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Oki Data CONFIDENTIAL

43163501TH Rev. 1

123 /

Service call
155: Error

Service call
160: Error

163: Error

Service call
167: Error

Service call
168: Error

Service call
169: Error

Service call
170: Error
171: Error

Service call
172: Error
173: Error

Service call
174: Error

Service call
175: Error

Service call
176: Error
177: Error

Defective fuse
cutting of fuser

Defective toner
sensor detection
It does not occur
during shipping
setting

Thermistor
Slope Error

Compensation
Thermistor Error

Upper Side
Thermistor Error

Thermistor Short
circuit / Open
circuit of the
fuser is detected

Thermistor
Temperature
abnormality
(high or low) of
the fuser is
detected

The short circuit
of the backup
roller
Thermistor is
detected. (For
the high
temperature)

The open circuit
of the backup
roller
Thermistor is
detected. (For
the low
temperature)

Temperature
abnormality
(high or low) of
the backup
Laura thermistor
was detected

Is the fuser installed correctly?
Does the error recur?

Is the toner cartridge installed?
Is the lock level of toner set?

Does the error recur?

Does the error recur?

Does the error recur?

Is the error message displayed?
Does the error recur?

Is the error message displayed?
Does the error recur?

Is the error message displayed?
Does the error recur?

Does the error recur?

Does the error recur?

Does the error recur?

Does the error recur?

Does it become an error again?

Reinstall the fuser after its
connection connector is cleaned
Turn on the power supply again
Replace BLA board after check
the cable connection.

Install a toner cartridge.
Turn the lock lever of toner
cartridge to the fixed position.
Remove the right side cover,
take measures to prevent the
right side of the device from
being exposed to ambient light,
and confirm that the toner
sensor is lighted during
initialization of the device.
Reconfirm it after replacing the
toner sensor Assy.
Replace the BLA board.

Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes.

Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes.
Note)

Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes.

Check the cable connection
between the ZAK board and
BLA board and turn on the
power again.
Replace the fuser unit.
Replace the BLA board.
See Note.

Check the cable connection
between the ZAK board and
BLA board and turn on the
power again.
Replace the fuser unit.
Replace the BLA board.

Check the cable connection
between the ZAK board and
BLA board and turn on the
power again.
Replace the fuser unit.
Replace the BLA board.

Check the cable connection
between the ZAK board and
BLA board and turn on the
power again.
Replace the fuser unit.
Replace the BLA board.
See Note.

Check the cable connection
between the ZAK board and
BLA board and turn on the
power again.
Replace the fuser unit.
Replace the BLA board.

No

Yes
Yes

No
No

Yes

Yes

Yes

Yes
Yes

Yes
Yes

Yes
Yes

Yes

Yes

Yes

Yes

Yes

Display

Cause

Details of error

Method

Table 7-1-2 service call error list (3/6)

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Summary of Contents for C3400n

Page 1: ...Oki Data CONFIDENTIAL C3400n MAINTENANCE MANUAL PRINTING SOLUTIONS ...

Page 2: ...Oki Data CONFIDENTIAL 43163501TH Rev 1 2 Rev No Date No Corrected items Page Description of change Person in charge History of Revision 1 2006 04 27 ISSUE MD11 Sunaga ...

Page 3: ...te and helpful as possible we make no warranty of any kind expressed or implied as to the accuracy of the information contained herein Oki Data assumes no responsibility to the damages caused or claimed to have been caused by the user as a result of repair adjustment and or change using this manual Parts of this product are delicate and can be damaged unless properly handled We strongly recommend ...

Page 4: ... 3 PRINTER INSTALLATION 31 3 2 Printer Unpacking Procedure 33 3 3 Printer Installation Instructions 34 3 4 Packed Units and Attachments 35 3 5 Assembly Procedure 36 3 5 1 Printer Main Body 36 3 5 2 Power Cable Connection 42 3 5 3 Installation of Optional Components 44 3 5 4 Confirm the Recognition of Option 48 3 6 Status Page Print 49 3 7 Network Information Print 50 3 8 Connection Procedures 51 3...

Page 5: ...ng of density correction 101 6 REGULAR MAINTENANCE 102 6 1 Recommended substitutes 102 6 2 Cleaning 102 6 3 Cleaning LED lens array 102 6 4 Cleaning the pick up roller 104 6 5 Cleaning the inside of the printer 105 7 TROUBLESHOOTING PROCEDURES 107 7 1 Precautions prior to repair 107 7 2 Items to be checked prior to taking action on abnormal images 107 7 3 Precautions when taking action on abnormal...

Page 6: ...mage Problem Troubleshooting 160 7 5 3 1 Color is totally pale Figure 7 2 A 161 7 5 3 2 Background is dirty Figure 7 2 B 162 7 5 3 3 Blank Print Figure 7 2 C 163 7 5 3 4 Vertical lines are printed 164 7 5 3 5 Cyclic Print Trouble Refer to Figure 7 2 E 165 7 5 3 6 Color drift is wide 166 7 5 3 7 Solid Black Print 167 7 5 4 Response after Flash compulsive initialization 168 7 5 5 Network Troubleshoo...

Page 7: ... M ID C ID LED FUSE LED FUSE LED FUSE LED FUSE 2 2 2 2 Toner Sensor PCB ID Fuse Cut terminal C Toner Sensor M Toner Sensor Y Toner Sensor K Toner Sensor RFID PCB 2 2 2 2 K Tag Y Tag M Tag C Tag K ANT Y ANT C ANT M ANT Operation Panel PCB LED1 LED2 LED3 SW1 SW2 K LED HEAD ELC24 ELC24 Y LED HEAD ELC24 ELC24 M LED HEAD ELC24 ELC24 C LED HEAD ELC24 ELC24 24 24 24 24 FAN AC HRS2 10 AC SW 2 2 2 3 Low Vo...

Page 8: ...Oki Data CONFIDENTIAL 43163501TH Rev 1 8 ...

Page 9: ... Printer The insides of C3400n printers are composed of the following parts Electronic photography process part Paper path Control part CU part PU part Operation panel Power supply parts high voltage part low voltage part Figure 1 2 shows the composition of the printer ...

Page 10: ...43163501TH Rev 1 10 1 3 Offer of Options This product can be installed with the following option 1 Additional memory board C3400n 64 256MB Installation of the additional memory board is recom mended for banner sheet printing ...

Page 11: ...t 1 month max In operation At stand by In storage At transport 16ppm 12ppm 12sec 15sec Unavailable 20ppm 16ppm 10sec 12sec 64 256MB DIMM True 600 1200dpi True 600 600dpi 372mm 478mm 290mm about 21kg A4 60sec Unavailable 600dpi 600 1200dpi 4 steps 600 600dpi toner saving by lowering light PowerPC405 16KB 16KB 200MHz 32bit 32MB total capacity 2MB 100 127VAC Range 99 140VAC 220 240VAC Range 198 264VA...

Page 12: ...ostcard end opening envelope banner up to 1200mm In case length is over 356 width would be up to 210 to 215 9 300 000 pages or 5 years 350 000 pages per month max 5 000 pages per month average 6 000 hours 35 000 pages 20 minutes ODA JPN about 1 000 pages black OEL AOS about 500pages black ODA JPN about 1 000 pages color OEL AOS about 500pages color about 2 500pages black about 2 000pages color abo...

Page 13: ...OEM user On off switch Standard Emulation switch Bit map Type face Scalable 1 Type face Scalable 2 Type face Scalable 3 Type face Luster riser Bar code OCR Japanese PCL font Japanese PS font RAM set Japan USB IF logo Windows logo Operation by UPS Full Speed USB N A Hi Speed USB 64 256MB 64 120gsm 64 203gsm 64 105gsm 3 Green 1 dark amber 2 2 Available N A Available Y M C K Available Available N A N...

Page 14: ...1 Basic Specification USB C3400n supports Hi Speed USB 2 Transmission Mode Full speed 12Mbps 0 25 max Hi speed 480Mbps 0 05 max 3 Power Control Self power device 1 5 1 2 USB Interface Connector and Cable 1 Connector Printer side B receptacle Upstream port Equivalent of UBR24 4K5C00 made by ACON Connector pin arrangement Cable side B plug off 2 Cable Cable length Specification Cable of USB2 0 spec ...

Page 15: ...OTP HTTP 1 5 2 2 Network Interface Connector and Cable 1 Connector 100 BASE TX 10 BASE T automatic switch no simultaneous use Connector pin arrangement 2 Cable Unshielded twist pair cable with RJ 45 connector Category 5 is recommended 1 5 2 3 Network Interface Signal Pin No Signals Signal Direction Functions 1 TXD FROM PRINTER Send Data 2 TXD FROM PRINTER Send Data 3 RXD TO PRINTER Received Data 4...

Page 16: ...d on the OPC drum surface 3 Development Electrified toner is adhered to the static latent image on the OPC drum by static electric ity and a visible image is formed on the OPC drum surface 4 Transcript A sheet of paper is put upon the OPC drum surface and the toner image is transferred on the paper by impressing electric charge on its back side by the transcript roller 5 Drum Cleaning Drum cleanin...

Page 17: ...ed on the OPC drum surface The electric charge on the radiated portion of the OPC drum surface abates by intensity of the light and a static latent image is formed on the OPC drum surface 4 Development Adherethetonertothestaticlatentimageonthedrumsurfaceandchangeittothetonerimage 1 The sponge roller let the toner adhere to the development roller 2 The static latent image on the OPC drum surface is...

Page 18: ...e OPC drum surface and is given electric charge from the back side by the transcript roller When a high voltage is impressed on the transcript roller the electric charge generated by the transcript roller moves over to the paper surface at the interfacing part of the transcript roller and the toner is absorbed to the paper surface from the OPC drum surface ...

Page 19: ... U Heavy Paper Thickness Thin Thick Temperature Setting Middle temp High temp Middle temp Low temp Setting of Fusing Temperature 6 Fusing The toner image transferred on the paper is impressed with heat and pressure and is fused to the paper when the paper passes through the heat roller and the back up roller Further a thermostat is equipped for the safety s sake and if the temperature of the heat ...

Page 20: ... belt 7 Drum Cleaning The toner not transferred and remaining on the OPC drum is scraped away by the drum cleaning blade and is collected in the waste toner area of the toner cartridge 8 Belt Cleaning The toner remaining on the transcript belt is scraped away by the belt cleaning blade and is collected in the waste toner box of the transcript belt unit ...

Page 21: ... L and transport roller When the paper is feeded by the manual feeder it is transported by the resist roller U Then the paper transported is developed into a toner image not yet fused on the paper through electronic photography process in the order of KYMC After that the image is fused by heat and pressure while passing through the fusing unit After fusing the paper is discharged on the face up or...

Page 22: ...per Feeding from the 1st Tray 1 AsshowninFigure2 1 whilethesolenoidisonandtheresistmotorturnscounterclockwise asheetofpaperistransporteduntiltheIN1sensorison Whenthesolenoidison thepaper feeding roller operates 2 When the paper turns the IN1 sensor on a certain more sheets of paper are transported and thrusted against the resist roller This process corrects the paper skew 3 As shown in Figure 2 2 ...

Page 23: ...ction of the arrow the transport belt starts to operate The belt unit is composed of drums of each color above and the transport rollers immediately below them with the transport belt in between When a certain voltage is impressed the transport belt and the transport rollers send the paper on the transport belt to the fuser while transferring the toner images on the drums of each color ...

Page 24: ...4 Up and Down Movements of ID Units 1 The up and down movements of the ID units are performed by the drive of the lift up motor 2 Figure 2 5 shows movements of each ID unit at the time of printing When the lift up motor turns clockwise the lift up link slides to the left and each ID unit is in the state of down as shown in Figure 2 6 That condition enables color printing 3 Figure 2 6 shows movemen...

Page 25: ...rclockwise the heat roller turns This roller fuses the toner image on the paper with heat and pressure 2 At the same time the output roller turns and sends out the paper 6 Cover Open Operation of Color Registration Sensor and Density Sensor 1 As shown in Figure 2 8 when the fuser motor turns clockwise the cover open gear also turns and the covers of the color registration sensor and the density se...

Page 26: ...ction is made by identifying the pattern using this sensor Timing of automatic activation of color registration At the time of switching the power on At the time of closing the cover after opening it over 5 seconds When over 400 sheets are printed after a color registration was made previously Correction errors can be caused by the amount of toner which generates the pattern toner stain on the sen...

Page 27: ...adequacy of opening and shutting of the sensor shutter by MOTOR CLUTCH TEST of the maintenance utility If a malfunction is found replace the shutter unit BELT REFLXERRR Confirmation 4 When the above is displayed confirm the cleaning state of the toner remaining on the belt surface besides the above confirmations 1 2 and 3 Remove the belt unit and confirm if the belt surface is cleaned neatly by tu...

Page 28: ...the previous work performance at the time when the power is to be switched on When at least one of the 4 ID count values is almost new at the time when the power is to be switched on When the ID count value is over 500 after the previous work performance Correction error can be caused by the amount of toner which generates the pattern toner stain on the sensor malfunction of shutter opening and cl...

Page 29: ...ensor to confirm if it is stained by the toner paper dust etc If stained wipe the surface neatly DENS SHUTTER ERR Confirmation 3 Confirm adequacy of the opening and shutting of the sensor shutter by MOTOR CLUTCH TEST of the maintenance utility If a malfunction is found replace the shutter unit DENS ID ERR Confirmation 4 Remove the ID unit to confirm if the surface of the drum is covered with abnor...

Page 30: ... resulting in a toner sensor error Toner Counter Principle After the image data is developed into 2 value data to enable printing using the printer the print dot number is counted by the LSI The amount of the toner used is counted from the above count value and the remaining amount is displayed On the other hand detection of the low toner by the toner sensor is physically made when the amount of t...

Page 31: ...er cable and earth wire as otherwise directed by the Manual A fire may break out Do not insert a thing in the vent hole Electric shock fire or injury may occur Do not place a cup with water on the printer Electric shock or fire may occur Do not touch the fuser unit when you open the printer cover Burn may occur Do not throw the toner cartridge or image drum cartridge into fire Burn may occur by th...

Page 32: ...ow Install the printer away from the monitor TV When the printer is to be moved hold both ends of the printer This printer weighs about 21kg and should be lifted by 2 or more persons When to switch the power on or while printing do not come near the paper exit of the printer Injury may occur As regards the items of caution explain to the customer showing the items of caution of the User s Manual P...

Page 33: ... Rev 1 33 3 2 Printer Unpacking Procedure Open the upper lid Take out accessories Remove the upper buffer material Take out the equipment This printer weighs about 21kg So lift it up with 2 or more persons Personal injuries may occur ...

Page 34: ...o 32 C Ambient Humidity 20 to 80 relative humidity Maximum Wet Bulb Temperature 25 C Be careful not to be bedewed When the printer is to be installed at a place where the humidity is less than 30 use a humidifier or a static electricity prevention mat Installation Space Place the printer on a flat desk with enough space for the legs of the printer Secure enough space around the printer Top View Si...

Page 35: ...on This printer weighs about 21kg and should be lifted by 2 or more persons Personal injuries may occur Printer main body C3400n Image Drum Cartridges with Starter Toner Cartridges 4 sets installed in the printer Explain to customers that the toner cartridge and the image drum cartridge are separable Printer Software CD ROM LED Lens Cleaner Power Cord Warranty and Registration Card Users Manual Se...

Page 36: ...es Protection tapes 2 Pull out the paper cassette 3 Press the open button and open the top cover Paper Cassette Open Button 4 Remove the stopper release orange color while pushing down the lever blue of the fuser unit in the direction of arrow 1 Note Explain to the customer that the stopper release must be kept as it would be used at the time of transporting the printer Stopper release orange Leve...

Page 37: ...pproximately 1 500 lux or more Do not leave it more than 5 minutes under the room light Do not move the blue lever of the cartridge at this stage Starter Toner Cartridge Image Drum Cartridge 2 Place the image drum cartridge on a flat desk remove the tape which fastens the protection sheet and pull it out in the direction of arrow Note Do not work on the image drum off the desk top 3 Pull out prote...

Page 38: ...y in the direction of arrow Note The starter toner the toner cartridge attached to the product at the time of purchase can print approximately 1 000 sheets of A4 paper in case of 5 coverage Approximately 500 sheets in case of OEL AOS specification Confirm whether the lever of the toner cartridge is turned fully in the direction of arrow when the LED lighting of no toner on the operation panel is o...

Page 39: ...late Cork Paper Guide 3 Shuffle the sheets of paper and arrange up down left and right properly 4 Make the printable side down and set the paper Note Place the paper in front of the paper cartridge Set the paper not to exceed mark of the paper guide 250 sheets weighing 70kg 5 Fix the paper by the paper stopper 6 Return the paper cassette to the printer Printing face down Paper Stopper Paper life d...

Page 40: ...e manual feed opening and pull forward Manual Feed Opening 2 Conform the manual feeding guide to the size of the paper 3 Arrange the left and right of the paper Manual Feeding Guide Manual feeding opening Manual Feeding Guide 4 Make the printing side up and insert the paper straight to the rear end along the manual feed guide ...

Page 41: ...printer and put in the quick guide 1 Turn around the quick guide case and remove the covers of the Double faced adhesive tapes 2 places Double faced adhesive tapes 2 Paste the case to the printer Note Paste the case so as not to block the vent hole on the back of the printer Quick Guide Quick Guide Bag ...

Page 42: ...hand Do not install the electric cord at the place liable to be stepped on and do not put things on the electric cord Do not bundle up or tie up the electric cord Do not use the damaged electric cord Do not put many loads on one electric outlet Do not connect this printer to the same outlet with other electric machines Particularly erroneous operation may occur by electric noise when the same outl...

Page 43: ...te Be certain the power switch is placed in the OFF O position 1 Insert the electric cord in the printer 2 Insert the plug in the outlet after connecting the earth cable with the earth cable terminal of the outlet Earth Terminal Earth Cable 2 1 Press ON I of Power Switch ...

Page 44: ...l not work For banner sheet printing use of additional memory of more than 64MB is recommended The slot for memory is one slot C3400n additional memory MEM64D 256D is interchangeable with the memory of the former C5200 MLMEM64B 256B Switch the power supply of the printer off and pull out the electric cord Note If installed with the switch on an electric shock or a trouble to the printer may occur ...

Page 45: ...reen tube portion is quite liable to injury take care fully at the time of handling Do not expose the image drum cartridge to the direct sunshine or bright light approximately more than 1 500 lux Do not leave it more than 5 minutes under the room light Remove the belt unit 1 Turn the lock levers blue 2 in the direction of and release the lock 2 Hold the lever blue of the belt unit and take out the...

Page 46: ...ot touch electronic parts and connector terminal 1 Neutralize static electricity by letting the bag touch the metal part before taking out the memory from the bag 2 Pay attention to the direction of the memory There is a cut on the terminal part of the memory to fit it into the connector of the slot 3 Insert the memory in the empty slot and bring it down to the circuit board side 2 1 Memory Cover ...

Page 47: ...Lock Lever blue Lock Lever blue Close the memory cover 1 Close the memory cover Confirm that it is firmly locked Install the belt unit 1 Hold the belt unit lever blue and install the belt unit 2 Turn the lock lever blue 2 in the direction of and confirm that the belt unit is firmly fixed ...

Page 48: ...inter cable to the printer and set the switch on 3 5 4 Confirm the Recognition of Option In order to confirm that the items of option are correctly installed conduct the menu map printing referring to 3 6 Status Page Print 1 Confirm Recognition of Additional Memory Confirm the contents of the status pages Confirm the total memory size displayed as TOTAL MEMORY SIZE in the header portion ...

Page 49: ...NTIAL 43163501TH Rev 1 49 3 6 Status Page Print Make sure that the printer operates normally For C3400n 1 Set sheets of A4 paper in the tray 2 Push the on line switch for 2 seconds and release Sample In case of C3400n ...

Page 50: ... 3 7 Network Information Print Confirm the network information print 1 Push the TEST switch beside the network connector on the back of the printer for 5 seconds and release Then the network information will be printed Sample In case of C3400n ...

Page 51: ...the printer and computer Memo Although the USB cable can be connected or removed with the switch of the computer and printer on switch off the power of the printer at this step in order to ensure installation of the printer driver and USB driver later Connect the printer with the computer 1 Plug the USB cable into the USB interface connector of the printer 2 Plug the USB cable into the USB interfa...

Page 52: ...nection Prepare the LAN cable Switch off the power of the printer and computer Connect the computer and printer 1 Plug the Ethernet cable into the network interface connector of the printer 2 Plug the Ethernet cable into the hub Network Interface Connector ...

Page 53: ... Heavy Regular paper 3 Postcard 4 Envelope 4 Label paper 1 The set up of the media type at the time of shipment from the factory is Light 2 Thickness and type of paper can be set up by the printer driver When they are set up by the printer driver the printer driver set up has priority When Automatic Selection is selected by Paper Feed Method of the printer driver or when Printer Set up is selected...

Page 54: ...ld replacement procedures for parts assemblies and component units While those replacement procedures refer to the disassembling of parts follow the same procedures inversely for reassembling them The part numbers 1 2 etc employed in this manual are different from those assigned in the corresponding configuration diagrams of Disassembly for Maintenance 43163501TL and RSPL 43163501TR 4 1 Precaution...

Page 55: ...ntenance utilities Table 4 1 2 Maintenance Tools No Q ty Place of use Remarks Service Tools 1 2 3 4 5 6 8 No 2 200 Philips screwdriver Magnetized No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers E ring pliers Handy cleaner LED Head cleaner P N 4PB4083 2248P001 1 1 1 1 1 1 3 5 mm screws Cleans LED head 1 7 1 No Q ty Place of use Remarks Service Tools 2 USB cable 1 1 Laptop comput...

Page 56: ...ethods for the parts and assemblies illustrated in the disassembly system diagram below 4 2 1 Left side cover 1 Open the top cover 2 Open the front cover 3 Remove a screw silver 1 four claws A and a claw B to detach the left side cover 2 Tool No 1 Figure 4 2 1 Left side cover 2 1 Top cover Front cover ClawA ClawB ...

Page 57: ...NTIAL 4 2 2 Right side cover 1 Open the top cover 2 Open the front cover 3 Take out a screw silver 1 four claws A and a claw B to detach the right side cover 2 Tool No 1 Figure 4 2 2 Right side cover ClawB 1 2 ClawA Top cover Front cover ...

Page 58: ...the left side cover See Subsection 4 2 1 2 Remove the right side cover See Subsection 4 2 2 3 Take out two screws silver 1 Tool No 1 4 As shown in the drawing put the flat blade screwdriver Tool No 3 into a hole A to remove two claws A 5 Remove tow claws B by hand and then remove the rear cover assembly 2 6 Lift the rear cover bottom 3 upward to detach it ...

Page 59: ...43163501TH Rev 1 59 Oki Data CONFIDENTIAL 4 2 4 Front cover 1 Remove the Shaft Cover 1 and the stay 2 and then remove the Shaft Cover 3 and the Front Cover 4 Figure 4 2 4 Front cover 1 4 3 2 ...

Page 60: ...move the plate heat See Subsection 4 2 18 6 Remove the plate shield front See Subsection 4 2 16 7 Take out a screw silver 1 8 Remove the BLA PCB main board See Subsection 4 2 23 and then remove the head cable FFC and the RFID cable 9 Remove two E type retaining rings 2 two sprint torsions 3 and the top cover assembly 4 Figure 4 2 5 Top cover assembly 1 4 ViewA ViewA 4 3 2 3 2 1 RFID K Y M C Head c...

Page 61: ...43163501TH Rev 1 61 Oki Data CONFIDENTIAL 4 2 6 Top cover 1 Remove the top cover assembly See Subsection 4 2 5 2 Take out nine screws black 1 to remove the top cover 2 Figure 4 2 6 Top cover 2 1 9 ...

Page 62: ... 2 After removing the head cable FFC apply force in the direction of the arrow X as shown in Figure 2 Remove a hook A first and then a hook B to remove the LED assembly 1 3 Remove the LED assembly SU spring 2 Figure 4 2 7 LED assembly LED assembly spring X 1 2 Top cover Hook A Hook B Figure 2 Figure 1 ...

Page 63: ... Subsection 4 2 6 2 Remove the top cover See Subsection 4 2 7 3 Remove two screws silver 1 and all connectors to detach the LUM board RFID reader writer 2 4 Detach six claws A and two claws B engaging with the plate inner 3 to remove RFID assembly 4 Figure 4 2 8 RFID assembly 2 1 3 4 Claw A Claw B ...

Page 64: ...ve the right side cover See Subsection 4 2 2 4 Remove the plate shield front and cable See Subsection 4 2 16 5 Detach FFC which connects the control panel assembly with the control panel PCB 6 Take out four screws silver 1 to remove the control panel assembly 2 Tool No 1 Figure 4 2 9 Control pane assembly 1 2 OP cable 1 ...

Page 65: ...ake out a claw A to remove the frame OP 1 3 Remove a claw B and the button lock 2 to detach the lever lock 3 4 Remove a spring 4 5 Remove four claws C and the cover assembly OP 5 to remove the WHI board operation panel 6 6 Remove a spring 7 Figure 4 2 10 WHI board 3 5 6 2 1 7 4 Claw A Claw A Claw B Claw B Claw C Claw C ...

Page 66: ...t side cover See subsection 4 2 2 6 Detach the plate shield front See Subsection 4 2 16 7 Remove a connector 3 connecting to the feeder unit 2 from the BLA board main board 8 Take out four screws silver 4 to remove the feeder unit 2 9 Remove claws to remove the cover sensor 5 10 Remove the MIP board front sensor board 6 Figure 4 2 11 Feeder unit 1 2 3 3 4 5 6 4 HOP BLA PCB Main circuit board PCB B...

Page 67: ...ta CONFIDENTIAL 4 2 12 Manual feeder unit 1 Open the top cover 2 Open the manual feeder 1 3 Hold both ends of the manual feeder 1 and pull it in the direction of the arrow to remove it Figure 4 2 12 Manual feeder unit 1 about 45 ...

Page 68: ...left side cover See Subsection 4 2 1 2 Remove the right side cover See Subsection 4 2 2 3 Remove the rear cover See Subsection 4 2 3 4 Remove the supporting points of the face up tray 1 with a flat blade screwdriver Tool No 3 Figure 4 2 13 Face up tray 1 Support point 2 places ...

Page 69: ...ide cover See Subsection 4 2 2 3 Remove the rear cover See Subsection 4 2 3 4 Remove the top cover assembly See Subsection 4 2 5 5 Remove the color registration assembly See Subsection 4 2 17 6 Detach two latches at the lower part of the guide eject assembly 1 to remove the guide eject assembly 1 Figure 4 2 14 Guide eject assembly 1 Latche ...

Page 70: ...to divide them into the guide eject lower 2 and the guide eject upper 3 3 Detach a claw B three gear idle ejects 4 Remove the shaft assembly eject FD 5 and the shaft assembly eject FU 6 4 Remove the eject sensor 7 and the lever eject sensor 8 from the guide eject lower 2 Figure 4 2 15 Eject roller 1 5 6 8 7 3 4 2 View A View A claws B Claws A ...

Page 71: ...43163501TH Rev 1 71 Oki Data CONFIDENTIAL 4 2 16 Plate shield front 1 Remove two screws silver and remove the plate shield front 2 Figure 4 2 16 Plate shield front 1 2 claws ...

Page 72: ...3to detach two connectors and one FFC Then remove the color registration assembly 4 3 Detach two supporting points to remove the frame shutter 5 4 Take out two screws silver 6 to remove the color registration sensor board 7 5 Take out a screw silver 8 to remove the density sensor board 9 Figure 4 2 17 Color registration assembly 7 6 9 8 4 2 3 1 1 3 5 Fulcrums ...

Page 73: ... Remove the color registration assembly See Subsection 4 2 17 6 Remove the plate shield front See Subsection 4 2 16 7 Remove the low voltage power supply See Subsection 4 2 22 8 Remove the BLA board main board See Subsection 4 2 23 9 Takeout two screws silver 1 to remove the plate heat 2 10 Remove latches of the gear lift up 3 to detach a shaft 4 11 Take out three screws silver 5 to remove the pla...

Page 74: ...gear 0 5 Remove ID lift up gears 7 and 8 6 Remove the cove plate 9 by sliding back the latch A 7 Remover the latch B to remove the Board PRE A and the spring contact B 7 2 8 4 3 5 6 1 7 0 9 A B 8 LatchB LatchA Toner sensor cable Front 3 4 5 6 Figure 4 2 19 PRE board Gear idle dram Precautions for assembly Make sure that the triangle directions at the sides of the gears match the arrow directionsof...

Page 75: ...1 Remove the plate shield rear See Subsection 4 2 18 12 Take out two screws silver 1 to remove the part A and the side plate R assembly 2 13 Take out a screw silver 3 to remove the plate lockout ID 4 14 Take out five screws silver 5 to remove the part B and the bracket inner 6 15 Take out two screws silver 7 to remove the Fuser motor 8 16 Take out two screws silver 9 to remove the DC motor 0 17 Ta...

Page 76: ...43163501TH Rev 1 76 Oki Data CONFIDENTIAL Figure 4 2 20 Main motor Solenoid J P 3 4 5 A 1 5 1 9 6 2 B 5 0 F L N O M G D C I H E K 9 7 8 A A B clawC clawE clawD ...

Page 77: ... cover open switch1 3 Take out a screw silver 2 and a screw black 3 and then remove seven claws B to detach the high voltage board 3 4 Take out a screw silver 4 to remove belt motor 6 Figure 4 2 21 Belt motor High voltage board Cover open switch 1 6 5 3 2 4 1 CN4 TR K TR M TR Y TR C High voltage power supply Cover open switch Claws A Claw A Claw A Claws B Cover opening switch cable route chart ...

Page 78: ...er supply 2 to the position at which the AC switch connector and the fuser interface connector can be removed 7 Remove the AC switch connector and the fuser interface connector and detach the low voltage power supply 2 8 Pull out a connector of the FAN in the direction of the arrow to extract the FAN 3 Figure 4 2 22 Low voltage power supply Low voltage fan 1 2 1 3 3 CN5 2 CN5 1 CN101 CN102 CN2 PRN...

Page 79: ...t See Subsection 4 2 16 4 Remove all connectors connecting to the BLA board main board 5 Remove the rear cover See Subsection 4 2 3 6 Remove the low voltage power supply See Subsection 4 2 22 7 Take out five screws silver 1 and two screws silver to remove the BLA board main board 3 Figure 4 2 23 BLA Board View A View A 2 1 5 3 3 2 HEAT IDUP HOP HSDL FSNS DCID SSNS OP732 OP724 BELT HVDLT RSNS CN1 P...

Page 80: ...ed Thereisnoneedtolubricateinthemidstofadisassemblingjob However iflubricatingoilhasbeen wiped off supply the specified oil Lubricating work 1 Symbols and names of oils EM 30L MOLYKOTE EM 30L HP 300 MOLYKOTE HP 300 PM Pan Motor Oil 10W 40 or ZOA 10W 30 2 Boundary samples of grease Class Amount of grease cc W mm Sample S A B C D E F 0 0005 0 003 0 005 0 01 0 03 0 05 0 1 1 24 2 25 2 67 3 37 4 86 5 7...

Page 81: ... Class C Both side EM 30L Class A Gear Planet HP Stopper HP Gear Z24 50 HP The side of groove EM 30L Class C Gear tooth surface and end surface EM 30L Class C Shaft Hopping Gear bottom surface EM 30L Class C Ratch portion Hatching portion EM 30L Class C Guide Cassette L Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Guide Cassette R Apply MOLYKOTE EM 30L to the hatched areas EM 30L Clas...

Page 82: ...0L should be applied to the hatched areas portions shown in the figure below before assembly At both sides Fulcrum of rotation and side The application of grease protruding over on the paper carriage surface is not permitted Class C Holder Gear A Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C ...

Page 83: ...nside of a gear EM 30L Class C Grease is not applied to a metal shaft Gear Idle Drum Z24 117 Gear Idle Drum Z55 Apply MOLYKOTE EM 30L to the gear tooth surface EM 30L Class F Apply MOLYKOTE EM 30L to the gear tooth surface EM 30L Class F Apply MOLYKOTE EM 30L to the end face EM 30L Class C Apply MOLYKOTE EM 30L to the end face EM 30L Class C Gear Idle Drum Z55 Gear Idle Drum Z24 117 ...

Page 84: ...LYKOTE EM 30L to the hatched areas EM 30L Class A Link Liftup L Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class A Apply MOLYKOTE EM 30L to the gear tooth surface EM 30L Class A Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class A Class S OR Eoard PRE After palish the terminals to luster with BEMCOT M 3 Tetfa C 9300 is soaked cotton swab a little Class S and it coated on terminals 32 p...

Page 85: ...1 85 6 43209701 Holder Assy Regist L 7 43210301 Holder Assy Regist R Holder Regist L Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Holder Regist R Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C ...

Page 86: ...t U Apply MOLYKOTE HP 300 to the hatched areas HP 300 Class C Cam Release Lever Release Not allowed to stain the area with grease Apply MOLYKOTE EM 30L to the sliding portions hatching portions EM 30L Class S The application of grease protruding over on the paper carriage surface is not permitted ...

Page 87: ...M 30L to the gear tooth surface EM 30L Class C Gear Idle Exit Z19 Gear Idle Exit Z19 Gear Idle Exit Z21 Bearing Eject FD FU 2 points Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Apply MOLYKOTE EM 30L to the hatched areas In gear bearing part EM 30L Class C ...

Page 88: ...to the terminal tip areas EM 30L Class C Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Apply MOLYKOTE EM 30L to the end face EM 30L Class C Apply areas to grease 4 Plate Shield Rear Caulking Gear Idle Belt ...

Page 89: ... Unit PX732 Spring Torsion L Spring Torsion R Apply PM with a brush to the portion of the slot of solid coiling of this torsion spring 2 places Both Sides PM Class C Apply MOLYKOTE EM 30L to the hatched areas EM 30L Class C Plate Assy Side R ...

Page 90: ...216001 Belt Unit PX732 Apply MOLYKOTE EM 30L to the hatched area EM 30L Class C Guide R Guide L Apply MOLYKOTE EM 30L to the hatched area EM 30L Class C Bracket CL Assy Not applying grease to a part of a metal plate Bracket CL L ...

Page 91: ... 30L to an end face of Gear Drive Z36 EM 30L Class C Bearing TR Belt Roller Transfer Frame Assy Belt Bearing GSB Gear Drive Z36 Apply MOLYKOTE EM 30L to all inside of Bearing TR Belt EM 30L Class A Apply MOLYKOTE EM 30L to all inside of Bearing TR Belt EM 30L Class A ...

Page 92: ...3501TH Rev 1 92 OR Eoard BLA Class S After palish the terminals to luster with BEMCOT M 3 Tetfa C 9300 is soaked cotton swab a little Class S and it coated on terminals 32 places B 43416001 Borad Assy PUCU ...

Page 93: ...Oki Data CONFIDENTIAL 43163501TH Rev 1 93 5 MAINTENANCE MENU By using the maintenance utility you can adjust this machine 5 1 Maintenance Utility Not Available ...

Page 94: ...Oki Data CONFIDENTIAL ...

Page 95: ...Oki Data CONFIDENTIAL ...

Page 96: ...it 5 3 Switch pressing function when power supply is turned on When power supply of printer is turned on the functions of usable switches are as follows And the switches below are effective when pressed before LED is lighted in the special start confirming pattern 1 Cover Open and CANCEL switch Despite of warning error always start by online mode factory support function If the function is availab...

Page 97: ...function copy the information about the CU EEPROM and the PU EEPROM information stored in the HDD of PC by 1 to the EEPROM of a new circuit board to be installed Note When using the maintenance utility to get the EEPROM information or writing the information please set the printer to forcible ONLINE mode following the procedures in 5 3 1 then EEPROM can be accessed 2 When it is impossible to acces...

Page 98: ...the Status Page Figure of Serial No label image labeled in UK Factory 1 2 Set the CU serial number SAP serial number can be applied to the device The SAP serial number is displayed in the highest rung of the serial number label It is a 12 digit number including production place 2 digits production year 2 digits sequence number 6 digits and revision number 2 digits CU serial number is given an orig...

Page 99: ...4 1 1 2 1 PU serial number setting of Section 2 4 1 1 2 PU circuit board setting function If you want to specify the PU serial number please add a 0 a normal width zero then input the 11 digit number Please notice that when read out the number will be 10 digits As shown in the following image on the menu of PU serial number setting eliminate the 2 digit revision number then add a normal width zero...

Page 100: ...t board This setting in maintenance circuit board is left as default at shipment when put in use this setting will be executed If the program version is changed it will return to the initial value Item Description Count Description Fuser unit Fuser unit life count A value converted on a A4 size paper basis from number of pages printed prints after installation of a new fuser unit Belt unit Belt un...

Page 101: ...orrection At shipment the density correction mode of printer is set to Auto if the user set it to Manual mode the density in use will be changed thus the density might appear strange Note This should be done only when the printer is at idle state Don t make this setting when warming up ...

Page 102: ...your LED lens array Note LED lens array should only be cleaned by using LED head cleaner LED head cleaner is provided with toner cartridge 6 REGULAR MAINTENANCE 6 1 Recommended substitutes It is recommended by our company that only heavy users should change the following parts If not changed the printing quality cannot be guaranteed and failures may arise Part Name Friction Pad Assy Roller Assy Ho...

Page 103: ...user unit is extremely hot Do not touch it Personal injuries may occur OPEN button 2 Press OPEN button and open the top cover LED head 3 Please use lens cleaner or soft tissue paper to wipe the lens surfaces 4 places of LED head gently Note Don t use solvent such as methyl alcohol or thinner since they may cause damage to the LED head Memo LED lens cleaner is provided with toner cartridge 4 Close ...

Page 104: ...AND PAD If 391 paper jam happens frequently please clean your paper feeding roller and pad 1 Draw out the paper cassette 2 Get the cloths wet and wring it out Then use the cloths or the LED lens cleaner to wipe paper feeding roller large and paper feeding roller small Memo LED lens cleaner is provided with toner cartridge Feed roller large Feed roller small 3 Get the cloths wet and wring it out Th...

Page 105: ...s OPEN button and open the top cover The fuser unit is extremely hot Do not touch it Personal injuries may occur 3 Take out the image drum cartridge 1 Take out the 4 image drum cartridges and put them on a flat surface 2 Cover the 4 image drum cartridges with black paper Note The image drum the green cylinder is very easy to be damaged please be careful when handling it Don t put the image drum ca...

Page 106: ...eu Fuser unit lock lever bleu Shaft 4 Take out the fuser unit 1 Pull the 2 blue lock levers of the fuser unit in the direction of arrows 2 Hold the handle of the fuser unit and take it out 5 Use LED lens cleaner soft cloths or tissue paper to wipe the metal shaft 6 Set the fuser unit For more detailed information please refer to the Users Manual Setup part Change the fuser unit 7 Gently put the 4 ...

Page 107: ... bring your hand or any object in contact with the surface of the OPC drum 2 Do not expose the OPC drum to direct sun 3 Do not touch the fuser unit which can be very hot 4 Do not expose the image drums to light for over five minutes at the room temperature 7 4 Preparations for troubleshooting 1 Display of status monitor The breakdown situation of this machine is display in LED of the operator pane...

Page 108: ...hanges of destination channel Compulsive initialization of EEPROM System maintenance menu OEM set of PJL command RAM checking The rate of checked capacity to the total capacity is displayed on the 2nd line The network is in initializing Displays that the content of Flash memory is being checked It is displayed it when Resident Option Flash memory not fomented are detected or MAINTENANCE MENU FLASH...

Page 109: ...status does not occur in a user environment Shows on line status Shows off line status Ready LED in off line is always assumed to be Off The status showing FILE SYSTEM HDD FLASH is being accessed Data receiving process not started yet Displayed mainly during PJL process without text print data or during job spooling Data receiving or output processing Un printed data remains in Buffer Waiting for ...

Page 110: ...s code 10988 corresponds to density reading Leisus STSDEN 1 thereto 10994 corresponds to density adjusting Leisus STSDEN 0 Downloading PU firmware This is not a user level error This function is transparent to users Therefore This state does not occur in user environments Text displayed on the printer in the state is difficult to view the printer s display control being transferred to the printer ...

Page 111: ...egion ID of toner cartridge is not proper to the distribution channel COLOR Y M C K The chip of RFID is not compatible COLOR Y M C K The life of the drum warning Displayed in a combination of other message in the first line The printer stops at the point when it reaches the drum life Shifts to error OFF LINE Moreover when set asADMIN MENU CONFIG MENU NEARLIFE LED DISABLE Attention LED is switched ...

Page 112: ...um life error occurred Also this occurred instead of the drum life error if the DRUM LIFE PRINT CONTINUE setting was ON COLOR Y M C K Belt Reflex Check Error PU firmware does not notify this warning to CU firmware at the time of Shipping Mode Therefore this status does not occur in a user environment Density Adjustment Shutter Error 2 Error that does not occur at user level Displayed only in Facto...

Page 113: ...de Therefore this status does not occur in a user environment COLOR Y M C K DensityAdjustment ID ERROR LED out of focus is assumed PU firmware does not notify this warning to CU firmware at the time of Shipping Mode Therefore this status does not occur in a user environment COLOR Y M C K When output of color registration sensor is below reference value PU firmware does not notify this warning to C...

Page 114: ... done Because this is a temporary warning it remains until the end of the job and disappears Memory overflow was occurred in the collate copy Stays displayed until the ONLINE key is pressed Notifies users that jobs have been cancelled because they are not permitted for printing Related to JobAccount Stays displayed until the ON LINE key is pressed Notifies users that jobs have been cancelled becau...

Page 115: ...ge is assigned as 1 of the table in PX723 PS BackChannel Message list for EFI specification Paper feeding is reccomended because the print of back sides odd number pages is finished during the Manual Duplex print TRAY Tray1 MANUAL The media type in the tray and the print data do not match Load mmmmmmm pppppp paper in tttttt tray It takes a while until the status disappears after you have closed th...

Page 116: ...for K Warning status takes effect at Cover Open Close and printing of about 50 copies becomes available Toner ends Error 410 Y Error 411 M Error 412 C Error 413 K Warning status takes effect at Cover Open Close The signature ID of toner cartridge is not proper to the distribution channel but the group of signature ID is proper OKI regional mismatch As probable missing to measure the amount of tone...

Page 117: ...g with the toner sensor This status is indicated in Shipping Mode only If the same error is detected in FACTORY Mode it is indicated as service call of 163 Error 540 Y Error 541 M Error 542 C Error 543 K Inappropriate size paper was fed from a tray Check the paper in the tray or check for Multiple feed Open and close the cover to perform recovery printing and continue In this state Leisus I F OPJA...

Page 118: ... K The image drum is not correctly installed Error 340 Y Error 341 M Error 342 C Error 343 K The fuser unit is not correctly installed The belt unit is not correctly installed The cover is open Error 310 Top Cover Error 311 Front Cover A network error is occurring Rebooting of the controller unit CODE is a decimal value one digit and represents the reason to reboot 0 Reboot due to a reason other t...

Page 119: ...Error is not available in national language A fatal error occurred For more information see Service Calls List Fatal Error is not available in national language A fatal error occurred specifies the detailed error cause Fatal Error is not available in national language A fatal error occurred For more information see Service Calls List nnnnnnnn specifies the detailed error cause Fatal Error is not a...

Page 120: ...switch is pressed for five times and it returns to the state of the LED high speed blinking Moreover even if the switch is not pressed for more than 20 seconds Error code display mode would be ended All LED is turned off immediately after pressing ONLINE switch 200mS and under the continuous condition same patterns may also recognize the switch pressing When the error occurs one example of the LED...

Page 121: ...ror message displayed again It failed to the access to CU Flash ROM that is attached to the BLA board directly Does the error recur Does the error recur Does the error recur If the RAM DIMM is mounted remove it and turn the power supply off ON Replace BLA board Remount RAM DIMM Replace RAMDIMM Power supply OFF ON Replace BLA board Remount RAM DIMM Replace RAMDIMM Replace BLA board Power supply OFF...

Page 122: ...the connector connection of the fan normal Does the error recur Is the LED head installed correctly Does LED HEAD FUSE cut Does the error recur Does it has anything trouble with the detaching attaching of ID unit Does the error recur Is the ID unit installed correctly Does the error reoacur Does it restore by exchanging PRE board Is the belt unit installed correctly Does the error recur Power supp...

Page 123: ...nector is cleaned Turn on the power supply again Replace BLA board after check the cable connection Install a toner cartridge Turn the lock lever of toner cartridge to the fixed position Remove the right side cover take measures to prevent the right side of the device from being exposed to ambient light and confirm that the toner sensor is lighted during initialization of the device Reconfirm it a...

Page 124: ...iver circuit error of the RFID reader 03 communication error between the RFID reader and the Tag chip 04 the RFID Tag detection error more than 4chips 240 Flash Memory Hardware Error Does the error recur Does the error recur Turn on the power supply again Install an additional RAM DIMM After the power supply is turned on again try to download again Because this processing is not performed during u...

Page 125: ... downloaded PU fireware custom media data head correction data CRC check error is detected Does the error recur Does the error recur Check the cable connection between the ZAK board and BLA board and turn on the power again Replace the fuser unit Replace the BLA board Check if the ID unit is set correctly Replace the ID unit Replace the ID motor Turn off the power supply Replace the fuser Turn off...

Page 126: ...inter after making it warm when the temperature of printer is low PU fireware rash PU fireware rash PU fireware rash I F error between PU and CU Does the error recur Does the error recur Does the error recur Is the BLA board correctly mounted Yes Yes Yes No Yes Turn on the power supply again Replace the BLA board Turn on the power supply again Replace the BLA board Turn on the power supply again R...

Page 127: ...position 147 6 Paper Exit Jam Error 382 148 6 1 Paper eject jam occurred immediately after turning on the printer 148 6 2 Paper eject jam occurred immediately after paper pickup 149 6 3 Paper eject jam occurred during paper feeding 150 7 Paper Size Error Error 400 151 7 1 Jam occurred when the rear end of paper is close to IN1 sensor 151 8 ID Unit Up Down Error Service Call 140 143 152 8 1 Error o...

Page 128: ... 1 when exchange main board 14 Fuse Cut Error Error 150 155 157 14 1 Fuse cut errors 157 15 Dew Condensation Errors Error 123 158 15 1 Dew Condensation 158 16 RFID Related Error Error 610 613 159 16 1 A toner cartridge not installed 159 16 2 Detection of an OKIDATA toner cartridge of different type 159 16 3 Detection of a non OKIDATA toner cartridge 159 16 4 RFID communication error 159 ...

Page 129: ...rmally connected with the CN1 connector of operation panel board WHI PCB Check whether incompletely connection and oblique insertion of connector exist Disconnection check by the tester Confirm the coating peeling off by visual inspection Confirm the supplied voltage of the AC power supply Measurement of supplied AC voltage Confirm the power supply setting of the equipment used Confirm the short p...

Page 130: ...k of power supply Confirmation Tasks Confirm the supplied voltage of the AC power supply Measurement of the supplied AC voltage Confirm the power supply setting of the equipment used Confirm the short plug of low voltage supply setting switch Short plug Have None 100V 230 Confirm the power supply by the POW connector of the main board BLA PCB 3 4pin 24V 5 6pin 5V 7 8 9pin 0VL 1 2 pin 0VP Action at...

Page 131: ...hether load exists When it is in abnormal state check whether crackling sound sounds By visual inspection confirm whether the gear of each consumable is set in position Check whether layout of cord around cooling fan is poor and the cable may touch the fan blade When it is in abnormal state check whether rattly sounds Action at NG Exchange main board BLAPCB Exchange the motor cord and reassemble n...

Page 132: ... have abnormal smell around a new printer Remove the foreign body 2 3 1 Locate the position with abnormal odor occurred 2 3 2 Check the condition of fuser Confirmation Items 2 4 Slow starting time Halogen lamp Expansion memory Confirmation Tasks Confirm the wattage of the halogen lamp mounted in the fuser Reset the optional parts expansion memory and recheck the operation Action at NG Exchange for...

Page 133: ...rror Jam release method Jam release method 1 Jam release method 2 Jam release method 2 Jam release method 1 4 Jam release method 1 Reference J5 J6 J7 J10 J12 Corresponding sensor IN2 WR IN1 IN2 WR EXIT EXIT IN1 IN1 3 Error number and jam location at paper jam Diagram of jam location J7 382 EXIT IN2 sensor WR sensor EXIT sensor J10 391 TRAY1 J6 381 TRANSPORT J5 380 FEED J12 400 PAPER SIZE ERROR ...

Page 134: ... the paper can be automatically ejected At this time open and close the front cover then the error can be released If the rear end can be seen If the front end can be seen Paper eject part code 382 paper eject jam Draw the paper out slowly from the exit Note Even if paper jammed at the paper exit when the paper can be seen inside the top cover the paper should be removed inside the printer The fus...

Page 135: ...ear paper but wait until the fuser unit becomes cool Possible to get burned 1 Raise the fuser lock lever two blue places in the direction of the arrow 2 Hold the handle and take the fuser out put it on a flat table 3 Draw the jammed paper out slowly in the direction of the arrow while pressing the lever of the fuser blue in the direction of the arrow Fuser lock lever blue Handle Fuser lock lever b...

Page 136: ... After removing the paper jammed in the fuser please print the menu map section 3 6 and the white paper etc for several times because the unfixed toner may remain in the fuser Remove other jammed paper according to the following procedures when the paper jam error still cannot be released even if jammed paper has been removed 1 Touch the screw by hand to remove the static Handle Screw ...

Page 137: ...um surface green cylinder unit is very delicate Please handle with care Never expose the image drum cartridge to direct sunlight or very bright light more than 1500 lux Do not expose it to normal room light for more than 5 minutes 4 Carefully remove the jammed paper When the front end of the paper can be seen Carefully remove the jammed paper inside the printer Image drum cartridge Black paper Top...

Page 138: ... seen Carefully remove the jammed paper in the direction of the arrow When the back end of paper can be seen Press the release lever in the direction of the arrow and carefully remove the jammed paper 5 Put the image drum cartridge back into position Paper Fuser Release lever Release lever ...

Page 139: ...ront sensor board MIP PCB or the connecting cable with new one Replace the front sensor board MIP PCB with a new one Replace the connecting cable with a new one 3 1 1 Check paper feeding route condition 3 1 3 Check the electrical parts condition 3 1 2 Check the mechanical parts condition Confirmation Items 3 2 Paper jam occurred immediately after paper feeding 1st tray Paper feeding route inside t...

Page 140: ...noid operates normally Remove the sheet metal of the right side in order to check whether the solenoid can be seen Check whether the parts that may disturb the operation of moving parts of the solenoid exist cable etc Check the cable connection By visual inspection please check whether incompletely connection and oblique insertion of connector or defective cable assembly exists Check whether wire ...

Page 141: ...witch scanning test function of the maintenance utility check whether the sensor signal has been normally detected Check the following signals of FSNS connector of PU board BLA PCB 2pin WR sensor 3pin entry sensor 2 Operate and adjust the sensor lever in order to check the above signal level Check the power supply of 5V of CN connector of front sensor board MIP PCB 1pin 5V power supply 5pin 0VL Ac...

Page 142: ...G Check the cable connection By visual inspection check whether incompletely connection and oblique insertion of HOP connector of main board BLA PCB or defective cable assembly exists Check whether wire gnawing occurred during assembly of equipment Pull the HOP connector of main board BLA PCB out check the followings on the cable side Short circuit between 1pin FG Short circuit between 2pin FG Sho...

Page 143: ...tion of the maintenance utility check whether the sensor signal has been normally detected Check the following signals of FSNS connector of main board BLA PCB 4pin WR sensor Operate and adjust the sensor lever in order to check the signal level Check the power supply of 5V of CN connector of front sensor board MIP PCB 1pin 5V power supply 5pin 0VL Action at NG Remove the jammed paper Replace the s...

Page 144: ...owing data on the cable side SEVERAL M Between 1pin FG SEVERAL M Between 2pin FG SEVERAL M Between 3pin FG SEVERAL M Between 4pin FG Pull the BELT connector of main board BLA PCB out check the following data on the cable side SEVERAL M Between 1pin FG SEVERAL M Between 2pin FG SEVERAL M Between 3pin FG SEVERAL M Between 4pin FG Action at NG Remove the jammed paper Replace the sensor lever with a n...

Page 145: ... followings on the cable side SEVERAL M Between 1pin FG SEVERAL M Between 2pin FG SEVERAL M Between 3pin FG SEVERAL M Between 4pin FG Pull the IDUP connector of main board BLA PCB out check the followings on the cable side SEVERAL M Between 1pin FG SEVERAL M Between 2pin FG SEVERAL M Between 3pin FG SEVERAL M Between 4pin FG Pull each connector out of the board and check the following resistance v...

Page 146: ...e following data on the cable side SEVERAL M_Between 1pin FG SEVERAL M_Between 2pin FG SEVERAL M_Between 3pin FG SEVERAL M_Between 4pin FG Pull the IDUP connector of main board BLA PCB out check the following data on the cable side SEVERAL M_Between 1pin FG SEVERAL M_Between 2pin FG SEVERAL M_Between 3pin FG SEVERAL M_Between 4pin FG Action at NG Replace main board BLA PCB or the paper feed motor ...

Page 147: ...mperature has been detected Check whether fuser has been mounted normally has the fuser been pressed to bottom Action at NG Replace the main board BLA PCB with a new one Replace the fuser with a new one When trying to use a new fuser please utilize the fuse keep mode of the maintenance utility Replace the fuser with a new one replace the rear sensor relay board ZAK PCB or main board BLA PCB with n...

Page 148: ...LA PCB 9pin EXIT sensor Operate and adjust the sensor lever in order to check the above signal level Check the power supply of 5V of CN2 connector of rear sensor relay board ZAK PCB 1pin 5V power supply 3pin 0VL Check whether FFC has been inserted into RELAY connector of main board BLA PCB and CN1 connector of rear sensor relay board ZAK PCB normally Check whether the cable between color differenc...

Page 149: ...n of the maintenance utility check whether fuser motor operates normally Check whether load exists Check the cable connection By visual inspection please check whether incompletely connection and oblique insertion of HEAT connector of main board BLA PCB or defective cable assembly exists Action at NG Do not keep the cover in incomplete close open state Reinstall the rear panel correctly Repair the...

Page 150: ...er motor operates normally Check whether load exists Action at NG Replace the main board BLA PCB or fuser motor or fuser with new one When trying to use a new fuser please utilize the fuse keep mode of the maintenance utility See Note on page 154 6 3 1 Confirm status of the motor operation Confirmation Items 6 3 Paper eject jam occurred during paper feeding ...

Page 151: ...e fed overlapping Check whether size of paper loading inside tray is compatible with specified paper size Check whether there is something abnormal about the form of sensor lever and its movement Action at NG If paper jam reoccurred after removing jammed paper please replace the tongue piece of used tray Change the size of specified paper or change the size of paper in the tray Replace the sensor ...

Page 152: ...tch scanning test function of the maintenance utility Action at NG Replace the ID unit or right and left side plate with new one When trying to use a new ID unit please be careful not to break the fuse with jig inside the ID unit Please refer to page 132 Spread the grease evenly Assemble correctly Assemble correctly Assembly correctly Replace the left link lever with a new one Replace the high vol...

Page 153: ...er cool Refer to Chapter 8 1 check the resistance value Fuser The upper thermistor may be installed out of position is the measured temperature lowered Remove the heater cover by visual inspection check whether bending of sensor occurs If the lower thermistor is not contacted would the detected temperature be lower than actual temperature Is AC voltage supplied for heater normally Between 1 3pin a...

Page 154: ... of PU board BLA PCB 3 4pin 24V 7 8 9pin 0VL 1 2pin 0VP Action at NG Reconnect the connector Correct the wiring route Replace the FAN with a new one Replace the PU board BLA PCB with a new one Replace the low voltage power supply 10 1 1 Cable connection wire layout 10 3 1 24V power supply Confirmation Items Note Precaution for using FUSE KEEP MODE of the maintenance utility for troubleshooting Ple...

Page 155: ...nting Confirmation Tasks Check whether the specified Media Weight is correct Action at NG Correct the Media Weight 11 2 1 Media Media Weight setting Confirmation Items 7 5 2 12 LED head is not recognized Error 131 132 133 134 12 1 Service Call 131 134 LED HEAD Missing Connection of main board connector and head connector Head FFC Fuse conduction on the main board Confirmation Tasks By visual inspe...

Page 156: ... sensor Confirmation Tasks Does the core of toner sensor get dirty from toner By using the switch scanning test function of the maintenance utility check whether the sensor is normal Check whether the SCAN condition is changed with a white paper covering in front of sensor Furthermore start the printer with right side cover removed and check whether the red lamp of toner sensor blinks over PRE boa...

Page 157: ...3 1 Load condition of ID unit 13 3 2 Check the motor operation Confirmation Items 7 5 2 14 Fuse Cut Error Error 150 155 14 1 Fuse cut errors FFC connected with main board BLA PCB and toner sensor board PRE PCB Main board BLA PCB Confirmation Tasks Check whether incompletely connection and oblique insertion of SSNS connector of main board BLA PCB and SSNS connector of toner sensor board PRE PCB exi...

Page 158: ...urs Check the wire break by tester By visual inspection check whether peeling off of coating occurs Is environment temperature changed from low to high in a short time For example move from cold storage area to office environment Action at NG Reinsert the cable normally Replace FFC with a new one After moving the printer to the new environment for about one hour till it adapts to new environment t...

Page 159: ... cartridge mode NTC 7 5 2 16 RFID Related Error Error 610 613 16 1 A toner cartridge not installed Confirmation Tasks Check the status monitor for error details Error 554 557 614 617 620 623 Action at NG Replace with a usable genuine spare toner cartridge that is not a starter toner cartridge 16 2 1 Check for a toner cartridge of different type Confirmation Items Check the toner cartridge 16 2 Det...

Page 160: ...igure 7 2 F 164 5 Cyclic Print Trouble Refer to Figure 7 2 E 165 5 1 Vertical cyclic print trouble 165 6 Color drift is wide 166 6 1 ADJUSTING COLOR REGISTRATION is shown only a short time 166 6 2 Although REG ADJUST TEST of the engine maintenance function is OK Color drift is seen 166 7 Solid Black Print 167 7 1 Solid black on a full page 167 Note When replacing the PU board PRX PCB please read t...

Page 161: ...h voltage terminals of ID unit are normally contacted with contacting ASSY Please refer to Figure 7 3 Try to move the ID unit in and out by hand check whether ID unit can go down to correct down position without abnormal load If paper can be easily inserted between the drum and the belt it means NG Action at NG Replace the toner cartridge with a new one Keep the lever of the toner cartridge in clo...

Page 162: ...jig inside the ID unit Please refer to page 132 Try to use waste media to repeat the empty print for offset toner till print can be normally performed Or replace the fuser with a new one When trying to use a new fuser please utilize the fuse keep mode of the maintenance utility See Note on page 154 2 1 1 I D unit 2 1 2 Fuser Confirmation Items 2 2 Background is dirty totally Media type ID unit ter...

Page 163: ...is correctly connected Is drum shaft correctly contacted with left and right side plate By visual inspection check whether the high voltage terminals of ID unit are normally contacted with contacting ASSY Please refer to Figure 7 3 Action at NG Replace toner cartridge with a new one Correct the LED head setting Replace the LED head with a new one Replace the ID unit with a new one When trying to u...

Page 164: ...ID unit please be careful not to break the fuse with jig inside the ID unit Please refer to page 132 4 1 1 ID unit condition Confirmation Items 4 2 Thin vertical lines without color See Figure 7 2 F LED head Feeding route Confirmation Tasks Does any foreign adhere to light emitting surface of SELFOC lens of LED head Check whether the barricade resulted from unfixed toner scratched during unfixed p...

Page 165: ...mm for K C ID Check whether the period is 31 42mm Check whether the period is 79 3mm Check whether the period is 75 4mm Check whether the period is 75 4mm Check whether the period is 50 27mm Check whether the period is 43 98mm Action at NG Exchange the ID unit Exchange the ID unit Exchange the ID unit Exchange the ID unit Exchange the fuser unit Exchange the fuser unit Exchange the fuser unit Exch...

Page 166: ...ction of the maintenance utility check whether the shutter operates normally Action at NG Clean the sensor Replace the shutter with a new one Replace the main board BLA PCB Replace the color difference sensor board PRE PCB Replace the toner cartridge with a new one Wipe the dirt off Replace the shutter with a new one or correct the mechanism 6 1 1 Result of color difference correction 6 1 2 Toner ...

Page 167: ...of ID unit are normally contacted with contacting ASSY Please refer to Figure 7 3 When high voltage probe is used as maintenance tool please open the left cover and check the CH output from solder side of high voltage board by high voltage probe during printing High voltage probe is not a usual maintenance tool Action at NG Replace the terminal of equipment side with a new one Reinstall the termin...

Page 168: ... with trouble occurred in Flash 1 Flash compulsive initialization If Flash compulsive initialization is performed the following data would be deleted and the network would not be available NIC F W WebPage data Demo page data for OEM OEM It is necessary to write above NIC F W and WebPage data into Flash by the maintenance utility Note Do not carry it out usually ...

Page 169: ... Print out the network information Check IP address Subnet mask Gateway address Send the Ping command from PC to printer and check whether the response is correct Check the setting items of OKIPR utility Set windows NT 2000 XP standard LPR port and check whether print is normal Action at NG Reconnect the network cable normally Replace with straight cable Try to replace the HUB Rewrite the NIC F W ...

Page 170: ...unting place Maker name Model name Figure NO Rated current Rated voltage F2 LITTEL 0494 001NR 5402212S0102 1 32V F5 LITTEL 0494 003NR 5402212S0302 3A 32V F1 WICKMAN or LITTEL 1 3821200 0663 002 2A 50V F2 WICKMAN or LITTEL 1 3821125 0663 1 25 1 25A 50V 1 Fuse F1 and F2 of the high voltage board should be specified by WICKMAN or LITTEL 5402212S0202 High voltage board Page 181 Please refer to the fig...

Page 171: ...rcuit diagram configuration Part schematic Resistance value ID motor Transport belt motor Red Blue Yellow Brown Between pin 1 and pin 2 3 5Ω Between pin 3 and pin 4 3 5Ω or Between pin 1 and pin 2 4 4Ω Between pin 3 and pin 4 4 4Ω or Between pin 1 and pin 2 4 5Ω Between pin 3 and pin 4 4 5Ω Both ends of IP1 1Ω or less ...

Page 172: ...in 4 6 7Ω or Between pin 1 and pin 3 7Ω Between pin 2 and pin 4 7Ω Between pin 1 and pin 2 3 5Ω Between pin 3 and pin 4 3 5Ω or Between pin 1 and pin 2 4 4Ω Between pin 3 and pin 4 4 4Ω or Between pin 1 and pin 2 4 5Ω Between pin 3 and pin 4 4 5Ω Between pin 1 and pin 3 2 4Ω Between pin 4 and pin 6 2 4Ω Between pin 1 and pin 2 5Ω Between pin 3 and pin 4 5Ω Between pin 1 and pin 2 3 4Ω Between pin ...

Page 173: ... Between pin 4 and pin 10 about 4 7k 979 2k 0 200ßC Between pin 11 and pin 12 Open 7 1 2 3 5 6 8 9 4 10 11 12 1 6 7 12 Unit Circuit diagram configuration Part schematic Resistance value Fuser unit Fuse Frame thermally sensitive resistor Side thermally sensitive resistor C3400 C3300 is not use Frame thermally sensitive resistor Lower thermally sensitive resistor Upper thermally sensitive resistor U...

Page 174: ...R539 R557 R551 R533 R521 R532 C525 R518 R514 R512 C513 R520 R506 C531 R554 R550 R522 R544 R546 R507 R508 R510 C507 R503 R504 R509 R712 R713 C523 R541 R542 C535 R552 R553 R543 R548 R545 R555 R570 R517 R501 R565 R563 C542 C541 R561 C540 R560 R559 R516 R719 RM512 RM508 RM506 RM516 R580 C579 R584 R583 R589 RM525 R588 RM528 RM534 R600 R598 RM530 RM531 RM527 R599 RM532 C595 C589 C584 C575 C566 C572 C582...

Page 175: ...RED 60 61 FM2 1 R312 R313 R314 R315 IC10 R352 CP12 R335 R336 R309 R154 C135 R347 R346 R345 C115 R220 R259 R237 R260 R238 R263 R288 R225 R241 R264 R289 R226 R242 R265 R243 R266 R228 R292 R229 R293 R246 R269 R247 R295 R232 R271 R233 R272 R234 R273 R235 R299 C67 C82 C44 C9 C7 C2 C10 C13 C49 C64 C76 C68 R161 C70 C75 C80 C81 1 2 143 CN1 144 IC7 IC6 R116 R119 R125 R131 R134 R140 R145 R150 R117 R120 R126...

Page 176: ...3 R89 D7 D5 R64 C27 C28 R196 R172 CP7 180 121 120 181 1 1 24 ARMORED 60 61 FM2 1 R312 R313 R314 R315 IC10 R352 CP12 R335 R336 R309 R154 C135 R347 R346 R345 C115 R220 R259 R237 R260 R238 R263 R288 R225 R241 R264 R289 R226 R242 R265 R243 R266 R228 R292 R229 R293 R246 R269 R247 R250 R295 R232 R271 R233 R272 R273 R235 R299 C67 C82 C44 C9 C7 C2 C10 C13 C49 C64 C76 C68 R161 C70 C75 C80 C81 IC7 IC6 R116 ...

Page 177: ...557 R551 R533 R521 R532 C525 R518 R514 R512 C513 R520 R506 C531 R554 R550 R522 R544 R546 R507 R508 R510 C507 R503 R504 R509 R712 R713 C523 R541 R542 C535 R552 R553 R543 R548 R545 R555 R570 R517 R501 R565 R563 C542 C541 R561 C540 R560 R559 R516 R719 RM512 RM508 RM506 RM516 C579 R589 RM525 R588 RM528 RM534 RM530 RM531 RM527 RM532 C595 C589 C584 C575 C566 C572 C582 C587 C594 C597 C606 C596 C595 C593 ...

Page 178: ...TNR SSNS 2C 1E YTNR 2C 1E MTNR 2C 1E CTNR 2C 1E 1 10 IN2 WR 5 1 CN IN1 C502 C504 R502 C503 R501 CN2 J1 1 A K REGSNSL C E CN4 CN1 J2 J3 1 CP1 J4 10 17 1 3 A 5 1 CN3 K REGSNSL C E 4 Front sensor circuit board MIP PCB Component side Solder side 5 Rear sensor relay circuit board ZAK PCB ...

Page 179: ...10 C106 Q110 Q120 Q130 Q140 D130 D110 L100 C104 R120 R130 R140 C141 C140 R106 R105 Q100 Q101 C121 C131 C120 C130 D121 D131 D141 TP1 R200 C203 R203 C200 C202 R202 Q200 R201 R205 R206 C207 C206 LZ01 L203 R212 Q203 TP3 C32 R9 R213 R100 C100 R101 R104 R103 R108 R107 D200 C209 Q202 Q201 R207 R208 C208 C210 R209 R211 R212 FB2 TP2 R210 TP4 R204 C204 L200 L202 C205 C201 C7 F1 C8 C5 IC1 R2 C10 C12 R23 R16 ...

Page 180: ... R117 R116 J107 BEA201 C201 J2 J1 J118 J122 J113 C106 J120 R105 R104 R204 R137 Q101 D211 J105 D210 J108 J103 J112 J111 J115 J117 IC201 IC101 J15 PC1 PC4 PC2 L201 CN101 1 D111 D110 D103 VR201 J110 J127 C203 J128 J9 R17 D4 T1 PC5 R252 BEA101 BEA103 BEA102 J104 J101 C111 J114 D101 F101 D203 J126 J105 C101 CN102 1 J121 J130 D3 D22 C19 Q2 Q1 R5 C23 J123 J116 J119 J4 C67 J129 J14 J5 J8 J15 J18 J17 C53 R...

Page 181: ... R209 R211 Q201 R114 R115 R113 R213 R215 C210 C110 J109 R111 R112 C204 R206 R203 R207 C206 R119 R201 R202 C13 J124 D45 R46 R45 C11 C10 C15 R5 R11 D42 D41 R41 R42 R43 R46 D43 Q43 R4 C14 C16 R49 C40 D44 R51 C52 R3 R222 C220 C205 R120 R101 R214 R212 R220 R10 IC1 R221 R122 R124 R126 R128 R130 R132 R134 R136 R205 R208 R6 R252 Q251 R18 R33 R230 R106 Solder side ...

Page 182: ...R313 Y_R310 Y_Q302 Y_Q301 Y_R309 K_R310 K_Q302 K_Q301 K_R309 Y_R314 K_R303 K_D303 K_ZD302 K_R318 K_R329 K_VR301 F1 F2 R38 R39 R36 R32 R35 J16 R29 R28 R27 K_R326 K_Q305 K_R320 M_R308 M_R301 C_R308 C18 R47 R716 D103 Q11 C21 IC5 R23 C17 C15 C8 M_D301 M_R305 M_R300 M_301J113 C_C302 C605 R608 R509 ZD600 R606 D600 R506 R515 D500 C501 R514 C500 R501 R500 R510 C601R613R611C505R513 C604R604R612R511R512 R50...

Page 183: ...183 12 ID unit 13 Transfer belt unit Fuse Main body of device Contacts ID unit ID unit side LED PCB CUR PCB Contacts Toner Low sensor PCB PRE PCB Fuse Main PCB BLA PCB Transfer belt unit For consumables Transfer belt unit Contacts Fuse Contacts ...

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