Check/correct related circuits | Toshiba FC-22 guide

(12) White banding (at right angles to feeding direction)

Feeding direction

Cause/Defect area	Step	Check items	Measures
Main charger	1	Foreign matter on charger?	Remove foreign matter.
	2	Terminal contact defective?	Clean or adjust terminals.
Drum	3	Any abnormalities on drum surface?	Replace drum.
Discharge LED array	4	Discharge LED array lighting properly?	Replace discharge LED array or clean terminals.
Developer unit	5	Developer sleeve rotation defective? Any	Check developer drive system, or clean sleeve sur-
		abnormalities on sleeve surface?	face.
Drive system	6	Drum or scanner jittery?	Check each drive system.
High-voltage transformer	7	High-voltage transformer output defective?	Check/correct related circuits.
(main charger and transfer			If high-voltage transformer is defective, replace it.
roller)

FC-22 TROUBLESHOOTING

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January 2000 © TOSHIBA TEC

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Toshiba FC-22 manual Check/correct related circuits

Contents

Service of Machines Main Service Parts for Safety Entsorgung des gebrauchten RAM-ICs inklusive Disposition of Consumable Parts/Packing MaterialsVorsicht Der Lithium-Batterie nach Angaben des Herstellers Adjustment Items Preventive Maintenance PM Contents Troubleshooting Based on Error Code Firmware Updating Appendix Error Code List Restart time out error Original not reaching the aligning sensor Scanner related service callOriginal jam in the ADF Original not reaching the exit sensor C3F Eeprom initializing error ADF related service callError of aligning sensor automatic adjustment Error of paper exit sensor automatic adjustment Bin shift motor rotation abnormal Automatic adjustment error of bin inside paper sensorTransport motor rotation abnormal Guide bar swing motor rotation abnormal F11 99 08 26 17 57 236210000000 Error code Unused Self Diagnostic Mode Transition diagram of self-diagnostic mode conditions Input check Test mode ADU side switch A3/LD Full COLORkey OFF, Auto COLORkey OFF, Energy SAVERkey on Full COLORkey OFF, Auto COLORkey ON, Energy SAVERkey OFF Full COLORkey OFF, Auto COLORkey ON, Energy SAVERkey on Operation procedure Full COLORkey ON, Auto COLORkey OFF, Energy SAVERkey OFF Output check Test mode ON/OFF Document motor indicator 1 reciprocating Carriage fan motor rotation when standby low speed ON/OFFCarriage fan motor rotation when running high speed ON/OFF SCM fan motor rotation speed Low/High Operation procedure Group Pixel modulation pattern 1 for selecting pulse width Test print modePixel modulation pattern for creating γ table Pixel modulation pattern 2 for selecting pulse width Adjustment mode Group Full color OHP mode318 ~255 Fine adjustment of feed motor rotation speed Fine adjustment of fuser motor rotation speedFine adjustment of drum motor rotation speed 390 Color registration sensor error Or 16 or above Normal Thick paper 2 modeThick paper 3 mode Right margin Modulation mode switching, type a Write start position adjust 2nd cassetteDefault 9 68 msec Modulation mode switching, type B Monochrome mode black text γ curve set Density adjustment density curve selectionColor mode black text γ curve set selection Monitor patch output ON/OFF switching Darker setting Printed image Fine adjustment TextCenter setting Printed image Manual density Full color Text/Photo Made at the light side become Lighter setting Printed imageSity fine adjust Text Lighter For ID Full color non-text area M Total hue adjustmentFor ID Full color non-text area Y For ID Full color non-text area C Tend to be judged as color Auto-color mode Total luminance adjustmentTotal saturation adjustment Adjustment Macro recognition Pre-process shading Threshold adjustment AI mode setting Time-out settingMacro recognition Pre-process text threshold Adjustment Adjustment Map Default is equivalent to Micro recognition Text emphasis adjustmentWhen the value increases, the im Micro recognition Logo text inside threshold Fixed black ratio adjustment, type C Fixed black ratio adjustment, type aFixed black ratio adjustment, type B Fixed black ratio adjustment, type D ~255 Mode become denser Color mode, black text γ adjustmentMonochrome mode, black text γ adjustment Color balance Text Low density Color balance Text/Photo Low densityHigh density Photo Low density Output value indica When the light source Procedure Group Power Cancel Clear Energy Saver Start Setting mode Following items can be set or changed in this mode All clearing by key copy counter Disabled 1Enabled Removal Timer for Print job start up time Set number SecondsIs disabled Original 269 Radf Image quality control auto-start Start count setting of developer When 1 is set, a paper source becomesDisabled Enabled Paper source priority A4/LT Secondary scanning 100% 1 101% Reproduction ratio adjustment Image repeat gap Radf priority mode Continuous feeding by Start keyFunction clearing immediately Invalid 1 Valid After copying Invalid Other than All clearing of pulse width Selection adjustment results Power shutoff Low powerAll clearing of image processing Adjustment values All clearing of γ correction Table adjustment results Display of counter value Code 08-802 is Reflected Refer to Counter function and maintenance chacke listFull-color print counter Copier Black print counter Copier Radf original counter Drum C life counter display/0 Refer to Counter function and maintenance check list Available during MFP 906Does not start 1 Starts Invalid Valid System mode display Procedure for registering ID codes Registering/changing ID codes Correcting ID code Adjustment Order Copy Image Related Adjustment Automatic Adjustment of the Auto-Toner Circuit 100% AA3 Wait Remove the developer cartridges Install the toner cartridges Check if the developer cartridge gears rotate properly Replace disabled parts03-113 ON, 03-163 OFF Replace EPU Automatic Initialization of Image Quality Control Copy Image Dimensional Adjustment XXX 447 448 Which occurs when the paper scrapes onLong size 439 441 443 445 Short size 440 442 444 446 449 Feed motor speed adjustment Printer related adjustment FC-22 Adjustment Grid pattern Scanner related adjustment Step Application Method of the Adhesive for Screw Locking Application area Carriage frame Mirror Image skewing adjustment FC-22 Adjustment LCF FC-22 Adjustment Chart TCC-1 Adjustment order Toshiba Color Chart Transfer belt Place the Patch chart for gamma adjustment produced in stepShown. Press Start to have the adjustment results reflected Input 2 with digital keys, and press Start and then Inter FC-22 Adjustment Manual-density Remarks550 551 Full Dark step value Dark side becomes 570 571 Acceptable values 0 to Copy mode Item to bePhoto Map Remarks Adjusted 255 702 Offset value for Copy mode Item to be adjusted RemarksColor 698 699 Background Background becomes Judgment Threshold for ACS AI Mode Setting AI text area Image becomes Code Color mode Copy mode ContentAI photo area Have to make adjustment by compromising AI photo area Smaller the value, the less moire tends to Overview High-Voltage Transformer SettingsSettings after replacing main high-voltage transformers Settings after replacing transfer transformer Adjusting Doctor-to-Sleeve Gap Adjusting the Scanner Section Adjusting the Carriages Installing the carriage drive wires to the wire pulleys Relationship between wound turns and wire holder jigs Lens Unit Loosen 2 screws for fixing the lens unit Marking Adjustment Direction FC-22 Adjustment Adjusting the Cassette for Sidewise Deviation Key Copy Counter MU-8, MU-10 08 setting mode, enter 3 under code Preventive Maintenance PM Types of Preventive Maintenance Symbols used in the checklist For FC-15 Preventive Maintenance ChecklistSymbols used in the checklist For FC-22 General Maintenance Checklist FC-22 Original glass Z60or a Platen cover Mirror TBU Color Maintenance Checklist FC-22 General Maintenance Checklist FC-15 Image quality sensor’s area Z40 Color Maintenance Checklist FC-15 53 52 51 54 56 57 Front sectional view Processing unit EPU Front-side drive system Such as screws on the table Developer material FC-22 Preventive Maintenance PM Kit SR-FC22H 20K kit Page Scanner carriage jig List of Adjustment ToolsTest chart No. TCC-1 Precautions for Storing Toshiba Supplies Checking and Cleaning of the Photoconductive Drum FC-22 Supplies Checking and Cleaning of the Fuser Rollers Checking and Replacing the Transfer Belt Checking and Replacing the Transfer Roller Is the fuser motor rotating? Troubleshooting Based on Error CodeReconnect the connector. Replace the harness Disconnected? E03 Paper remaining inside the copier at power on Paper feeding jam E11 Paper misfeed from the ADU E12 Paper misfeed from the bypass Replace the cassette-feed jam sensor Replace the LGC board E19 Paper misfeed from the LCF Reconnect the connector. Replace the harness E42 Side door opened during copying Cover open jam E41 Front cover opened during copyingClose the front cover or the paper exit unit Is the side door open? Close the LCF jam access cover E45 LCF jam access cover opened during copyingIs the LCF jam access cover open? E43 ADU unit pulled out during copying Close the bypass unit E46 Bypass unit opened during copyingIs the bypass unit open? E52 Paper not reaching the ADU path sensor Have too many originals been placed? Original does not reach the aligning roller Original stops, skewed on the original glass Paper jam in the sorter EA1 Paper transport delay jam Paper transport stop jam Is the stapler unit cover securely closed? Paper remaining on the sorter transport path at power onEA4 Sorter front door opened during copying EA5 Staple jam EC3 OHP sheet used in non-OHP mode Is the ADU motor rotating properly? C09 Black developer motor rotation abnormal Is the black developer motor rotating properly? C0A Color developer motor rotation abnormal Is the color developer motor rotating properly? Drum motor M rotation abnormal Drum motor K rotation abnormalDrum motor C rotation abnormal Drum motor Y rotation abnormal Put the belt on properly C12 ADU paper end guide function abnormal Replace the gear Do the switches and sensors in the LCF unit function? C18 LCF tray function abnormal C28 C29 Exposure lamp disconnection detected Replace the harness. Reconnect the connectors Is used toner jammed? Is any abnormal mechanical load found? C33 Developer removal shutter function abnormal C35 Transfer belt unit contact/release function abnormal C37 Transfer belt motor rotation abnormal C38 C39 Replace the auto toner sensor Replace the LGC board Reconnect the wire cleaner limit switch Reinstall the main chargerReconnect the wire cleaner home position switch Securely C42 Thermistor abnormal after the copier becomes ready FC-22 Troubleshooting C41 C48 Heater abnormal high temperatureError C7 FC-22 Troubleshooting FC-22 Troubleshooting FC-22 Troubleshooting C73 Eeprom initializing error C74 Error of exit sensor automatic adjustment C9A Main memory abnormal Other service calls C94 Main-CPU abnormalObserve the condition for a while C9E IMC board connection abnormal Replace the laser optical unit CA2 H-SYNC abnormal Is the polygonal motor rotating? Sorter related service call Transport motor rotation abnormal CC3 Bin-shift motor rotation abnormal Guide bar swing motor rotation abnormal Stapler-unit swing motor rotation abnormal Automatic adjustment error of bin inside paper sensor CCA Is the fuse blown out? No power being suppliedPress the circuit breaker Replace the fuse Image quality related service call Image quality sensor abnormal OFF level CE2 Image quality sensor no pattern level CE4 Image quality control test pattern abnormal CE5 Temperature/humidity sensor upper-limit abnormal CF1 Color registration control abnormal FC-22 Troubleshooting FC-22 Troubleshooting FC-22 Troubleshooting F11 Communications error between System-CPU and Scanner-CPU FC-22 Troubleshooting Troubleshooting of Image Color deviation Symptoms Few steps at a time Uneven pitch and blur Symptoms FC-22 Troubleshooting FC-22 Troubleshooting Defect of image density, color reproduction and gray balance Background Fogging Moire/lack of sharpness Lack of sharpness Toner offset Feeding direction Vents because they have bad effect on drum Fuser roller pressure defect Check/correct developer sleeve coupling engaging Solid copy Feeding direction White banding in feeding direction directionFeeding Check/correct related circuits Skew slantwise copying Feeding direction LCF Color banding in feeding direction Feeding direction FC-22 Troubleshooting White spots Feeding direaction Cause/Defect area Step Check items Measures Developer unit Poor image transfer Feeding direction Uneven image density Feeding direction Cause/Defect area Image dislocation in feeding direction Feeding direction Image jittering Feeding direction Poor cleaning Feeding direction Oil roller Life ended? Fuser roller Uneven light distribution Feeding direction Blotched image Feeding direction Preparation of PC 3 9 Mode OperationOutline \WEBSHARE\FTPROOT FC-22 Firmware Updating Firmware update operation One of the followings SJP, SEU, SUC, SX SJP Case of 1 Case of #1 #3 Error Message Case of #1 #3 Following screen is displayed after finished Further procedure is the same as normal sequence Following screen will be displayed in 3 9 mode Screen details Press Start Key Case of #1- #3 ’ Press Start Key Error Occurrence Area Power OFF Installation Instructions for Firmware Update through PC System configuration Preparation of PC to use a network FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating Installation of FTP server FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating FC-22 Firmware Updating Wire Harness Connection Diagrams AC Wire Harness DC Wire Harness January 20000 Toshiba TEC