FS-C8026N Service Manual - kyocera

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2BF <strong>Service</strong> items >>Print Test Page 1 Test Page 1 Description Description Printing a test page that has four colors printed on a sheet. Purpose To check the activation of the process units. Start Enter the service mode (>>Printing Test Page 1). Press the ENTER key twice. The test page is printed. Completion Cyan Magenta Yellow Black Figure 1-4-3 Test Page 1 >>Print Test Page 2 Test Page 2 Description Prints four sheets in individual colors. Purpose To check the activation of the process units. Start Enter the service mode (>>Printing Test Page 2). Press the ENTER key twice. Four test pages are printed. Completion Cyan Magenta Yellow Black Figure 1-4-4 Test Page 2 1-4-8
2BF <strong>Service</strong> items >>High Density Mode 01 Adjusting the high density mode Description Description During continuous printing of data with a high print ratio, such as pages that have great deal of heavy or solid images, etc., the printing density may eventually decline. It is possible to prevent such a drop in the printing density by changing the setting for the high density mode. However, if continuous printing is performed while a higher setting is designated for the high density mode, the printing speed will be lowered. Purpose Performed so that printing can be accomplished in accordance with the image data in order to limit the reduction in the image density. Start Enter the service mode (>>High Density Mode). Press the [ENTER] key. "?" will blink. Press the [/] key and select the desired mode (from 01 to 03). 01 This is the standard (default) setting. At a print ratio of less than 30%, the printing speed for A4 size paper will be 26 sheets/minute. 02 Priority is given to the printing speed. A balance is struck between the printing speed and the image density of the most concentrated printing area, and there is minimal printing speed lost due to the print ratio. 03 Priority is given to the printing density. Depending upon the print ratio, the printing speed may be slower than with the mode [02] setting. Press the [ENTER] key. The new value is set. Completion Note The print ratio refers to the percentage of the total area that each toner color uses on an A4 size piece of paper. A4 size paper Band print pattern example Band width Band width (mm) Print ratio (%) 60 20 89 30 148 50 (reference) A3 size paper, fullpage 200 solid color Even though illustrations (1) and (2) indicate the same printing ratio, it is more difficult to experience a reduction in the image density with example (2), where the image pattern is divided. This is because the area to be printed (developed) is not concentrated in one area and involves a greater portion of the full surface along the length of the developing roller. 1 2 :Paper feed direction Even though illustrations (3) and (4), it is more difficult to experience a reduction in the image density with example (4), where the image pattern is wider in the direction of the paper feed. Thus, though the image pattern is the same as in (3), it is also more difficult to experience a reduction in the image density in the case of illustration (5), where the image pattern is wider in the direction of the paper feed. 3 4 5 1-4-9
Page 1 and 2: FS-C8026N SERVICE MANUAL Published
Page 3 and 4: Safety precautions This booklet pro
Page 5 and 6: 1.Installation Precautions WARNING
Page 7 and 8: • Do not remove the ozone filter,
Page 9 and 10: 2BF-5 CONTENTS 1-1 Specifications 1
Page 11 and 12: 2BF-5 Specifications 1-1-1 Specific
Page 13 and 14: 2BF-5 1-1-2 Parts names (1) Printer
Page 15 and 16: 2BF 1-1-3 Cross section view 22 18
Page 17 and 18: 2BF-5 Handling Precautions 1-2-1 Dr
Page 19 and 20: 2BF Installation 1-3-1 Unpacking an
Page 21 and 22: 2BF-5 Installing the process units
Page 23 and 24: 2BF-5 Installing the toner containe
Page 25 and 26: 2BF-5 Securing the fuser press scre
Page 27 and 28: 2BF-5 Connecting the cable. 1. Conn
Page 29 and 30: 2BF 1-3-3 Installing a memory card
Page 31 and 32: 2BF-5 1-3-5 Installing the hard dis
Page 33 and 34: 2BF 7. Remove the connectors for pr
Page 35 and 36: 2BF Maintenance Mode 1-4-1 Service
Page 37 and 38: 2BF-3 Service items Description Ser
Page 39 and 40: 2BF-5 Service items Description Ite
Page 41: 2BF Service items >>Print Event Log
Page 45 and 46: 2BF-5 Service items >>Maintenance [
Page 47 and 48: 2BF-5 Continue from the previous pa
Page 49 and 50: 2BF-5 U No. U031 Description Checki
Page 51 and 52: 2BF-5 U No. U033 Description Checki
Page 53 and 54: 2BF U No. U037 Description Checking
Page 55 and 56: 2BF-5 U No. U052 Adjusting the dupl
Page 57 and 58: 2BF-5 U No. U053 (continue) U100 4.
Page 59 and 60: 2BF-5 U No. U101 (continue) Descrip
Page 63 and 64: 2BF-5 U No. U131 Adjusting toner se
Page 65 and 66: 2BF-5 U No. U147 Description Settin
Page 69 and 70: 2BF-5 U No. U208 Setting paper feed
Page 71 and 72: 2BF-5 U No. U248 3. Press the [ENTE
Page 73 and 74: 2BF U No. U410 (continue) Descripti
Page 75 and 76: 2BF-3 U No. U464 Setting the image
Page 77 and 78: 2BF-5 U No. U467 Setting color regi
Page 79 and 80: 2BF-5 Troubleshooting 1-5-1 Paper m
Page 81 and 82: 2BF-2 1-5-2 Self-diagnosis (1) Self
Page 83 and 84: 2BF Code Contents 0310 LPH drive PW
Page 85 and 86: 2BF Code Contents 1110 Cassette lif
Page 87 and 88: 2BF-3 Code Contents 2202 Drum motor
Page 89 and 90: 2BF Code Contents 6000 Upper fuser
Page 91 and 92: 2BF Code Contents 6050 Upper fuser
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2BF Code Contents 6150 Lower fuser
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2BF Code Contents 7301 Toner hopper
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2BF Code Contents 8040 Optional doc
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2BF-4 Code Contents Causes Remarks
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2BF-4 Problem Causes Check procedur
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2BF-3 (1) No image appears (entirel
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2BF-3 (4) Image is too light. Cause
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2BF-5 (6) A white line appears long
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2BF (9) Black dots appear on the im
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2BF-5 (14)Fuser is poor. Causes 1.
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2BF-4 Assembly and Disassembly 1-6-
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2BF-5 5. Push the lever and remove
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2BF (2) Detaching and refitting the
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2BF-5 1-6-3 Primary paper feed unit
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2BF 1-6-4 MP tray feed unit (1) Det
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2BF-5 If the unusual noise occurs f
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2BF-5 1-6-6 Process section (1) Det
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2BF-5 1-6-7 Fuser unit (1) Detachin
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2BF 5. Remove the upper fuser cover
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2BF 13. Remove one screw and then r
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2BF 19. Remove the upper fuser fram
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2BF 1-6-8 PWBs (1) Detaching and re
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2BF 1-6-9 Others (1) Detaching and
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2BF 17. Remove the two spring and L
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2BF 6. Remove the front and rear to
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2BF-5 Mechanical construction 2-1-1
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2BF-5 (2) MP tray feed unit and pap
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2BF 2-1-2 Process section The proce
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2BF (2) Main charger unit The main
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2BF Main controller PWB Engine cont
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2BF Transfer roller Y Transfer roll
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2BF A full color image is developed
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2BF-3 Power supply PWB Fuser unit Y
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3 2 1 3 2 1 2BF Face-down tray pape
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2BF Electrical Parts Layout 2-2-1 E
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2BF-3 (2) Main rear 23 20 21 6 15 1
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2BF-5 (3) Main right and primary pa
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2BF (5) Process unit and fuser unit
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2BF Operation of the PWBs 2-3-1 Pow
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2BF Connector Pin No. Signal I/O Vo
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2BF-3 Connector Pin No. Signal I/O
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2BF-5 Appendixes 2-4-1 Appendixes (
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2BF (3) Timing chart No.3 Cassette
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2BF (5) Timing chart No.5 MP tray p
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2BF-4 (7) Timing chart No.7 Paper f
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2BF-5 (9) Maintenance kits Maintena
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MEMO
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FS-C8026N Service Manual - kyocera

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