Oki ES3640 MFP User manual

ES3640MFP / CX3641MFP
Service & Troubleshooting Guide
©2008 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. 2008

Contents
Chapter 1
Printer Maintenance Procedures
1.1 Service Maintenance Procedures
1.2 Cleaning the Printer
1.3 Cleaning the Imaging Unit Contacts
1.4 Cleaning the LED Heads
1.5 Cleaning the Feed Rollers

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 Tray Configuration • System Adjust
Shut Down
Admin Setup Admin Setup
Calibration Exit Calibration • Auto Density Mode
Auto BG Adjust Mode • Adjust Density
Adjust Registration • Setup Calibration
Calibrate • Remove Calibration
Print Statistics Statistics Menu • Log Size • Reset Counter
Change Password
Service Modes and Adjustments
2.2 Accessing Service Mode
2.3 Service Diagnostics Controls
2.4 The Motor & Clutch Test
2.5 The Switch Scan Test
2.6 Service Adjustments
Removing the calibration for the Copier Screen
Calibrating the Printer / Copier Screen
Using Command WorkStation to Calibrate the Printer / Copier Screen
Calibrating the Auto Media Detection Sensor

Chapter 3
Troubleshooting Print Quality
3.1 An Overview of Print-Quality Problems
Print-Quality Problems Overview
Defects Associated with Specific Printer Components
3.2 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
3.3 Print-Quality Troubleshooting Practices
Light Prints in All Colors
Light Print in Only One Color
Blank Prints
Mottled or Splotchy Prints
Unexpected Colors
Repeating Bands, Lines, Marks, or Spots
Random Bands, Lines, Marks, or Missing Spots
Random Spots
Background
Ghosting or Hot Offset
Incomplete Fusing or Cold Offset
Mis-Registration, Color Layers Not Correctly Registered
Toner on Back of Print
Image Not Centered or Positioned Correctly
Process Direction Bands, Voids, or Streaks
Scan Direction Bands, Voids, or Streaks
Scan Direction Dark Streaks
Process Direction Lines or Streaks

Chapter 4
Troubleshooting Paper Jams
4.1 Paper Jam Error Code Table
4.2 Jam Troubleshooting
Code 370: Paper Jam Occurred in the Duplex (Rear)
Code 371: Paper Jam Occurred in the Duplex (Middle)
Code 372: Paper Jam Occurred in the Duplex (Front Cover)
Code 373: Paper Jam Occurred in the Duplex (Rear)
Code 380: Paper Jam Occurred in the Paper Path (Side Cover)
Code 381: Paper Jam Occurred in the Paper Path (Under Drums)
Code 382: Paper Jam Occurred in the Paper Path (Top Cover Fuser)
Code 383: Paper Jam Occurred in the Paper Path (Top Cover Fuser/Duplex)
Code 384: Paper Jam Occurred in the Paper Path (Top Cover Fuser/Exit)
Code 390: Paper Jam Occurred during Paper Feed (MPT)
Code 391: Paper Jam Occurred during Paper Feed (Side Cover or Tray1)
Code 392: Paper Jam Occurred during Paper Feed (Side Cover or Tray2)
Code 393: Paper Jam Occurred during Paper Feed (Side Cover or Tray3)
Code 394: Paper Jam Occurred during Paper Feed (Side Cover or Tray4)
Code 400: Incorrect Size Paper has been Used (Side Cover)
Code 401: Multiple Sheets of Paper were Fed (Side Cover)
User Clearable Errors 631 through 649

Chapter 5
Troubleshooting Self Diagnostic Codes
5.1 Self Diagnostic Error Codes
Self Diagnostic Error Codes (Printer)
Self Diagnostic Error Codes (Scanner/ADF)
Self Diagnostic Error Codes (Finisher)
Self Diagnostic Error Codes (Other Codes)
5.2 General Troubleshooting
No Control Panel Display
Control Panel LED is on, No Control Panel Display
Printer does not appear to Operate at Power On.
Printer Continually Displays “Warming Up” or “Initializing”
Troubleshooting AC Power Supply
Troubleshooting DC Power Supply
Troubleshooting RAM Memory Failures
Paper Size Errors
5.3 Troubleshooting Error Codes
Fuser Failure
Environmental Sensor Failure
Motor Overheating Failure
Engine Control Board Failure
LVPS Power Supply Failure
Fiery Controller Fan Failure
Power Supply Fan Failure
Fan Failure
Duplex Interface Failure
Tray 2, 3, 4 Communication Errors
Inverter Unit Interface Failure
Cyan, Magenta, Yellow, Black LED Failure
Fuser Fan Failure
Fuser 110V/220V Mismatch Error
Unsupported Duplex Unit Rom
Fuse Cut Error (Fuser)
Fuse Cut Error (Transfer Belt Unit)
Fuse Cut Error C, M, Y, K Imaging Drum Unit
Fiery Controller to Engine Board Communication Failure
Finisher Interface Error
Inverter Power Supply Failure
Control Panel Communication Failure
Error in the Transfer Belt
C, M, Y, K Imaging Drum Unit Failure
Engine Board Flash Memory Error
Unsupported ROM
Toner Sensor Detection Error
MT Home Position Detection Error
Toner Feed Switch Error/Toner Lock Error
Color Up/Down Error
Top Cover Open Error
Fuser Unit Detected as Missing
Image Drum Unit Life Error
Fuser Life Error
Belt Life Error
Toner Out Error

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. Be sure to record the number of sheets printed
between each service visit and attach the PS test page, Demo Page, and configuration sheets to
your service log for future reference.
Recommended Tools
•Toner vacuum cleaner
•Laptop computer with:
(Windows XP)
(Current Model Print Drivers)
(Current Command Workstation loaded)
(Kodak Calibration Pack)
•Clean, dry, lint-free cloth
•Black, light protective bag
Perform these routine maintenance procedures during the course of servicing the printer.
•Clean the feed rollers, exit rollers, and guides; replace as necessary.
•Remove and clean all paper trays.
•Clean the Color Registration and Automatic Density Control Sensors.
•Check cleanliness of interior and exterior, including fans; clean as necessary.
•Check the print engine and Fiery Controller firmware version located on the first page of the
configuration sheet. Update as necessary.
•Print a PS test page and Demo page, diagnose, and repair any problems as indicated.
•Perform the Printer / Scanner calibrations in Chapter 2.
•Review proper printer operation using a customer file, if possible. Check with the customer
regarding any special applications they may be running.
•Review with the customer all work that was performed; and discuss proper printer care and
the importance of properly using the shut down sequence to prevent Hard Drive
issues.

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.
1. Record number of sheets printed on a service log left with the printer.
2. Print several sheets of paper to check for problems or defects.
3. Turn off the printer.
4. Clean all fans to remove excess dust.
5. Ensure that all cover vents are clean and free of obstructions.
6. Remove any debris or foreign objects from the Transfer Unit, Fuser, and Imaging Units.
7. Vacuum loose toner from the printer interior using a Type II toner vacuum only.
8. Remove and clean the paper trays.
9. Clean / inspect all rubber rollers with a lint-free cloth slightly dampened with cold water.
Replace as necessary.
1.3 Cleaning the Imaging Unit Contacts
1. Open the Top Cover.
2. Remove the Imaging Units and place it on a stable surface.
3. Working quickly to reduce light exposure, clean the 4 contacts at the front of the Imaging Unit.
4. Clean the 3 contacts at the rear of the imaging unit.
5. Clean the contacts on the Housing Bias Assembly.

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.
1. Open the Top Cover.
2. Clean each LED Head with a clean, lint- free cloth.
1.5 Cleaning the Feed Rollers
Clean the accumulated dust from the Feed Rollers.
Caution
Use care not to scratch or otherwise abrade the roller surface while cleaning. Gently rub the
roller surface using a soft, lint-free cloth moistened with water.
1. Access the rollers by removing Tray 1 or opening the MPT tray.
2. Clean each roller with soft, lint-free cloth moistened with water.
Tray 1 Rollers
MPT Tray Rollers

Chapter 2
User Menu and Adjustments
2.1 Accessing the User Menu
Press the menu up arrow to access the User Menu.
User Mode Menus
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 Tray Configuration • System Adjust
Shut Down
Admin Setup Admin Setup
Calibration Exit Calibration • Auto Density Mode
Auto BG Adjust Mode • Adjust Density
Adjust Registration • Setup Calibration
Calibrate • Remove Calibration
Print Statistics Statistics Menu • Log Size • Reset Counter
Change Password
Functions
*Configuration
Print Pages
Suspend Printing
Resume Printing

Configuration
Print Page Count
Item
Description
Total Page*
Displays the total number of printed pages.
Must be enabled in printer service mode.
Color Page
Displays the number of color printed pages converted to letter equivalent.
Monochrome Page
Displays number of monochrome printed pages converted to letter equivalent.
Tray 1,2,3,4,MP
Displays the Total Pages from each Tray
Finisher Count
Item
Description
Staple
Displays total pages stapled
Punch
Displays total pages punched
Finisher
Displays total pages ejected into the finisher
Supplies Life
Item
Description
Drum C, M, Y, K
Displays the remaining life span of drum as a percentage. Select C, M, Y, or K
Belt
Displays the remaining life span of the belt unit as a percentage.
Fuser
Displays the remaining life span of the fuser unit as a percentage.
Toner C, M, Y, K
Displays the remaining life span of toner as a percentage. Select C, M, Y, or K

Network
The items and settings displayed are specific to your system. Full details are given in
the Configuration Guide. Information given is also available on the printed
configuration sheets.
Paper Size in Tray
Item
Description
Tray
Displays detected paper size of selected Tray
MP Tray
Displays detected paper size of the 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. Same as Asset Number of Menu Map.
CU Version
Displays version no. of CU (Fiery Controller) firmware.
Same as CU version of Menu Map.
PU Version
Displays version no. of PU (Engine Board) firmware.
Same as PU version of Menu Map.
Total Memory
Displays total RAM memory installed in the printer.
Same as Total Memory of Menu Map.
HDD
Displays size of hard disk and file system version.
Same as HDD of Menu Map.

Print Pages
Print Pages
Item
Description
PS Test Page
Prints the PostScript sample page.
Configuration
Prints printer configuration details.
Job Log
Prints EFI job log details.
Color Charts (disk only)
Prints color charts.
PS Font List
Prints PostScript font list.
PCL Font List
Prints PCL emulation font list.
Demo Page
Prints a demo page.
E-mail Log
Prints e-mail log.
FTP Log
Prints FTP 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.
ID Check Pattern*
Prints an Image Drum Check Pattern.
(must be enabled in service mode)
Engine Status*
Prints Engine Status details.
(must be enabled in service mode)
Suspend Printing Sets Printer to Off-line Status
Resume Printing Sets Printer to On-line Status

Print Secure Job
Print Secure Job
Item
Description
Enter Password
Enter a password to use secure printing.
Not Found
Use a secure printing job (Secure Job) or a job Stored to HDD when printing.
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
manually delete it.
Not Found: (no jobs) is indicated when there is no output file.
The following messages are displayed when there are printable files.
Print: When you select Print, Set Collating Amount is displayed to enable you
to specify a number of copies. After specifying the number of copies, press
Enter to print all jobs with the specified number of copies.
Delete: When you select Delete, you are prompted to recheck by Yes/No
display, and selecting Yes deletes all jobs.
Menus
Tray Configuration
Item
Description
Paper Feed Tray1,2,3,4
MP Tray
Specifies a feed tray.
Auto Tray Switch
Sets the automatic tray switch function. ON or OFF
Tray Sequence
Down, Up, Paper feed tray- Specifies selection order priority for automatic
tray selection/automatic tray switch.
Unit of Measure
Specifies units for custom paper size. Inch or mm
Tray Config,
Sets paper configuration in paper Trays. Paper Size- Cassette size or Custom
Media Type-Plain, Letterhead, Transparency, Bond, Recycled, Card Stock,
Rough, Glossy Media weight-Auto, Light, Heavy, Ultra heavy

System Adjust
Item
Description (Printer Defaults are indicated in Blue)
Power Save Time
Sets the period after which power save mode starts. 5 min, 15 min, 30 min, 60
min, 240 min
Clearable Warning
When Online is selected, you must manually clear the warning by pressing the
Online button. Change to Job if you wish the message to automatically clear
when a new print job is received. Online or Job
Auto Continue
Sets whether the printer is automatically recovered when Memory Overflow or
Tray Request occurs. ON or OFF
Manual Timeout
If paper is not fed within this time in manual feed, the job is cancelled. OFF, 30
sec, 60 sec.
Wait Timeout
Sets the time period between stopping receipt of job data and forced print. For
PS, printing is not carried out and the job is cancelled. Range is off, 5 sec. to
300 sec. default is 40 sec.
Low Toner
Sets the printing operation when insufficient toner is detected. Continue:the
printer can continue printing while remaining online. Stop: the printer stops
printing and goes offline.
Jam Recovery
ON: continues printing the job, including any jammed pages, once the jam has
been cleared. OFF: Cancels a job including the page currently jammed.
X Adjust - Adjusts the position of the whole printing image (0.25 mm at a time)
Range is -2.00 to +2.00 mm (horizontally). Default is 0.00mm.
Y Adjust - Adjusts the position of the whole printing image (0.25 mm at a time)
Range is -2.00 to +2.00 mm (Vertically). Default is 0.00mm.
Duplex X Adjust - During the flip-side printing of duplex printing, adjusts the
position of the whole printing image (0.25 mm at a time. Range is -2.00 to
+2.00 mm (horizontally). Default is 0.00mm.
Print Position Adjust
Duplex Y Adjust - During the flip-side printing of duplex printing, adjusts the
position of the whole printing image (0.25 mm at a time. Range is -2.00 to
+2.00 mm (Vertically). Default is 0.00mm.
Darkness Cyan,
Magenta, Yellow, Black
Adjusts the engine density for Cyan, Magenta, Yellow, Black. Darkest value is
+3, Lightest value is -4. Default is 0.
Cyan Reg. Adjust
Magenta Reg. Adjust
Yellow Reg. Adjust
Makes fine adjustment to image registration against Black in the horizontal
direction. Adjust. is for Cyan, Magenta, Yellow. Range is -3 to +3. Default is 0.
Paper Black Setting
Used for micro adjustment when very visible faded print results or light specks
(or streaks) result when printing in Plain Paper/Black setting. Range is -2 to
+2. Decrease the value if light specks (or streaks) or snow flake like printing
results in high density print areas. Default is 0.
Paper Color Setting
Used for micro adjustment when very visible faded print results or light specks
(or streaks) result when printing in Plain Paper/Color setting. The range is -2 to
+2.Decrease the value if light specks (or streaks) or snow flake like printing
results in high density print areas. Default is 0.
Transparency Black
Setting
As for Paper Black Setting above. The range is -2 to +2. Default is 0.

Transparency Color
Setting
As for Paper Color Setting above. The range is -2 to +2. Default is 0.
SMR Setting (New)
allows for minor corrections in print anomalies such as "smearing" due to
environmental conditions (temperature & humidity)
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.
Hex Dump
Prints out the data received from the host PC in hexadecimal code.
Shut Down Allows for: Restart of Server, Shut Down of the System, or Reboot of
System. Select appropriate item and execute.
Admin Setup Continue to setup: Yes / No Select yes (message: running setup)
Admin Setup
Item
Description
Exit Setup
Exits Setup Menu
Server Setup
See configuration sheet under Server Setup
Network Setup
See configuration sheet under Network Setup
Parallel Setup
See configuration sheet under Parallel Setup
USB Setup
See configuration sheet under USB Setup
Printer Setup
See configuration sheet under Printer Setup
PS Setup
See configuration sheet under PS Setup
PCL Setup
See configuration sheet under PCL Setup
Color Setup
See configuration sheet under Color Setup
Job Log Setup
See configuration sheet under Job Log Setup
Change Password
Change Admin. Password
Language
Clear Server
Clears all Server Information
Factory Defaults
Restores Printer to Factory Default
Warning: All Information such as IP addresses etc. will be lost. Be sure to print a
Configuration sheet prior to setting the printer to Factory Default.

Calibration
Exit Calibration
Item
Description
Exit Calibration
Select “enter” to exit the calibration screen
Auto Density Mode
Item
Description
Auto Density Mode
*On / Off – Turns On or Off the Auto Density Mode
Auto BG Adjust Mode
Item
Description
Auto BG Adjust Mode
*On / Off – Turns On or Off the Auto Background Adjustment Mode
Adjust Density
Item
Description
Adjust Density
*Yes / No – Select yes to execute density adjustment
Adjust Registration
Item
Description
Adjust Registration
*Yes / No– Select yes to execute registration adjustment
Set Up Calibration
Item
Description
Standard
*Auto Select / Bypass – Selects paper source for calibration
Expert
*Auto Select / Bypass – Selects paper source for calibration

Calibrate
Item
Description
*6X6 Dot Screen
Print Meas. Pg. *Yes / No See “Calibrating the Printer” in Chapter 2
12X6 Dot Screen
Print Meas. Pg. *Yes / No See “Calibrating the Printer” in Chapter 2
12X6 Line Screen
Print Meas. Pg. *Yes / No See “Calibrating the Printer” in Chapter 2
12X12 Dot Screen
Print Meas. Pg. *Yes / No See “Calibrating the Printer” in Chapter 2
Copier Screen
Print Meas. Pg. *Yes / No See “Calibrating the Printer” in Chapter 2
Remove Calibration
Item
Description
*6X6 Dot Screen
Affects all. Contin? *Yes / No ( removes previous Calibration)
12X6 Dot Screen
Affects all. Contin? *Yes / No ( removes previous Calibration)
12X6 Line Screen
Affects all. Contin? *Yes / No ( removes previous Calibration)
12X12 Dot Screen
Affects all. Contin? *Yes / No ( removes previous Calibration)
Copier Screen
Affects all. Contin? *Yes / No ( removes previous Calibration)
Print Statistics
Enter Password - Default password is 0000
Statistics Menu
Item
Description
Statistics Menu
Enter Password “0000”
*Enable / Disable – Turns On or Off the Print Statistics Menu (MFP)
To access select “Setup” from the scanner control panel. Select “Report” ,
Select “Print” from “MFP Statistics Report”
Log Size
Item
Description
Log Size
*30 – Range is 1 to 100

Reset Counter
Item
Description
Reset Counter
*No / Yes – Not used at this time
Change Password
Item
Description
Change Password
*New Password – Enter new 4 digit password

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.
Service Mode Menus
There are 4 menus under system maintenance described as follows:
1. OKIUSER - Used to set operating environment by country location. Should always be set to ODA
2. Maintenance Print Menu - This switches whether to Show/Hide the Print Information, ID Check
Pattern and Engine Status of the Function Menu. If this item is disabled, the Print Information, ID
Check Pattern and Engine Status of the Function Menu is never displayed. The printer is restarted
after the settings are modified and exiting from the menu.
3. Print Page Count - This sets whether to Show/Hide the display of the "Functions",
"Configuration", "Print Page Count", or "Total Page".
4. Diagnostic Mode – Used to perform diagnostic tests such as “Motor & Clutch” and “Switch Scan”
to assist in troubleshooting motor, clutch, sensor, and switch operation.
2.3 Service Diagnostics Controls
Use the Control Panel buttons to interact with Service Diagnostics’ tests and utilities.
Initialization
Please wait…
Other manuals for ES3640 MFP
2
This manual suits for next models
1
Table of contents
Other Oki All In One Printer manuals