Trouble Shooting
Contents
1. CS opys tar Kyocera Technology TECHNICAL BULLETIN CS 250cI 300c1400c1 500cI BULLETIN INDEX 02 11 11 SUBJECT BULLETIN NEV MODEL FROUUGT INFO RIVA I Nr 1 MEASURE FOR DP 760 CIS CABLE CONNECTOR DAMAGE ooo eaaee ae caaeeeccace 2 CHANGE TO THE INSTALLATION PROCEDURE FOR CASSETTE HEATER 3 PRECAUTION WHEN INSTALLING THE JOB SEPARATOR 45 720 i 4 MEASURE TO PREVENT THE TRANSFER BELT FROM TEARING oo aaaaescanaae 5 MEASURE FOR DEVELOPER CLEANING OR TONER MOTOR FAILURE 2222222222 6 PANTONE APPROVAL lion ARTI OSADA OO JOOP RR 7 MEASURE TO PREVENT A C1400 ERROR CODE OR JAM CODE 00 50 51 1 8 MEASURE FOR C2810 ERROR CODE WASTE TONER MOTOR PROBLEM 9 500ci SERIES TROUBLESHOOTING GUIDE ccccsssssscssnnsscccnnsscccnnsseccnnsseccnnesscnsnessccsnesssess 10 RECOMMENDED ACTION FOR FIELD MACHINES dLo gt opystar ATSETUP NEXT SERVICE CALL Kyocera Technology NEXT PM INFORMATION ONLY TECHNICAL BULLETIN CS 250ci 300ci 400ci 500ci Bulletin Model Date CS CS 02 11 11 250ci 300cl 400ci 500ci 10 250ci 300cli 400ci 500ci Updated Serial Number N A Subject 500ci SERIES TROUBLESHOOTING GUIDE This technical publication is confidential information that is the property of Kyocera Mita America Inc It is solely for the use of Kyocera Mita s authorized dealers This information may not b2. ag 10 Streaks 1 Drum streaks Sample 1 Streaks on the surface of the Drum sub scan direction Print a sample test chart in U89 Color Belt a Verify which color has the problem b Replace the Drum unit corresponding to the color of the streaks 2 Transfer belt streaks Streaks on the surface of the Transfer belt sub scan direction a Replace the Transfer belt unit 3 Document Processor scan streaks Dirt on the slit glass a Clean the Slit glass area with a clean dry lint free cloth 11 C Call CLN Motor DLP Motor Reference hem Objectpart Relating C Call PARTS MOTOR DLP Color CLN Motor C2352 302H79309 Label Yellow Color Dev Motor BK CLN motor C2351 PARTS MOTOR CLN C2101 302H79310 PS SZARO C7101 Container Agitator Motor C7010 PARTS DC MOTOR ASSY 302H79444 Toner supply Motor C7000 12 C Call C2101 C2102 1 C2101 C2102 Developing Motor Trouble C M Y K Remove the Rear cover and check whether the Motor in question rotates during operation Refer to below Fig If the motor is rotating or tries to rotate check the following areas Remove the Developing Unit and manually rotate the Dev Unit gear by hand If the Gear is hard to turn shake the unit back and forth and check if the gear is easier to turn Repeat this a few times If the gear turns the unit is OK If the gear is does not turn or is difficult to turn replace the Developing Unit Note If the new Developing Unit is
3. check the following areas If the gear turns the unit is OK coop Remove the Developing Unit and manually rotate the Dev Unit gear by hand If the Gear is hard to turn shake the unit back and forth and check if the gear is easier to turn Repeat this a few times If the gear is does not turn or is difficult to turn replace the Developing Unit Note If the new Developing Unit is not shaken back and forth to loosen developer the C code can occur again Problem with T C sensor Replace the Developing unit a Remove the front cover and check the Front PCB Front sub PCB connection connector wire b Locate the loose connector or pinched wire c Problem with the Front PCB Front sub PCB d Replace the Front PCB Front sub PCB Check the Engine PCB connection connector wire a Locate the loose connector or pinched wire b Problem with the Engine PCB Replace the Engine PCB The Motor does not rotate a Check the Motor connection connector wire b Checkif the Fuse is bad See TB 6 for fuse check procedure c Locate the loose connector or pinched wire d Insert the connector or replace the harness Check the Engine PCB wiring connection a Locate the loose connector or pinched wire b Insert the connector or replace the harness c Replace the motor d Problem with the Engine PCB Replace the Engine PCB 17 If the fuse is bad the dev motor trouble C call of may not be detected No operation of detection c
4. not shaken back and forth to loosen developer the C code can occur again Q0 Tp If the Developing Unit is OK check the following areas a Turn the Motor Drive Unit Gear in question after removing the Developing unit for each color b If the Motor Gear is hard to turn replace the Parts S Main Drive Unit If the Motor does not rotate at all Check the Motor connection connector wire Check if the Fuse is bad See TB 6 for fuse check procedure Locate the loose connector or pinched wire Insert the connector or replace the harness Q0Tp Check the Engine PCB wiring connection a Locate the loose connector or pinched wire b Insert the connector or replace the harness c Replace the Dev motor if no pinched wires are found If the following occurs C710X image lighter toner empty lights up Fuse is OK d Replace the Engine PCB If the Fuse is bad a Dev Motor trouble C call may not be detected No operation of detection circuit If the connector is not connected a C Call for Dev Motor trouble is detected 13 C Call C2351 C2352 1 C2351 C2352 Cleaning Motor Trouble CMYK Remove the Rear cover and check whether the CLN Motor in question rotates Refer to below fig If the CLN Motor is rotating or tries to rotate a Remove the Drum Unit and Rotate the Cleaning Roller Drive Gear b Ifthe Gear is hard to turn replace the Drum Unit a Turn the Drive Unit Gear for each the developing uni
5. 0ci Series machine the source is the Drum We know that because the circumference of the Drum is 96mm If the defect is every 38mm we know it is the Main Charge Roller because the circumference of that roller is 38mm The defect is repeated on the paper each time the drum or roller makes one rotation Toner Dot Dev Toner Leaking etc continued Random dot reference Adjustment Menu on the U464 screen is changed as follows AC Calibration Type under AC Calibration Normal setting O High Altitude MODE1 MODE2 Default MODE Maintenance Mode Select the number Setting the ID correction operation Maintenance Mode Select the number Setting the ID correction operation om 1 When color dots appear on the image set the AC Calib Type to 2 Color dots mode 1 or 3 Color dots mode 2 if the previous setting does not help 2 Set the color C M Y K to ON that requires Dev unit calibration with reference to the color dot and then execute the AC Calibration 3 When Normal Mode 0 OFF is entered for AC Calibration Type the value will be internally set to the value acquired after executing the previous AC Calib Type operation Reference C and D on the chart below Normal Mode 0 is set when firmware is upgraded in the field 4 Default mode 4 is set in new MFP s from the Factory Leave at this initial setting unless there is a problem Note When executing ca
6. 2 D U464 AC Calibration Magnification value Void Areas 1 DLP sleeve roller pitch Sub scan direction 32mm pitch Sample 1 Print a sample test chart in U89 for each color GRAY C M Y K Sample1 b Update Firmware latest Version on KMAconnect Execute Developer Refresh Replace the color DLP Unit which is causing the problem when the developer refresh does not help ag Sample2 a Clean DLP sleeve roller with a clean dry lint free cloth b Replace the color DLP Unit which is causing the problem when cleaning does not help 2 Drum pitch Sample 3 Sub scan direction 98mm pitch a Clean the Drum area with a clean dry lint free cloth b Replace the Drum Unit for the color when cleaning does not help Sample 2 96mm Void Areas continued 3 Primary Transfer roller pitch No Sample Sub scan direction 63mm pitch a Each color has to be checked b Check whether the Transfer Belt is in its position and if not reposition it 4 Transfer belt pitch No Sample Sub scanning direction Secondary Transfer belt 890mm pitch Output three pages of 11x17 and the void area can be checked on 1st and 3rd page Check with all colors a Clean the dirty Transfer Belt area with a clean dry lint free cloth b Replace the Belt unit when cleaning does not help c Replace the Belt unit when there is damage on the belt and change the position of the SEAL TAKEOFF 302H715350 on the Black Developer unit The SEAL TAKE
7. 25 to Modeb If background still occurs set U147 to Mode1 or Mode2 Toner applying mode to U147 Sample vr pa NP OOC po 70002000 NO 092 MODEO New mode to review the toner disposal amount in Factory MODE1 setting This is added as a measure to prevent toner deterioration due to reduced developing drive time U 1 0 W NO 0 0T DD gt NN NO I When background and or image density deterioration occurs with frequent low coverage oo printing etc deterioration are not improved with MODE1 gt a Factory setting is MODE 0 t 1 NN Note If frequently running low coverage printing or intermittent printing is frequently repeated Ex Continuous FaceUp printing from the 3 000 sheet finisher or continuous booklet printing etc background or low image density may occur Set to MODE1 in U147 If there is no improvement please set MODE2 Smudges 1 Smudges appear on the image Update Firmware to latest Version on KMAconnect Run Developer refresh Run Color calibration Replace the DLP unit that corresponds to the color of the smudges when Developer refresh does not help Check the original coverage ratio on the status page If the original coverage ratio is between 5 to 10 change the setting of U325 to Mode 4 If the original coverage ratio is between 10 or more change the setting of U325 to Mode 5 QmoQosp Sample1 Shape is various Lig
8. OFF 302H715350 is bundled with the new Belt unit Refer to Technical Bulletin 5 Measure to Prevent the Transfer Belt from Tearing 1 4 Void Line Developing Unit Void lines Line on the surface of the DLP sleeve roller dust foreign substance Print a sample test chart in U89 Color Belt a Update Firmware to latest Version on KMAconnect b Run Developer refresh c Replace the color DLP Unit which is causing the problem when developer refresh does not help LSU Void lines Dirty slit glass or internal LSU defect Each color has to be checked Sample 1 a Execute Cleaning Laser Scanner from System Menu Adj Maintenance Laser Scanner Cleaning Transfer belt Void lines Void Lines on surface of Transfer belt similar to Sample 2 a Replace the Transfer belt CIS Void lines Document Feeder Dust foreign substance on the surface of CIS a Checked with all colors Sample 3 b Clean the dirty CIS area with a clean dry lint free cloth Background 1 Background appears on the image Update Firmware to latest Version on KMAconnect Run Developer refresh Run Color calibration Replace the DLP unit that corresponds to the color of the background when developer refresh does not help Check the original coverage ratio on the status page If the original coverage ratio is between 5 to 10 change the setting of U325 to Mode4 If the original coverage ratio is between 10 or more change the setting of U3
9. cles during warm up This ensures that the firmware is OK and not corrupt At each Step performed listen for the Engine and Scanner cycles during warm up Note When Uploading Firmware always use the MAIN PCB USB Slot and wait the full Display Locked at Welcome Screen amount of time for a result on the panel DO NOT interrupt any Step Reboot the Panel CPU Firmware using the Dip Switch on the bottom of the panel PROCEDURE Turn the MFP OFF flip the Dip Switch amp turn the MFP ON Wait till the Memory Light Stays Lit Turn MFP OFF move switch to normal position and Load MMI Panel CPU Firmware If 100 complete successful Turn the Machine OFF RUFD Remove USB Flash Drive amp turn ON Wait at least 30 min to see if an error displays If upload fails or no change in Display proceed to the next step RUFD Remove USB Flash Drive Load Main Firmware If 100 complete successful Turn OFF RUFD amp turn ON wait at least 30 min to see if an error displays CF000 F04x or Welcome Screen Displays Replace the Main Code Upload Fails or DIMM Go to next step Welcome Screen displays Upload successful Load MMI Panel CPU Firmware again If 100 complete successful Turn OFF RUFD amp turn ON wait at least Upload successful 30 min to see if an error displays error code displays Enter SM 419 Check that all Firmware Levels are registered on the display o
10. e published reproduced sold or copied in any media lts unauthorized use is prohibited Copyright 2011 by Kyocera Mita America Inc All rights reserved Technical Services has documented the most common solutions to 500ci Series field problems in one convenient Guide This Guide should be reviewed at your next technical meeting and distributed to your field personal The information provided is a good troubleshooting tool if you have a specific problem that has been addressed in the following pages If you have any additional questions regarding the information in this Technical Bulletin please contact the Kyocera Mita Diagnostic Center at 1 800 255 6482 or email us at support kyoceramita com 500ci Series Troubleshooting Guide Revision 1 0 01 14 11 Table of Contents EDEN 2 TONER DOT DEV TONER LEAKING ETC CONTINUED sa 3 TONER DOT DEV TONER LEAKING ETC CONTINUED o aa da Zd Ask B doda ei Ok ed dioda Jesli 4 VIDAR nn 5 PENN 6 VEE RENEE nn 7 FUNN EEEE ENEE A ENAA EA ENAA A AE A O EEE 8 VE A SS A A ee 9 HOME 10 Sr ARR Ent et NN I oeE ere re ree ee 11 MN EEA 12 co MS One NEy a Tw CECI ONO Ter ever SENET SET Sere RUE er Tete E E ENE TEE 13 Dili lu lion 14 MN E E 15 e 16 eo Mesa 17 ME 18 VEN 18 TROUBLESHOOTING FLOW CHART FOR DISPLAY LOCK CF000 ETC e 19 Toner Dot Dev Toner Leaking etc Always complete all steps in order under each number 1 Random dot Sample Donut dot random colo
11. evel matches the current Pack Levels Possible firmware mismatch Continue to next step if they do not match or can not get into Service Mode Additional Tip C0840 Error Occurs after replacing Main PCB perform U906 reset
12. ht Image 1 Light image Toner is over charged Sample 1 Low toner usage environment Sample1 Print a sample test chart in U89 Color Belt Update Firmware to latest Version on KMAconnect Execute Developer refresh c Replace the DLP unit corresponding to the color problem when the developer refresh does not help d If it occurs on a color DLP set U486 from Mode2 Default to Mode1 Ses 2 Light image open ground Sample 1 Transfer belt ground contact problem a Check the ground contacts for the Driving roller on the Transfer belt 3 Light image poor output transfer voltage Sample 1 Primary transfer voltage problem a Check the ground contacts between the Primary high voltage unit and Primary Transfer roller on the Transfer belt Fig 1 b Remove the Transfer belt Unit in accordance with the Service Manual Note If you do not remove the Left Eject Assy first you can destroy the contacts on the HV Unit for the Primary Transfer Belt roller on the Transfer Belt Primarily the Black which is at the front and is circled in the Fig 1 4 Light image developing bias Sample 2 Developing bias problem a Run U464 AC Calibration b After completing AC Calibration if a error 11 14 appears check the following areas Check the Contact area between the DLP Unit and the Main HV PWB Check the Wire harness and connector between the ENGINE PWB MAIN HV PWB e Replace the Main HV PWB if the problem still exists
13. ircuit Index of Parts 250ci 300ci 400ci 500ci Page Reference PARTS DLP K L UNIT PARTS DLP K UNIT 2 7 10 14 ARTS DLP C L UNIT PARTS DLP C UNIT 2 7 10 14 i ARTS DLP Y LUNIT ARTS DLP M L UNIT UNIT PARTS FUSER 120 L UNIT PARTS TRANSFER BELT L UNIT PARTS PWB ENGINE ASSY SP Term PITCH DLP DEV Uj U gt JJ H Op U JJ C lt N OT PARTS DLP Y UNIT PARTS DLP M UNIT PARTS DRUM 50 UNIT PARTS FUSER 120 H UNIT PARTS TRANSFER BELT H UNIT le PARTS PWB ENGINE ASSY SP 2 7 10 14 2 7 10 14 2 7 10 14 NE AA A A eee PARTS PWB HVU CONTROL ASSY SP PARTS MOTOR DLP PARTS MOTOR CLN 9 11 13 14 9 11 13 14 Glossary of Terms Description The distance between a repeating defect in a copy or print It is used to help determine the source of the defect If a dot is repeating every 96mm on a 500ci Series machine the source is the Drum We know that because the circumference of the Drum is 96mm If the defect is every 38mm we know it is the Main Charge Roller because the circumference of that roller is 38mm The defect is repeated on the paper each time the drum or roller makes one rotation Developing Cleaning Main Charger 18 Models 250ci 300ci 400ci 500ci 552ci 300 420i 520i Turn the MFP OFF and Disconnect ALL Accessories Turn the MFP back ON and wait a minimum of 30 minutes to see if an error displays Check if the Engine and Scanner cy
14. libration after a new developing unit is installed set to 4 Default mode select the applicable color unit and then execute AC calibration Toner Dot Dev Toner Leaking etc continued Random dot reference Adjustment When setting High altitude mode you need to set the following combination High Altitude is set to MODE 2 and AC Calibration Type is set to 1 in U464 Note do not set High Altitude Mode unless advised by a Regional Rep or the Diagnostic Center When making a setting under AC Calibration please follow the order below 1 Enter the value for AC Calibration Type and then press the Start key to enter the setting 2 Select the applicable color and then change the setting to ON 3 Press the Execute button on the operation panel to execute the calibration The setting is fixed by pressing the Start key and is executed by pressing the EXECUTE button Enter the Enter the Setting for each value using value using color when ecaib Operation numeric keys numeric keys entered using p EW ac numeric ETI Value from previous Value from previous EL Ka executed for four ie Only the selected color 2 2 A All OFF unit is turned ON and executed Only the selected color 07 AILOFF unit is turned ON and executed Only the selected color Default mode All OFF unit is turned ON and executed A High Altitude is set to Mode1 C U140 Dev Roll2 Duty value B High Altitude is set to Mode
15. r can not access Service mode If Engine is missing or can not get to SM load Engine If 100 complete successful Turn OFF RUFD amp turn ON wait 30 min to see 1f an error displays System Error Ex F041 F247 NO Error Upload failed If Engine upload fails Check that all connectors are seated correctly and harness is OK If OK Replace the Engine PCB If Scanner upload fails Replace the Scanner PCB If MFP comes to Ready after waiting a minimum of 30 min load the current complete Firmware Upgrade Pack No Upload Error done 02 25 11 Rev 2 CF000 or Welcome Screen Replace the 2GB Memory DIMM If Error still occurs continue to replace Main PCB Replace the Main PCB Load Scanner Firmware If 100 complete successful Turn OFF RUFD amp turn ON wait 30 min to see 1f an error displays Panel Firmware may be corrupt or incompatible versions Note Firmware upload progress bar will normally display in a few minutes DO NOT turn the MFP OFF during this process until the firmware shows 100 complete or there 1s no change or a new display error Load Main Firmware If 100 complete successful Turn OFF RUFD amp turn ON wait at least 30 min to see if an error displays If it fails go to next step If Successful No Error No Error done Ready to Copy System Error Enter SM 19 Check that all individual Firmware Levels are registered on the display and ensure each l
16. r dot see Sample 1 Update Firmware to the latest Version on KMAconnect Feed Identify the color of the dot pee U464 AC CALIBRATION TYPE set from 0 Normal setting to 2 Color Dots Mode 1 This sets the Dev ROLL2 DUTY to 317 and the AC Calibration Magnification to 5 Next perform U464 AC Calibration execution for the color of the dot Check for dots If not resolved set from 2 Color Dots Mode 1 to 3 Color Dots Mode 2 Next perform U464 AC Calibration execution for the color of the dot w If not resolved replace the DLP Unit that matches the color dot and set to 4 Default Mode and execute AC Calibration for that color Sample2 IOT See the following pages for detailed information on the above adjustments 2 Random dot cloud Dev toner leaking a cloud of random dots see Sample 2 a Update Firmware to latest Version on KMAconnect b U464 perform AC Calibration execution for the color of the dot 3 Main Charger pitch dot Dots in sub scan direction MC roller pitch 38mm repeating see Sample 3 a Replace the Charge Roller matching the color if the dot Sample4 4 Drum pitch dot Sample3 Dots in sub scan direction Drum pitch 96mm repeating see Sample 4 a Replace the Drum Unit that matches the color of the dot 38mm 96mm Pitch The distance between a repeating defect in a copy or print It is used to help determine the source of the defect If a dot is repeating every 96mm on a 50
17. r replace the harness Problem with the Motor Replace the Toner motor Problem on the Engine PCB Replace the Engine PCB Problem with the Drive unit Replace the Drive unit oops op Toner supply Toner supply spiral coupling 15 C Call C7100 1 C7100 Toner Container Motor Trouble Remove the Toner container and turn the supply agitator coupling in each container to see if it moves freely Refer to fig a If it seems to be bound replace the Toner container If it moves freely without problem open the front cover and interlock the safety switch Perform U135 toner motor operation to see if the gears rotate Container Motor CW Check the rotation of container agitator motor coupling at main body Refer to fig a If one is rotating and other is not rotating replace the Drive unit on machine rear side No rotation at all a b C d e f Check the motor connection connector wire Locate the loose connector or pinched wire Insert the connector or replace the harness Problem with the Motor Replace the Toner motor Problem on the Engine PCB Replace the Engine PCB Problem with the Drive unit Replace the Drive unit Container agitator spiral coupling 16 C Call C7101 C7102 C7103 C7104 1 C7101 7102 7103 7104 Toner Control Sensor Trouble CMYK Remove the Rear cover and check whether the Motor in question rotates during operation Refer to below Fig If the motor is rotating or tries to rotate
18. t b If the Drive Unit Gear is hard to turn replace the Parts S Main Drive Unit The Motor does not rotate at all Check the Motor connection connector wire Check if the Fuse is bad See TB 6 for fuse check procedure Locate the loose connector or pinched wire Insert the connector or replace the harness Q0 Tp Check the Engine PCB wiring connection a Locate the loose connector or pinched wire b Insert the connector or replace the harness c Replace the Friction motor if no pinched wires are found If the following occurs C710X image lighter toner empty lights up Fuse is OK d Replace the Engine PCB If the Fuse is bad a Dev motor trouble C call may not be detected No operation of detection circuit If the connector is not connected a C Call for Dev Motor trouble is detected Drive Gear 14 C Call C7000 1 C7000 Toner Motor Trouble If you are not sure which Toner Motor total 4 for each color Toner container has trouble remove the Toner container and turn the supply spiral coupling in each container to see if it moves freely Refer to fig on the right a If it seems bound replace the Toner container If it moves freely without problem open the front cover and interlock the safety switch Perform U135 toner motor operation to see if the gears rotate Refer to fig on the right Check the motor connection connector wire Locate the loose connector or pinched wire Insert the connector o
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