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6. Image Quality Problem: Spots

Spots

Black (color) Spots (1)

Colored spots appear at 189 mm or 40 mm (7.5 inches or 1.6 inches) intervals.

CEZ539

189 mm (7.5 in.)

40 mm (1.6 in.)

Cause:

(a) Colored spots appear at 189 mm (7.5 inches) intervals

The drum is scratched or stained.

(b) Colored spots appear at 40 mm (1.6 inches) intervals

The charge roller is scratched or stained.

Solution:

The solution depends on the interval at which the colored spots appear.

Содержание TCRU/ORU

Страница 1: ...Operating Instructions Troubleshooting TCRU ORU For safe and correct use be sure to read Safety Information before using the machine...

Страница 2: ......

Страница 3: ...C Codes What Are SC Codes 17 If an SC Code Appears 17 3 Specifying and Checking Paper Settings Adjusting Paper Settings 19 Paper Setting Flowchart 19 Improving Fusibility 19 Improving Transferability...

Страница 4: ...even Density 189 mm 7 5 inches Pitch 59 Uneven Density Textured Paper 60 Mottling 64 Uneven Gloss 69 Uneven Gloss Partly 75 Dirtied Printouts 76 Stained Paper Edges 76 Stained Paper Edges 1 76 Stained...

Страница 5: ...h in the Drawer 105 Cleaning the Paper Feed Path in the Wide LCT 126 Cleaning the Paper Feed Path in the Multi Bypass Tray 127 Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer 127...

Страница 6: ...atched Images and Stained Paper Edges 157 10 Improving Throughput Improving Throughput when Continuously Performing Black and White and Color Printing 159 11 Advanced Instructions Operating Procedure...

Страница 7: ...ual contains detailed instructions and notes on the operation and use of this machine For your safety and benefit read this manual carefully before using the machine Keep this manual in a handy place...

Страница 8: ...subject to change without prior notice In no event will the company be liable for direct indirect special incidental or consequential damages as a result of handling or operating the machine Notes Th...

Страница 9: ...0S SX Pro C7210S SX from Production Print Cutsheet 5 Click TCRU ORU Special Menu at the upper right corner of the screen 6 Enter the user name and password as follows User name Enter c7200 Password Sa...

Страница 10: ...8...

Страница 11: ...this manual and troubleshoot accordingly Before you replace any unit To prevent electrical shock turn off the color controller on the machine control panel switch off the main power switch then the AC...

Страница 12: ...representative if any of the machine s internal components require maintenance adjustment or repair Do not attempt to disassemble or modify this machine Doing so risks burns and electric shock 1 2 1 2...

Страница 13: ...r custom paper regardless of whether or not the items are for options Note that any modifications to the option settings do not take effect unless the applicable options are installed on this machine...

Страница 14: ...note of Operating the machine with the changed setting may cause problems such as reduced print quality If the problem persists even though the setting has been changed restore the value noted Operat...

Страница 15: ...g Side 2 is the surface of the paper printed after side 1 has been printed during duplex printing Single sided printing Printed side face down DFP406 A Side 1 B Paper feed direction of Side 1 Duplex p...

Страница 16: ...Printed side face up DFP408 A Side 1 B Paper feed direction of Side 1 Duplex printing Printed side face up DFP409 A Side 1 B Paper feed direction of Side 1 C Side 2 D Paper feed direction of Side 2 1...

Страница 17: ...Directions In this manual with regard to the paper feed direction the vertical and horizontal directions are as shown below 1 2 3 DFP311 1 Paper feed direction 2 Horizontal 3 Vertical Note about Vert...

Страница 18: ...1 Before You Begin 16...

Страница 19: ...e digit number The machine stops and cannot be used when an SC code is displayed If an SC Code Appears 1 Write down the SC number 2 Turn off the main power switch 3 Wait a few moments then turn the ma...

Страница 20: ...2 Troubleshooting Service Call Problems SC Codes 18...

Страница 21: ...nished Has the problem been resolved Proceed to the flowchart Improving Transferability Contact your service represen tative Specify the corresponding settings in Adjustment Settings for Operators and...

Страница 22: ...Clr Sp Heat Roller Temp White S Heat Roller Temp Clr Sp Heat Roller Temp White BW FC FCS Fuser Setting HQ Heat Roller Temp Clr Sp Heat Roller Temp White FCS Fuser Setting HQ Heat Roller Temp Clr Sp H...

Страница 23: ...Clear Special White If the present value is High select Middle If it is Middle select Low 2 Print the image and check toner fusion Has the problem been resolved Yes Finished No Go to the next step 3 I...

Страница 24: ...ly rubbed by a nail The toner does not come off even if it is rubbed by the cloth for cleaning the contact glass Improving Transferability To improve transferability try the following solution Streaks...

Страница 25: ...on Lines Streaks Line streaks thinner than 1mm in width that appear either as a result of contamination or incomplete toner transfer DFP701 Middle classification Lines Streaks A smudge or a white area...

Страница 26: ...ical white streaks Image missing in the shape of streaks in the paper feed direction DFP703 See page 45 Vertical White Streaks 1 Horizontal black color streaks Black color streaks appearing in the dir...

Страница 27: ...streaks appearing in the direction perpendicular to the paper feed direction DFP707 Image scratches Stains in the shape of vertical streaks which seem to result from being scratched by the guide plate...

Страница 28: ...tion Gear eyes Color unevenness in the same interval as the pitch of the gear DFP710 Vertical white bands White bands appearing in the paper feed direction DFP711 See page 47 Banding General Horizonta...

Страница 29: ...ing in the direction perpendicular to the paper feed direction DFP714 Fuzzy lines Blurred images in the shape of slightly winding bands in the paper feed direction DFP715 Roller tracks Stains on the t...

Страница 30: ...t White spots seen in solid image areas or black color spots seen where there should be nothing printed The description white spots excludes those with toner cores DFP757 Small classification Sample i...

Страница 31: ...rred to paper DFP702 White spots with toner cores White spots with pieces of aggregated toner in the center visible in solid color area Pieces of aggregated toner may be irremovable DFP719 Fish shape...

Страница 32: ...Full page Image text does not appear on the printout DFP721 Small classification Sample image Description All black Copied paper is all black DFP721 Blank No image is reproduced DFP722 4 Troubleshooti...

Страница 33: ...uced DFP759 Small classification Sample image Description White zone Part of a solid image or halftone is missing DFP723 Wormholes The outline of a letter or a line is reproduced but the inside of it...

Страница 34: ...6 Positive residual image Previously copied image is reproduced on the same page or the next page DFP727 Offset The same image is repeatedly transferred in the same interval DFP728 Missing image Devel...

Страница 35: ...e density higher than configured DFP730 Low density Image density lower than configured DFP731 Uneven density Image density is uneven within the same page DFP732 See page 59 Uneven Density 189 mm 7 5...

Страница 36: ...inside a dark solid image Check it by looking at the paper from different angles DFP734 See page 69 Uneven Gloss See page 75 Uneven Gloss Partly Color changing During repeated printing the color or t...

Страница 37: ...rlapped DFP737 See page 64 Mottling Earthworm shape White area in a shape similar to an earthworm DFP738 Moire When superimposed regular pattern it is a pattern of striped periodic possible by pixel t...

Страница 38: ...round stains Granular stains are visible in unprinted areas of the paper DFP741 Backside stains Granular stains are visible on the backside of the paper DFP742 Toner scattered Toner scattered around a...

Страница 39: ...per Edges 1 See page 77 Stained Paper Edges 2 See page 77 Stained Paper Edges 4 See page 78 Stained Paper Edges 5 Middle classification Disturbed image Image text are disturbed and do not replicate th...

Страница 40: ...cted abnormally in comparison with the original DFP747 See page 80 Shrunken Image Skew The corners of an image copied from a rectangle original are not square DFP748 See page 81 Image Skew Middle clas...

Страница 41: ...cation Shifted image Registration shift causes the images to appear longer or wider than the original DFP751 Small classification Sample image Description Vertical image shift Images and lines shifted...

Страница 42: ...ift Color shifted in the paper feed direction where colors should be overlaid DFP752 Horizontal color shift Color shifted in the direction perpendicular to the paper feed direction where colors should...

Страница 43: ...tained Solution 1 To identify the affected color print three full page solid fill A3 or DLT sheets for each of white and black and three full page halftone A3 or DLT sheets for each of cyan magenta an...

Страница 44: ...in 60 mm 2 4 in CNT004 Cause A sheet is bent at the entrance to the fusing unit and comes into contact with the edge of the paper delivery tank where static electricity builds up on the sheet through...

Страница 45: ...you have increased the value to 2 5 percentage points contact your service representative Vertical Black color Streaks 2 Extended blurred black color streaks parallel to the paper feed direction appe...

Страница 46: ...aning unit see Replacement Guide After performing the solution it is recommended to perform the color calibration of the external controller Vertical Black color Streaks 3 A streak appears in parallel...

Страница 47: ...o identify white spots on yellow green is used instead of yellow 2 Detach the photoconductor unit of the affected color and check the drum surface Is the surface stained Yes Wipe the photoconductor un...

Страница 48: ...For details about replacing the photoconductor unit see Replacement Guide 5 Image Quality Problem Lines 46...

Страница 49: ...he solution depends on the length of intervals whereby the density fluctuation occurs 1 In the Machine Maintenance group on the Adjustment Settings for Operators menu execute 0501 Execute Process Adju...

Страница 50: ...1 Execute Image Quality Adjustment and execute Adjust Image Density 50 mm 26 mm Development roller s pitch circle In the Machine Image Quality group on the Adjustment Settings for Operators menu selec...

Страница 51: ...roller This may occur if Printing is done at low temperature or humidity Halftone images are printed using black toner Caused by paper transfer bias This may occur if Printing is done at low temperatu...

Страница 52: ...fer bias 1 In Advanced Settings for the custom paper you are using select 1214 Paper Transfer Output and then increase the value in the following corresponding settings by one step BW Side 1 Side 2 FC...

Страница 53: ...or humidity to low temperature or humidity Halftone images are printed Solutions 1 In the Machine Maintenance group on the Adjustment Settings for Operators menu execute 0501 Execute Process Adjustme...

Страница 54: ...of paper in use as a custom paper For details about registering custom papers see Specifying a Custom Paper Preparation Solutions 1 In Advanced Settings for the custom paper you are using select 1212...

Страница 55: ...es intervals CEZ539 189 mm 7 5 in 40 mm 1 6 in Cause a Colored spots appear at 189 mm 7 5 inches intervals The drum is scratched or stained b Colored spots appear at 40 mm 1 6 inches intervals The cha...

Страница 56: ...0 mm Approx 40 mm No Not Certain How long is the regular interval at which the problem occurs Perform a test print 1 a Colored spots appear at 189 mm 7 5 inches intervals DFP549 No No Yes Yes Remove t...

Страница 57: ...amp cloth and then with a dry cloth to remove the moisture Perform a test print 1 Has the problem been resolved Is the surface scratched Replace the charge roller unit Perform a test print 1 Has the p...

Страница 58: ...ter performing the solution it is recommended to perform the color calibration of the external controller Depending on the country of use the paper tray heater may not be supplied Medaka White Spots W...

Страница 59: ...drum surface Is the surface stained Yes Wipe the photoconductor unit surface with a clean dry cloth to remove the stain In the Machine Maintenance group on the Adjustment Settings for Operators menu...

Страница 60: ...6 Image Quality Problem Spots 58...

Страница 61: ...na products on the photoconductor unit absorb moisture to prevent a buildup or removal of static electricity on the photoconductor unit Solution 1 In the Machine Maintenance group on the Adjustment Se...

Страница 62: ...his is because the voltage of the applied paper transfer roller is too low CXM001 Dense printing on an embossed surface This is because the voltage of the applied paper transfer roller is too high CXM...

Страница 63: ...to On 2 Select 1231 Print Speed and then set the following corresponding settings to Low BW FC FCS BW FC FCS FCS Clear Special White S Clear Special White BW FC FCS Fuser Setting HQ BW FC FCS FCS Fuse...

Страница 64: ...hite 2 Print the image Has the problem been resolved Yes Go to next step No Repeat Step 1 to 2 3 Is it dense Yes Contact your service representative No Finished c If printing on an embossed surface is...

Страница 65: ...responding settings BW Side 1 Side 2 FC FCS Side 1 Side 2 FCS Side 1 Side 2 S Side 1 Clear Special Side 1 White Side 2 Clear Special Side 2 White 2 Print the image Has the problem been resolved Yes Fi...

Страница 66: ...g select 1201 Max Image Density and then increase the value for the specified color 2 Print the image Has the problem been resolved Yes Finished No Contact your service representative After performing...

Страница 67: ...rocedures Terminate the sequence as soon as the problem is resolved a Adjust the image density 1 In the Machine Image Quality group on the Adjustment Settings for Operators menu select 0201 Execute Im...

Страница 68: ...g corresponding settings by one step Adjust the value within 10 steps from the current value BW Side 1 Side 2 FC FCS Side 1 Side 2 FCS Side 1 Side 2 S Side 1 Clear Special Side 1 White Side 2 Clear Sp...

Страница 69: ...ng settings to Low BW FC FCS BW FC FCS FCS Clear Special White S Clear Special White BW FC FCS Fuser Setting HQ BW FC FCS FCS Fuser Setting HQ Clear Special White S Fuser Setting HQ Clear Special Whit...

Страница 70: ...urrent value BW Side 1 Side 2 FC FCS Side 1 Side 2 FCS Side 1 Side 2 S Side 1 Clear Special Side 1 White Side 2 Clear Special Side 2 White 13 Print the image Has the problem been resolved Yes Finished...

Страница 71: ...rint the image Has the problem been resolved Yes Finished No Contact your service representative Performing procedure e Adjust maximum image density increases the consumption of toner and it tends to...

Страница 72: ...d A solid image with a high image area ratio is printed To adjust the following settings pre register the type of paper in use as a custom paper For details about registering custom papers see Specify...

Страница 73: ...ct Low BW FC FCS BW FC FCS FCS Clear Special White S Clear Special White BW FC FCS Fuser Setting HQ BW FC FCS FCS Fuser Setting HQ Clear Special White S Fuser Setting HQ Clear Special White 3 Is the s...

Страница 74: ...om paper you are using select 1232 Fusing Temperature and then decrease the value in the following corresponding settings by 20 C BW FC FCS Heat Roller Temp FCS Heat Roller Temp Clr Sp Heat Roller Tem...

Страница 75: ...gs to 5 C BW FC FCS Corct Temp Pre Feed FCS Corct Temp Pre Fd Clr Sp Corct Temp Pre Fd White S Corct Temp Pre Fd Clr Sp Corct Temp Pre Fd White BW FC FCS Fuser Setting HQ Corct Temp Pre Feed FCS Fuser...

Страница 76: ...Setting HQ Heat Roller Temp Clr Sp Heat Roller Temp White 2 Print 10 or more A3 sheets 3 Has the problem been resolved Yes Go to the next step No Repeat Step 1 to 3 4 Is the toner fusibility within th...

Страница 77: ...s stained by the toner wax Solution 1 In the Machine Maintenance group on the Adjustment Settings for Operators menu select 0508 Manually Smooth Fusing Belt 2 Execute Uneven Gloss Short Time 3 Print t...

Страница 78: ...solution in page 19 Improving Fusibility After performing the solution it is recommended to perform the color calibration of the external controller Stained Paper Edges 1 138 mm 5 5 in 138 mm 5 5 in...

Страница 79: ...0 SR5060 are stained Solution For details about cleaning see page 101 Cleaning the Paper Feed Path Stained Paper Edges 4 14 mm 0 5 in 14 mm 0 5 in 66 mm 2 6 in CNT013 Cause The paper transport rollers...

Страница 80: ...printed the paper feed rollers may become stained with toner and the paper edges may in turn be stained by the toner on the paper feed rollers Solutions Clean the paper feed rollers For details about...

Страница 81: ...t registering custom papers see Specifying a Custom Paper Preparation Solution Increase the feed speed of the transfer timing roller 1 In Advanced Settings for the custom paper you are using select 13...

Страница 82: ...feed speed of the transfer timing roller is too high To adjust the following settings pre register the type of paper in use as a custom paper For details about registering custom papers see Specifyin...

Страница 83: ...inished No Keep decreasing the value by 0 1 until the problem is resolved If the problem persists even though you have decreased the value by 1 0 contact your service representative Image Skew DFP437...

Страница 84: ...7 Image Quality Problem Full Page 82...

Страница 85: ...between the side fences is less than the paper width it may interfere with paper transfer and so cause paper misfeeds Adjust the side fences to match the paper width When you close the paper tray the...

Страница 86: ...t be supplied For details contact your service representative When using thick paper or slippery paper Enable the Pickup Assist setting You can specify the Pickup Assist setting for the machine s pape...

Страница 87: ...e separation plate and is caught in the fusing belt resulting in a paper jam This may occur if Printing solid fills Printing is done at high temperature To adjust the following settings pre register t...

Страница 88: ...hite 3 Is the setting set to Middle Yes Proceed to b If Print Speed is set to Middle No Proceed to c If Print Speed is set to Low b If Print Speed is set to Middle 1 In Advanced Settings for the custo...

Страница 89: ...FCS Heat Roller Temp Clr Sp Heat Roller Temp White S Heat Roller Temp Clr Sp Heat Roller Temp White BW FC FCS Fuser Setting HQ Heat Roller Temp FCS Fuser Setting HQ Heat Roller Temp Clr Sp Heat Roller...

Страница 90: ...ng HQ Corct Temp Pre Fd Clr Sp Corct Temp Pre Fd White S Fuser Setting HQ Corct Temp Pre Fd Clr Sp Corct Temp Pre Fd White 4 Print 10 or more A4 sheets 5 Has the problem been resolved Yes Go to the ne...

Страница 91: ...he permissible range Yes Finished No Contact your service representative After performing the solution it is recommended to perform the color calibration of the external controller Check the toner fus...

Страница 92: ...folding of paper with high image density at the folds Attempted booklet folding of a bundle of 15 or more sheets The temperature or humidity is low Solution 1 Press Home at the bottom of the screen in...

Страница 93: ...ing at the registration gate If using paper of Paper Weight 1 to 4 In the Machine Paper Feed Output group on the Adjustment Settings for Operators menu change the value in 0307 Adjust Registration Pap...

Страница 94: ...paper is not ruffled properly Remove the paper ruffle it and reload it For details about ruffling the paper see Fanning the Paper Preparation The edges of the sheets are rough Turn the sheets the othe...

Страница 95: ...s for the custom paper you are using set 118 Paper Feed Mode Adjust Fan Level to Modrate Dble Fd Red Lower 2 If the problem persists set 118 Paper Feed Mode Adjust Fan Level to Max Dble Fd Reduc Lowes...

Страница 96: ...d In the Machine Paper Feed Output group on the Adjustment Settings for Operators menu set 0305 Detect JAM099 to Off Paper of Paper Weight 8 is being used Since super thick paper is of low transparenc...

Страница 97: ...thickness at bumps and dips of embossed paper the machine may wrongly detect double feeding Disable the double feeding detection function If custom paper is used In Advanced Settings for the custom pa...

Страница 98: ...ed 1 In Advanced Settings for the custom paper you are using select 1311 3 Tray LCIT and then set Fan Setting to On 2 Increase the value in Fan Level If custom paper is not used In the Machine Paper F...

Страница 99: ...when the paper feed roller picks up the envelope and cause slippage leading to a misfeed Have you flattened the envelope Flatten the envelope and all its edges to eliminate air before loading If the...

Страница 100: ...iness edge roughness and curl the image may become mispositioned Solution See page 163 Adjusting the Image Position of the Either Side of the Paper Image Scaling Error on the Side 1 of Paper Paper fee...

Страница 101: ...sting the Image Position of the Either Side of the Paper Scratches Streaks or Vertical Creases Appear on the Image Cause The paper feed speed of the exit motor switchback entrance or switchback exit i...

Страница 102: ...epresentative If scratches or streaks appear on the side 1 of the paper You can lessen the problem by increasing the paper feed speed 1 In Advanced Settings for the custom paper you are using adjust t...

Страница 103: ...g Off On the Power Replacement Guide Guide Board Wipe the guide board with a well wrung out damp cloth To clean the innermost recesses use a cloth that is as large as your palm CZC348 Roller Wipe the...

Страница 104: ...C350 Sensor Remove dust with a blower brush CZC347 Antistatic Brush Remove dust with a blower brush CZC351 Cleaning Paper Trays 1 2 1 Remove the paper tray 8 Troubleshooting Paper Delivery Problems 10...

Страница 105: ...or details about detaching and reattaching the parts see the Replacement Guide Cleaning the Paper Feed Path for Paper Trays 1 2 1 Open the front covers 1 2 DFP001 2 Pull down the lever A1 DFP330 Clean...

Страница 106: ...3 Pull up the plate DFP331 4 Clean the rollers sensors and guide boards DFP332 5 Pull down the plate 6 Pull up the lever A1 DFP333 8 Troubleshooting Paper Delivery Problems 104...

Страница 107: ...7 Close the front covers 1 2 DFP002 Cleaning the Paper Feed Path in the Drawer Left drawer unit 1 Open the front covers 1 2 DFP001 2 Pull down the lever C1 1 2 DFP009 Cleaning the Paper Feed Path 105...

Страница 108: ...010 4 Use a dry cloth to clean the transport belt unit To clean the sensor use a blower brush Be careful to avoid the paper transport belt sensor when you do this DFP104 5 Pull up and open the cover D...

Страница 109: ...6 Use a dry cloth to clean the stripper plate on the fusing belt DFP300 7 Clean the sensors DFP301 8 Close the cover D2 9 Pull up and open the cover D3 DXT816 Cleaning the Paper Feed Path 107...

Страница 110: ...10 Turn the knob D7 and clean the rollers DXT817 11 Clean the sensors DXT818 12 Close the cover D3 13 Pull up and open the cover D4 DXT819 8 Troubleshooting Paper Delivery Problems 108...

Страница 111: ...the knob D7 while using a dry cloth on the invert exit rollers DXT820 15 Turn the knob D1 while using a dry cloth on the invert exit rollers DXT821 16 Clean the sensors DXT822 Cleaning the Paper Feed...

Страница 112: ...17 Close the cover D4 DXT823 18 Pull down and open the cover D5 DFP334 19 Turn the knob D1 and clean the roller DFP335 8 Troubleshooting Paper Delivery Problems 110...

Страница 113: ...ean the roller DXT824 21 Clean the sensors DXT825 22 Pull up and close the cover D5 23 Use a hand vacuum cleaner to clean the anti static brush near the exit rollers DFP338 Cleaning the Paper Feed Pat...

Страница 114: ...and pull down duplex transport path plate Z3 DFP339 25 Turn the knob Z1 DFP341 26 Clean the rollers as you rotate the knob and sensors 1 2 3 5 7 8 11 4 6 9 10 DFP340 8 Troubleshooting Paper Delivery P...

Страница 115: ...t removing the fusing unit see Replacement Guide 29 Use a dry cloth to clean the entrance guide plate CEZ194 30 Install the fusing unit For details about installing the fusing unit see Replacement Gui...

Страница 116: ...32 Pull up the lever C1 1 2 DFP012 33 Close the front covers Right drawer unit 1 Open the front covers 1 2 DFP001 2 Pull down the lever B5 1 2 DFP005 8 Troubleshooting Paper Delivery Problems 114...

Страница 117: ...until it stops DFP006 4 Remove the two black screws on the cover plate and then remove the cover plate DXT826 5 Remove a black screw on the dust catcher and then remove the dust catcher DXT827 Cleani...

Страница 118: ...e any dust remaining in the dust catcher CEZ199 7 Turn the knob while using a dry cloth on the transfer timing idle roller DFP345 8 Reattach the dust catcher with the black screw DXT828 8 Troubleshoot...

Страница 119: ...with the two black screws DXT829 10 On the right side of the drawer pull down the lever B1 to release the plates CEZ263 11 Hold the dry cloth against the main relay drive rollers 1 2 1 CEZ265 Cleanin...

Страница 120: ...CEZ266 12 Clean the sensors CEZ267 13 While turning the knob B3 use a dry cloth on the registration entrance idle rollers CEZ270 8 Troubleshooting Paper Delivery Problems 118...

Страница 121: ...right drawer hold a dry cloth against the registration entrance drive rollers while turning the knob B3 CEZ272 15 Clean the sensors CEZ271 16 Open the cover B7 to clean the rollers 1 2 CEZ275 Cleaning...

Страница 122: ...17 Hold a dry cloth between the plates and the rollers to clean the drive rollers as they rotate the knob B3 CEZ276 18 Clean the sensors CEZ277 CEZ280 8 Troubleshooting Paper Delivery Problems 120...

Страница 123: ...ensor bracket and clean the sensors 2 1 CEZ284 20 Reattach the double feed sensor with the black screw CEZ285 21 Turn the knob B4 on the front while using a dry cloth on the registration timing idle r...

Страница 124: ...l up the lever to close the plates CEZ264 23 Use the blower brush on the registration timing sensor CEZ288 24 Use the dry cloth to clean the rollers 1 2 CEZ291 8 Troubleshooting Paper Delivery Problem...

Страница 125: ...25 Turn the knob B6 while using a dry cloth on the transfer timing idle roller CEZ299 CEZ300 26 Use the blower brush on the transfer timing sensor CEZ301 Cleaning the Paper Feed Path 123...

Страница 126: ...ex transport path plate Z4 on the front of the right drawer CEZ302 28 Rotate the knob Z2 CEZ303 29 Clean the rollers as you rotate the knob and sensors 1 4 2 3 6 5 CEZ304 8 Troubleshooting Paper Deliv...

Страница 127: ...e main unit until it stops and then pull up the lever B5 2 1 CEZ122 32 Close the front covers Purged Paper Sensor 1 Open the left front cover 2 If there is any paper in the purge tray remove it 3 Clea...

Страница 128: ...paper feed rollers 3 Clean the guide board of the paper feed unit CEZ503 4 Clean the guide board interior CZC305 5 After cleaning restore the machine so that it resumes operation For details about det...

Страница 129: ...aching the parts see the Replacement Guide Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer Clean the paper feed belt and paper feed rollers in the interposer The procedure is exp...

Страница 130: ...the Paper Path in the Buffer Pass Unit Clean the paper transport rollers and guide plates in the buffer pass unit 1 Pull out the buffer pass unit and open the guide plates CNT016 2 Wipe the rubber ro...

Страница 131: ...ates especially the ridgelines of the bends and the cut and bent portions with a cloth moistened with alcohol CNT018 4 Close the guide plates and push the buffer pass unit back into the machine Cleani...

Страница 132: ...8 Troubleshooting Paper Delivery Problems 130...

Страница 133: ...elect 0304 Correct Output Paper Curl and adjust the degree of decurling To correct curls facing up specify Curl Correction Level To correct curls facing down specify Curl Correction Level Select Stron...

Страница 134: ...to paper friction is very high a sheet may push against another or paper deflection may occur This may occur if B4 81 2 14 or larger size of paper is used Paper that produces high paper to paper fric...

Страница 135: ...There is airflow in the room Minimize the airflow For instance turn the air conditioner off Sheets are curled upward If the decurler unit is used In the Machine Paper Feed Output group on the Adjustme...

Страница 136: ...the present value is Small If the decurler unit is not used Load the sheets the other way up Coated paper is being used In the Finishing Finisher group on the Adjustment Settings for Operators menu se...

Страница 137: ...o Curl Correction Level Select Large or Small to control the level of decurling as required 4 Print the image Has the problem been resolved Yes Finished No Contact your service representative Sheets C...

Страница 138: ...ative If the number of sheets to be stapled is reduced paper alignment will take longer compromising the machine s throughput Misfeeding of Sheets Other Than the Cover Has Occurred Cause Misfeeding of...

Страница 139: ...anti static brush This may occur if The decurler unit is attached Paper needs to be curled backward Sheets are delivered with their printed side facing up in the post processing machine Solution 1 In...

Страница 140: ...ti sheet Fold 0704 Letter Fold in Position 1 Multi sheet Fold 0705 Letter Fold in Position 2 Multi sheet Fold For single sheet folding change the folding position using the following settings in the A...

Страница 141: ...are different For example in the following illustration the dimensional difference between the top L2 2 and bottom L2 1 edges is a deviation Folding deviation sample of L2 for Z fold L2 L2 Paper feed...

Страница 142: ...ew hole CEZ599 L2 Adjusting screw Mounting screw Adjusting screw hole CEZ600 L3 Adjusting screw Mounting screw Adjusting screw hole CEZ601 The screws adjust the folding deviations of the following par...

Страница 143: ...Z fold L2 L3 Paper feed direction CEZ532 Half Fold L1 Paper feed direction CEZ533 Letter Fold in L2 L1 Paper feed direction CEZ535 Multi Folding Unit 141...

Страница 144: ...1 Paper feed direction CEZ537 The mark indicates the leading edge relative to the paper feed direction and the mark indicates the trailing edge How to adjust the folding deviation This procedure is th...

Страница 145: ...crew If the mounting screw is attached to the adjusting screw hole fasten it 5 Close the front cover of the multi folding unit For multi sheet folding the folding deviation that appears in the center...

Страница 146: ...in the center of paper Solution Clean the blade 1 Open the front cover of the multi folding unit 2 Pull the multi folding unit out CEZ511 3 Turn the N11 knob counterclockwise until the blade appears T...

Страница 147: ...folding and print 3 5 copies The paper stain will disappear Z Folding is Not Performed Properly Cause If a sheet is curled and its edge touches the guide board proper folding may not be possible This...

Страница 148: ...problem been resolved Yes Finished No Contact your service representative This folding error will not occur if uncurled paper is used or sheets that curl downward Folded Sheets Are Not Stacked Proper...

Страница 149: ...the angle of stacked bundles and prevent bundles flipping over as they are delivered DFP351 For details about using the Z fold support tray for multi folding unit see Preparation supplied with the ma...

Страница 150: ...you inadvertently do this connect the ring binder s binding unit again close the door and then turn the power off and back on to restore normal operation SC756 48 Appears Cause This may occur if the m...

Страница 151: ...mbient temperature 1 In the Machine Paper Feed Output group on the Adjustment Settings for Operators menu change the value in 0311 Buffer Pass Unit Fan Activation Setting Depending on the setting bloc...

Страница 152: ...A4 or larger coated paper weighing up to 135 g m2 50 lb Cover is used How the problem occurs 1 Downward curled paper is delivered to the stacker tray Paper feed direction Stacker shift tray Paper exi...

Страница 153: ...sheets the other way up 2 Print the image Has the problem been resolved Yes Finished No Go to the next step To follow the steps below attach the decurler unit 3 In the Machine Paper Feed Output group...

Страница 154: ...he protruding leading edge This may occur if Thick 280 g m2 105 lb Cover or heavier uncurled A3 or larger paper is used How the problem occurs 1 An uncurled sheet is delivered to the stacker shift tra...

Страница 155: ...per exit Paddle CEZ580 Solution Curl the sheet upward To do this the decurler unit must be attached 1 In the Machine Paper Feed Output group on the Adjustment Settings for Operators menu set 0304 Corr...

Страница 156: ...of sheets that can be stacked on it This may occur if paper with a width of 191 261 mm 7 6 10 4 inches is being used Solution Paper with a width of 191 261 mm 7 6 10 4 inches is being used 1 Load the...

Страница 157: ...he next step 9 Set 0304 Correct Output Paper Curl to Curl Correction Level Small 10 Print the image Has the problem been resolved Yes Finished No Go to the next step 11 Set 0304 Correct Output Paper C...

Страница 158: ...iently Cause The screws on the handle of the paper cart and the bolts at its bottom are loose Solution Tighten the screws on the handle and the bolts at the bottom of the paper cart 9 Post Processing...

Страница 159: ...ause images to be scratched and paper edges to be stained This may occur if Paper with a thickness equivalent to Paper Weight 7 is used Paper with its grain parallel to the paper feed direction is use...

Страница 160: ...9 Post Processing Option Troubleshooting 158...

Страница 161: ...e the amount of sheets for your operating environment Value Behavior 1 Minimum When black and white printing is performed after full color printing full color mode switches to black and white mode aft...

Страница 162: ...e cyan magenta and yellow development units are used for black and white printing so that the Photoconductor unit needs to be replaced in a shorter period of time If black and white printing is perfor...

Страница 163: ...djustment and execute Adjust Image Density 2 When the color density adjustment is completed press Exit 3 Press Exit 4 Press Home at the bottom of the screen in the center 5 Press the User Tools icon 6...

Страница 164: ...int If using the automated inline sensor Select the Automated inline sensor and then check that Calibration is selected in the Patch set list If using the optional ES 2000 Select EFI ES 2000 4 Configu...

Страница 165: ...horizontal magnification of all types of paper other than custom paper Therefore it is recommended to pre register the type of paper in use as a custom paper a Adjust the image skew Adjust the vertic...

Страница 166: ...170 Aligning the Image Position on Side 2 to That on Side 1 Using a Template to Align the Image Position on Side 1 and 2 b Adjust the image position If custom paper is used Adjust the vertical and ho...

Страница 167: ...in Across Feed of Image Magnification Side 1 Press to increase the scaling and to reduce it If it is difficult to check and adjust the image position on the printed sheet print one side of the format...

Страница 168: ...de 1 0104 Image Position With Feed Side 2 For details about specifying settings in the Adjustment Settings for Operators menu and Advanced Settings menu see the Adjustment Item Menu Guide If the probl...

Страница 169: ...t the vertical skew of the image Default CEZ026 Paper feed direction 1 Print the image in black and white 2 Check the direction of the skew 3 In the Machine Image Position group on the Adjustment Sett...

Страница 170: ...the custom paper you are using select 1101 Image Position and adjust the image position Across Feed of Image Position Side 2 With Feed of Image Position Side 2 For details about specifying settings i...

Страница 171: ...nd 2 d Adjust the magnification With feed direction Adjust the vertical magnification to adjust the length position of C of the image C DFP321 In Advanced Settings for the custom paper you are using s...

Страница 172: ...aximum and minimum values contact your service representative If it is difficult to check and adjust the image position on the printed sheet print one side of the format used in page 170 Aligning the...

Страница 173: ...size of the paper requiring image position adjustment To adjust the following settings pre register the type of paper in use as a custom paper For details about registering custom papers see Specifyi...

Страница 174: ...en the top of each arrow 3 Write the measured value within the framework of the format In total including both sides of the sheet measure the position of 16 parts Depending on the paper size when you...

Страница 175: ...n the front and back of the paper When using thin paper check for misregistration by seeing through the paper When using thick paper or paper that cannot be seen through pierce the paper with a tool s...

Страница 176: ...er preset select 1101 Image Position and then adjust the following settings to match the image position on Side 1 Across Feed of Image Position Side 2 With Feed of Image Position Side 2 Across Feed of...

Страница 177: ...ustom paper you are using select 1101 Image Position and adjust the value in With Feed of Image Position Side 2 Press to shift the image to the left trailing edge Press to shift the image to the right...

Страница 178: ...Magnification Side 2 Press to increase the scaling Press to reduce the scaling The adjustment value is applied evenly both upward and downward To feed A3 paper with its short side parallel to the pape...

Страница 179: ...ations on the front and back of the paper Check for misregistrations on the front and back of the paper when Using paper of a different lot means of acquisition or storage condition Changing an advanc...

Страница 180: ...cur between the envelope nip width at the default setting and the actual operation resulting in a fusing error To adjust the following settings pre register the type of paper in use as a custom paper...

Страница 181: ...3 Print 10 or more sheet 4 Is the toner fusibility within the permissible range Yes Finished No Go to next step 5 Select 1241 Fusing Nip Width Adjustment and then increase the value in Envelope by 25...

Страница 182: ...r does not come off even if it is lightly rubbed by a nail The toner does not come off even if it is rubbed by the cloth for cleaning the contact glass 11 Advanced Instructions 180 EN GB EN US EN AU D...

Страница 183: ......

Страница 184: ...EN GB EN US EN AU D0AK 7433 2018...

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