troubleshooting Self Diagnostic Codes Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy CPU Exception Power Off/On. 001 = ASP PCB Key Chip Error Replace the CU PCB 002 = Unauthorized HDD Copy (must move EEPROM to new board) 003 = Unauthorized Software Configuration 004 = EEPROM Missing Power Off/On.
  • Page 90 Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy Image Processor Driver Error Replace CU PCB (must replace EEPROM) Parallel Interface Driver Error Replace CU PCB (must replace EEPROM) USB Drive Error Replace CU PCB (must replace EEPROM) Check Connections Network Communication Error Replace Network PCB if applicable Replace CU PCB (must replace EEPROM)
  • Page 91 Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy 111 to 117 An Optional Unit for Another Model is Detected Install Option / Check Connections Replace Engine Control Board 111 = Duplex 112 = 2 Tray 113 = 3 Tray 114 = 4 Tray 115 = 5 Tray...
  • Page 92 Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy 167 to 169 167 = Thermistor Slope error See “Fuser Failure” page 99 168 = Compensation Thermistor Error 169 = Upper Side Thermistor Error 170 to 176 Fuser thermistor Short Circuit / Open Circuit See “Fuser Failure”...
  • Page 93 Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy The Printer Engine Top Cover is Open See “Top Cover Open Error” page 130 Fuser Unit is Detected as Missing See “Fuser Unit Detected as Missing” page 131 Motor Overheated See “ Motor Overheating Error” page 101 323 to 326 Open Cover Paper Thickness Error...
  • Page 94 Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy Paper Output Stacker Full Error Check Sensor / Connections Check / Replace stacker Full Sensor MP Tray Out of Paper Error Check Sensor / Connections Check / Replace Sensor 491 to 495 Tray Out of Paper Error Check Sensor / Connections 491 = Tray 1...

  • Page 95: Self Diagnostic Error Codes (Finisher)

    Self Diagnostic Error Codes (Printer) Code Cause/Description Remedy Sub CPU Clock Frequency Error Check Connections of the Engine PCB (S2M) Replace the Engine PCB 931 to 935 Clock Frequency Error Check Sensor / Connections 931 = Duplex Replace for: 932 = Inverter 931 = V72-2 Board (Duplex Control Board) 933 = Tray 2 932 = V72-3 (Inverter Control Board)

  • Page 96: Self Diagnostic Error Codes (Other Codes)

    096-11 Punch Debris Sensor Error Check / Replace Sensor 096-0A Check / Replace Punch Motor Home position Sensor Punch Motor Error Check / Replace Punch Motor Check / Replace Punch Feed Motor 096-0B Punch Feed Motor Error Home Position Sensor 096-0C Punch Interface Error Check Connections...

  • Page 97: No Control Panel Display

    5.2 General Troubleshooting No Control Panel Display Troubleshooting Procedure Initial Actions: Remove and reseat the Fiery Control Board. Print an engine test print. Replace the Fiery Control Board. See “DC Power Supply Troubleshooting”. Control Panel LED is on, No Control Panel Display Troubleshooting Procedure Initial Actions: Remove and reseat the Fiery Control Board.

  • Page 98: Troubleshooting Ram Memory Failures

    Troubleshooting DC Power Supply Troubleshooting Procedure Initial Actions: Perform the AC power supply troubleshooting procedure. Replace the Low Voltage Power Supply (LVPS). Troubleshooting RAM Memory Failures Troubleshooting Procedure Initial Actions: Check that the RAM devices are making positive contact with their connectors. Power off the printer.

  • Page 99: Fuser Failure

    Troubleshooting Error Codes Fuser Failure The Fuser temperature regulation has failed. Error Codes that Apply 167 to 169 170 to 176 Initial Troubleshooting Actions to Take Reseat the Fuser. Cycle the printer's power. Test wall Voltage Parts of the Printer that Apply Fuser LVPS Engine Control Board...

  • Page 100: Environmental Sensor Failure

    Environmental Sensor Failure The Environmental Sensor has failed. Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Environmental Sensor Environmental Sensor Wiring Engine Control Board Troubleshooting Procedure Steps...
  • Page 101 Imaging Unit Motor Overheating Failure Error Codes that Apply Initial Troubleshooting Actions to Take Ensure that the temperature and installation clearances of the printer are at specifications. Clean all fan ducts. Turn the printer off and allow a minimum of 30 minutes for cooling. Restart the printer.

  • Page 102: Engine Control Board Failure

    Engine Control Board Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the Printers Power If the problem persists follow the procedure below. Parts of the Printer that Apply Engine Control Board EEPROM Engine Control Board Troubleshooting Procedure Steps Action Taken Cycle power to the printer.

  • Page 103: Lvps Power Supply Failure

    LVPS Power Supply Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the Printers Power If the problem persists follow the procedure below. Parts of the Printer that Apply LVPS Troubleshooting Procedure Steps Action Taken Visually inspect the LVPS for damage Clean the LVPS if dirty.

  • Page 104: Controller Fan Failure

    Controller Fan Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the Printers Power If the problem persists follow the procedure below. Parts of the Printer that Apply Fiery Control Board Fan Troubleshooting Procedure Steps Action Taken Test the cooling fan for proper Replace the Engine Go to Step 2.

  • Page 105: Power Supply Fan Failure

    Power Supply Fan Failure Error Codes that Apply Initial Troubleshooting Actions to Take Clear any obstructions from the LVPS Fan vent. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply LVPS Fan LVPS Engine Control Board Troubleshooting Procedure...

  • Page 106: Fan Failure

    Fan Failure Error Codes that Apply Fuser Fan Fuser Fan Power Fan PU Motor Fan Belt Fan Image Drum Fan Top Cover Fan Duplex Fan Initial Troubleshooting Actions to Take Ensure that the temperature and installation clearances of the printer are at specifications. Clean all fan ducts.

  • Page 107: Duplex Interface Failure

    Duplex Interface Failure Error Codes that Apply 181, 919 Initial Troubleshooting Actions to Take Reseat the Duplex Unit Cycle the Printers Power If the problem persists follow the procedure below. Parts of the Printer that Apply Duplex Unit Motor Driver Board Troubleshooting Procedure Steps Action Taken...
  • Page 108 Tray 1, 2, 3, 4 Communication Errors Error Codes that Apply Tray 1 Motor Error Tray 2 Motor Error Tray 3 Motor Error Tray 4 Motor Error Tray 2 Abnormal Voltage Detection Tray 3 Abnormal Voltage Detection Tray 4 Abnormal Voltage Detection Initial Troubleshooting Actions to Take Cycle the Printers Power If the problem persists follow the procedure below.

  • Page 109: Inverter Unit Interface Failure

    Inverter Unit Interface Failure Error Codes that Apply Initial Troubleshooting Actions to Take Reseat the Finisher connections. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Inverter Control Board Finisher Power Cord Engine Control Board Troubleshooting Procedure Steps...
  • Page 110 Cyan, Magenta, Yellow, Black LED Failure Error Codes that Apply Yellow, Magenta, Cyan, Black Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply LED Head LEDPWR harness LED Relay Board YK LED DATA harness CM LED DATA harness...

  • Page 111: Fuser Fan Failure

    Fuser Fan Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fuser Fan Fuser Fan harness Engine Control Board Troubleshooting Procedure Steps Action Taken Test the cooling fan for proper...
  • Page 112 Fuser 110V/220V Mismatch Error Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fuser Engine Control Board Troubleshooting Procedure Steps Action Taken Ensure the proper Fuser (110v vs.

  • Page 113: Unsupported Duplex Unit Rom

    Unsupported Duplex Unit Rom Error Codes that Apply Initial Troubleshooting Actions to Take Reseat the Duplex Unit Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Duplex Unit Engine Control Board Troubleshooting Procedure Steps Action Taken...

  • Page 114: Fuse Cut Error (Fuser)

    Fuse Cut Error (Fuser) Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fuser Engine Control Board Troubleshooting Procedure Steps Action Taken Test the Fuser fuse.
  • Page 115 Fuse Cut Error (Transfer Belt Unit) Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Transfer Unit HVPS Cover HVPS Engine Control Board Troubleshooting Procedure Steps Action Taken...
  • Page 116 Fuse Cut Error C, M, Y, K Imaging Drum Unit Error Codes that Apply Yellow Magenta Cyan Black Initial Troubleshooting Actions to Take Reseat the indicated Imaging Unit Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply C, M, Y, K Imaging Unit Imaging Unit Sensor Board...
  • Page 117 Controller to Engine Board Communication Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fiery Control PCB Engine Control Board Troubleshooting Procedure Steps Action Taken Cycle power to the printer.

  • Page 118: Finisher Interface Error

    Finisher Interface Error Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Finisher Control Board Finisher Interface Cable Finisher Power cord Engine Control Board Troubleshooting Procedure Steps Action Taken...

  • Page 119: Inverter Power Supply Failure

    Inverter Power Supply Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Inverter Power Supply Inverter Interface Cable Inverter Power cord Engine Control Board Troubleshooting Procedure Steps...
  • Page 120 Control Panel Communication Failure Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Control Panel Control Panel Interface Cable Engine Control Board Troubleshooting Procedure Steps Action Taken...

  • Page 121: Error In The Transfer Belt

    Error in the Transfer Belt Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Transfer Unit Transfer Unit Motor Belt Rotation Sensor Engine Control Board Troubleshooting Procedure Steps...
  • Page 122 C, M, Y, K Imaging Drum Unit Failure Error Codes that Apply Yellow Drum Unit Failure Cyan Drum Unit Failure Magenta Drum Unit Failure Black Drum Unit Failure Initial Troubleshooting Actions to Take Reseat the indicated Image Drum Unit Cycle the printer's power. If the problem persists follow the procedure below.
  • Page 123 Test the indicated Imaging Unit Motor 1. Remove the affected Imaging Unit. Replace the motor. If 2. Close the Interlock Switches. Go to Step 6. the error persists, Run the Motor Clutch test for the go to Step 6. affected motor. Does the motor function correctly? Check the Up/Down Mechanism and associated gears.
  • Page 124 Engine Board Flash Memory Error Error Codes that Apply Flash memory Hardware Duplex Flash Memory Tray 3 Flash Memory Tray 4 Flash Memory Sub CPU Flash Memory Inverter Flash Memory Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Engine Control Board Troubleshooting Procedure...

  • Page 125: Duplex Unit

    Unsupported ROM Error Codes that Apply Duplex Unit Tray 2 Unit Tray 3 Unit Tray 4 Unit Finisher Unit Inverter Unit Initial Troubleshooting Actions to Take Reseat the Unit in Question Cycle the Printers Power If the problem persists follow the procedure below. Parts of the Printer that Apply Unit indicated by the Code Engine Control Board...

  • Page 126: Toner Sensor Detection Error

    Toner Sensor Detection Error Error Codes that Apply Yellow Magenta Cyan Black Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Toner Cartridge Image Drum Unit Toner Motor Imaging Drum Unit Sensor Board Engine Control Board...
  • Page 127 MT Home Position Detection Error Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply MPT Home Position Sensor Home Position Sensor Harness Registration Motor Engine Control Board Troubleshooting Procedure...
  • Page 128 Toner Feed Switch Error/Toner Lock Lever Error Error Codes that Apply Yellow Magenta Cyan Black Initial Troubleshooting Actions to Take Ensure that the Toner Cartridges are fully seated and locked into position Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Toner Cartridge Image Drum Unit...

  • Page 129: Color Up/Down Error

    Color Up/Down Error Error Codes that Apply Initial Troubleshooting Actions to Take Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Up/Down Motor Front Up/Down Mechanism Rear Up/Down Mechanism Engine Control Board Troubleshooting Procedure Steps Action Taken...

  • Page 130: Top Cover Open Error

    Top Cover Open Error Error Codes that Apply Initial Troubleshooting Actions to Take Ensure that the Top Cover Latch is free of obstructions and fully closed. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Top Cover Interlock Switch HVPS Engine Control Board...

  • Page 131: Fuser Unit Detected As Missing

    Fuser Unit Detected as Missing Error Codes that Apply Initial Troubleshooting Actions to Take Ensure that the Fuser Latch is free of obstructions and fully engaged. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fuser Fuser Release Sensor Engine Control Board...
  • Page 132 ID Unit Life Error Error Codes that Apply Yellow Magenta Cyan 353Black Initial Troubleshooting Actions to Take Print a Configuration Page to verify remaining life. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply C, M, Y, K Imaging Unit Engine Control Board Troubleshooting Procedure...

  • Page 133: Fuser Life Error

    Fuser Life Error Error Codes that Apply Initial Troubleshooting Actions to Take Replace the Fuser. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Fuser Unit Engine Control Board Troubleshooting Procedure Steps Action Taken Generate a Configuration Page and...

  • Page 134: Belt Life Error

    Belt Life Error Error Codes that Apply Initial Troubleshooting Actions to Take Replace the Transfer Unit. Cycle the printer's power. If the problem persists follow the procedure below. Parts of the Printer that Apply Transfer Unit Engine Control Board Troubleshooting Procedure Steps Action Taken Generate a Configuration Page and...

  • Page 135: Toner Out Error

    Replace the affected Toner Cartridge. Go to Step 3. Complete Does the error persist after a genuine Oki Toner Cartridge is installed? Check all pins of the RFID Harness for Replace the RFID Replace the RFID continuity. Remove the Top Cover.

This manual is also suitable for:

Pro900 series

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