Poor image transfer Feeding direction | Toshiba FC-22 guide

(17) Poor image transfer

Feeding direction

Cause/Defect area	Step	Check items	Measures
Transfer belt	1	Transfer belt dirty?	Clean it.
	2	Transfer belt in defective contact with	Adjust contact.
		drum?
	3	Any deformation or abnormalities on trans-	Replace belt.
		fer belt?
Paper	4	Paper in cassette or LCF curled?	Reinsert paper with reverse side up or change pa-
			per.
	5	Paper in cassette or LCF damp?	Change paper.
			* Avoid storing paper in damp place.
Registration roller	6	Registration roller malfunctioning?	Clean roller, re-mount spring, or replace defective
			clutch-related parts.
			Readjust roller speed.
High-voltage transformer	7	High-voltage transformer output defective?	Check circuit and adjust transformer output.
(transfer roller)

January 2000 © TOSHIBA TEC

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FC-22 TROUBLESHOOTING

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Toshiba FC-22 manual Poor image transfer Feeding direction

Contents

Main Service Parts for Safety Service of Machines Der Lithium-Batterie nach Angaben des Herstellers Disposition of Consumable Parts/Packing MaterialsVorsicht Entsorgung des gebrauchten RAM-ICs inklusive Adjustment Items Preventive Maintenance PM Contents Firmware Updating Troubleshooting Based on Error Code Appendix Restart time out error Error Code List Original not reaching the exit sensor Scanner related service callOriginal jam in the ADF Original not reaching the aligning sensor C3F Error of paper exit sensor automatic adjustment ADF related service callError of aligning sensor automatic adjustment Eeprom initializing error Guide bar swing motor rotation abnormal Automatic adjustment error of bin inside paper sensorTransport motor rotation abnormal Bin shift motor rotation abnormal F11 Unused 99 08 26 17 57 236210000000 Error code 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 Full COLORkey ON, Auto COLORkey OFF, Energy SAVERkey OFF Operation procedure Output check Test mode ON/OFF SCM fan motor rotation speed Low/High Carriage fan motor rotation when standby low speed ON/OFFCarriage fan motor rotation when running high speed ON/OFF Document motor indicator 1 reciprocating Operation procedure Group Pixel modulation pattern 2 for selecting pulse width Test print modePixel modulation pattern for creating γ table Pixel modulation pattern 1 for selecting pulse width Adjustment mode Group ~255 OHP mode318 Full color 390 Fine adjustment of fuser motor rotation speedFine adjustment of drum motor rotation speed Fine adjustment of feed motor rotation speed Right margin Thick paper 2 modeThick paper 3 mode Color registration sensor error Or 16 or above Normal Modulation mode switching, type B Write start position adjust 2nd cassetteDefault 9 68 msec Modulation mode switching, type a Monitor patch output ON/OFF switching Density adjustment density curve selectionColor mode black text γ curve set selection Monochrome mode black text γ curve set Manual density Full color Text/Photo Fine adjustment TextCenter setting Printed image Darker setting Printed image Lighter Lighter setting Printed imageSity fine adjust Text Made at the light side become For ID Full color non-text area C Total hue adjustmentFor ID Full color non-text area Y For ID Full color non-text area M Adjustment Total luminance adjustmentTotal saturation adjustment Tend to be judged as color Auto-color mode Adjustment Map AI mode setting Time-out settingMacro recognition Pre-process text threshold Adjustment Macro recognition Pre-process shading Threshold adjustment Micro recognition Logo text inside threshold Micro recognition Text emphasis adjustmentWhen the value increases, the im Default is equivalent to Fixed black ratio adjustment, type D Fixed black ratio adjustment, type aFixed black ratio adjustment, type B Fixed black ratio adjustment, type C Color balance Color mode, black text γ adjustmentMonochrome mode, black text γ adjustment ~255 Mode become denser Photo Low density Color balance Text/Photo Low densityHigh density Text Low density Output value indica When the light source Power Cancel Clear Procedure Group Energy Saver Start Following items can be set or changed in this mode Setting mode Original Timer for Print job start up time Set number SecondsIs disabled All clearing by key copy counter Disabled 1Enabled Removal Radf 269 Image quality control auto-start Paper source priority A4/LT When 1 is set, a paper source becomesDisabled Enabled Start count setting of developer Secondary scanning 100% 1 101% Reproduction ratio adjustment Invalid Other than Radf priority mode Continuous feeding by Start keyFunction clearing immediately Invalid 1 Valid After copying Image repeat gap All clearing of γ correction Table adjustment results Power shutoff Low powerAll clearing of image processing Adjustment values All clearing of pulse width Selection adjustment results Black print counter Copier Refer to Counter function and maintenance chacke listFull-color print counter Copier Display of counter value Code 08-802 is Reflected Radf original counter Drum C life counter display/0 Refer to Counter function and maintenance check list Invalid Valid 906Does not start 1 Starts Available during MFP System mode display Registering/changing ID codes Procedure for registering ID codes Correcting ID code Adjustment Order Copy Image Related Adjustment 100% AA3 Automatic Adjustment of the Auto-Toner Circuit Wait Remove the developer cartridges Install the toner cartridges Replace EPU Replace disabled parts03-113 ON, 03-163 OFF Check if the developer cartridge gears rotate properly Automatic Initialization of Image Quality Control Copy Image Dimensional Adjustment XXX 449 Which occurs when the paper scrapes onLong size 439 441 443 445 Short size 440 442 444 446 447 448 Feed motor speed adjustment Printer related adjustment FC-22 Adjustment Grid pattern Step Scanner related adjustment Application area Carriage frame Mirror Application Method of the Adhesive for Screw Locking Image skewing adjustment FC-22 Adjustment LCF FC-22 Adjustment Adjustment order Chart TCC-1 Toshiba Color Chart Input 2 with digital keys, and press Start and then Inter Place the Patch chart for gamma adjustment produced in stepShown. Press Start to have the adjustment results reflected Transfer belt FC-22 Adjustment Full Dark step value Dark side becomes 570 571 Remarks550 551 Manual-density 255 Copy mode Item to bePhoto Map Remarks Adjusted Acceptable values 0 to Background Background becomes Copy mode Item to be adjusted RemarksColor 698 699 702 Offset value for Judgment Threshold for ACS AI Mode Setting AI photo area Smaller the value, the less moire tends to Code Color mode Copy mode ContentAI photo area Have to make adjustment by compromising AI text area Image becomes Settings after replacing main high-voltage transformers High-Voltage Transformer SettingsOverview Settings after replacing transfer transformer Adjusting Doctor-to-Sleeve Gap Adjusting the Carriages Adjusting the Scanner Section 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 Types of Preventive Maintenance Preventive Maintenance PM Symbols used in the checklist For FC-22 Preventive Maintenance ChecklistSymbols used in the checklist For FC-15 General Maintenance Checklist FC-22 TBU Original glass Z60or a Platen cover Mirror Color Maintenance Checklist FC-22 General Maintenance Checklist FC-15 Image quality sensor’s area Z40 Color Maintenance Checklist FC-15 Front sectional view 53 52 51 54 56 57 Processing unit EPU Front-side drive system Such as screws on the table Developer material FC-22 Preventive Maintenance SR-FC22H PM Kit 20K kit Page Test chart No. TCC-1 List of Adjustment ToolsScanner carriage jig Checking and Cleaning of the Photoconductive Drum Precautions for Storing Toshiba Supplies FC-22 Supplies Checking and Cleaning of the Fuser Rollers Checking and Replacing the Transfer Roller Checking and Replacing the Transfer Belt Disconnected? Troubleshooting Based on Error CodeReconnect the connector. Replace the harness Is the fuser motor rotating? E03 Paper remaining inside the copier at power on E12 Paper misfeed from the bypass Paper feeding jam E11 Paper misfeed from the ADU E19 Paper misfeed from the LCF Replace the cassette-feed jam sensor Replace the LGC board Reconnect the connector. Replace the harness Is the side door open? Cover open jam E41 Front cover opened during copyingClose the front cover or the paper exit unit E42 Side door opened during copying E43 ADU unit pulled out during copying E45 LCF jam access cover opened during copyingIs the LCF jam access cover open? Close the LCF jam access cover Is the bypass unit open? E46 Bypass unit opened during copyingClose the bypass unit E52 Paper not reaching the ADU path sensor Have too many originals been placed? Original stops, skewed on the original glass Original does not reach the aligning roller Paper transport stop jam Paper jam in the sorter EA1 Paper transport delay jam EA4 Sorter front door opened during copying Paper remaining on the sorter transport path at power onIs the stapler unit cover securely closed? Staple jam EA5 EC3 OHP sheet used in non-OHP mode Is the ADU motor rotating properly? Is the black developer motor rotating properly? C09 Black developer motor rotation abnormal Is the color developer motor rotating properly? C0A Color developer motor rotation abnormal Drum motor Y rotation abnormal Drum motor K rotation abnormalDrum motor C rotation abnormal Drum motor M rotation abnormal C12 ADU paper end guide function abnormal Put the belt on properly Replace the gear C18 LCF tray function abnormal Do the switches and sensors in the LCF unit function? C28 C29 Exposure lamp disconnection detected Is used toner jammed? Is any abnormal mechanical load found? Replace the harness. Reconnect the connectors C35 Transfer belt unit contact/release function abnormal C33 Developer removal shutter function abnormal C37 Transfer belt motor rotation abnormal Replace the auto toner sensor Replace the LGC board C38 C39 Securely Reinstall the main chargerReconnect the wire cleaner home position switch Reconnect the wire cleaner limit switch C42 Thermistor abnormal after the copier becomes ready FC-22 Troubleshooting Error C7 C48 Heater abnormal high temperatureC41 FC-22 Troubleshooting FC-22 Troubleshooting FC-22 Troubleshooting C74 Error of exit sensor automatic adjustment C73 Eeprom initializing error C9E IMC board connection abnormal Other service calls C94 Main-CPU abnormalObserve the condition for a while C9A Main memory abnormal Replace the laser optical unit Is the polygonal motor rotating? CA2 H-SYNC abnormal Transport motor rotation abnormal Sorter related service call Bin-shift motor rotation abnormal CC3 Stapler-unit swing motor rotation abnormal Guide bar swing motor rotation abnormal CCA Automatic adjustment error of bin inside paper sensor Replace the fuse No power being suppliedPress the circuit breaker Is the fuse blown out? Image quality sensor abnormal OFF level Image quality related service call Image quality sensor no pattern level CE2 CE4 Image quality control test pattern abnormal CF1 Color registration control abnormal CE5 Temperature/humidity sensor upper-limit abnormal FC-22 Troubleshooting FC-22 Troubleshooting FC-22 Troubleshooting F11 Communications error between System-CPU and Scanner-CPU FC-22 Troubleshooting Color deviation Symptoms Troubleshooting of Image 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 Lack of sharpness Moire/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 LCF Skew slantwise copying Feeding direction Color banding in feeding direction Feeding direction FC-22 Troubleshooting Cause/Defect area Step Check items Measures Developer unit White spots Feeding direaction Poor image transfer Feeding direction Uneven image density Feeding direction Cause/Defect area Image dislocation in feeding direction Feeding direction Image jittering Feeding direction Oil roller Life ended? Fuser roller Poor cleaning Feeding direction Uneven light distribution Feeding direction Blotched image Feeding direction Outline 3 9 Mode OperationPreparation of PC \WEBSHARE\FTPROOT FC-22 Firmware Updating Firmware update operation One of the followings SJP, SEU, SUC, SX SJP Case of #1 #3 Case of 1 Case of #1 #3 Following screen is displayed after finished Error Message Further procedure is the same as normal sequence Screen details Following screen will be displayed in 3 9 mode Press Start Key ’ Press Start Key Case of #1- #3 Error Occurrence Area Power OFF System configuration Installation Instructions for Firmware Update through PC 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 AC Wire Harness Wire Harness Connection Diagrams DC Wire Harness January 20000 Toshiba TEC