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3NV

1-4-5

1-4-3 Electrical problems

Troubleshooting to each failure must be made in the order of the numbered symptoms.

Problem

Causes

Check procedures / corrective measures

(1)
The LED lamp
does not turn on
when an original is
present on the DP.

1. Defective connector

cable or poor con-
tact in the connector.

Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP original sensor and DP main PWB (YC4_A)
DP LED PWB and DP main PWB (YC4_B)

2. Defective sensor.

Replace the DP original sensor.

3. Defective PWB.

Replace the DP LED PWB or DP main PWB and check for
correct operation.

(2)
The size of the
original on the DP
is not displayed
correctly.

1. Defective connector

cable or poor con-
tact in the connector.

Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP original width switch and DP main PWB (YC2)
DP original length switch and DP main PWB (YC2)

2. Defective switch.

Replace the DP original width switch or DP original length
switch.

3. Defective PWB.

Replace the DP main PWB and check for correct operation.

(3)
DP feed motor
does not operate.

1. Defective connector

cable or poor con-
tact in the connector.

Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP feed motor and DP main PWB (YC5)

2. Defective drive trans-

mission system.

Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.

3. Defective motor.

Replace the DP feed motor.

4. Defective PWB.

Replace the DP main PWB and check for correct operation.

(4)
DP conveying
motor does not
operate.

1. Defective connector

cable or poor con-
tact in the connector.

Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP conveying motor and DP main PWB (YC14)

2. Defective drive trans-

mission system.

Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.

3. Defective motor.

Replace the DP conveying motor.

4. Defective PWB.

Replace the DP main PWB and check for correct operation.

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Содержание DP 770

Страница 1: ...Service Manual Document Processor D3 Rev 0 Date 0 201 3NVSM06 ...

Страница 2: ...Service Manual Document Processor D3 Rev 0 Date 0 201 3NVSM06 ...

Страница 3: ...ficials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LES INSTRUCTIONS DONNEES Il peut être illégal de jeter les batteries dans des eaux d égout municipales Vérifiez avec les fonctionnaires municipaux de votre région pour les détails concernant des déchet...

Страница 4: ...Revision Date Replaced pages Remarks 1 6 April 2011 Safety precautions 1 3 45 1 6 1 2 1 2 2 1 6 2 4 4 2 4 June 2012 1 3 1 1 3 2 13 10 to 16 1 3 18 1 3 19 1 3 21 to 29 1 3 32 to 39 1 3 41 to 44 1 4 3 1 4 4 2 4 1 Address ...

Страница 5: ...This page is intentionally left blank ...

Страница 6: ...rsonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities ...

Страница 7: ... this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect com pliance with warning messages using this symbol Symbols The triangle symbol indicates a warning including danger and caution The specific point of attention is shown inside the symbol General warning Warning of risk of electric shock Warning of high temperature indicates a prohibited...

Страница 8: ...d or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Always handle the machine by the correct ...

Страница 9: ... carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it is dirty clean it to remove the risk of fire or electric shock Never attempt to disassemble the optical unit in machines using lasers Leaking laser light may damage eyesight Handle the charger section...

Страница 10: ... caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by following the instructions below Use only a small amount of solvent at a time being careful not to spill Wipe spills off completely Ventilate the room well while using grease or solvents Allow applied solve...

Страница 11: ...This page is intentionally left blank ...

Страница 12: ...agnostic function 1 4 3 2 Self diagnostic codes 1 4 3 1 4 3 Electrical problems 1 4 5 1 4 4 Mechanical problems 1 4 8 1 5 Assembly and Disassembly 1 5 1 Precautions for assembly and disassembly 1 5 1 1 Precautions 1 5 1 1 5 2 Assembly and disassembly 1 5 2 1 Detaching and refitting the DP original feed belt and DP forwarding pulley 1 5 2 2 Detaching and refitting the DP separation pulley 1 5 5 1 5...

Страница 13: ... 2 2 1 1 PWBs 2 2 1 2 Switches and sensors 2 2 2 3 Motors 2 2 3 4 Others 2 2 4 2 3 Operation of the PWBs 2 3 1 DP main PWB 2 3 1 2 4 Appendixes 2 4 1 Appendixes 2 4 1 1 List of maintenance parts 2 4 1 2 Periodic maintenance procedures 2 4 2 3 Wiring diagram 2 4 4 ...

Страница 14: ...l types Sheet originals Original sizes Maximum A3 Ledger Minimum A5R StatementR Original weights Simplex 45 to 160 g m2 Duplex 50 to 120 g m2 Loading capacity 100 sheets 50 to 80 g m2 or less Mixed original sizes auto selection 30sheets 50 to 80 g m2 maximum Power source Electrically connected to the machine Dimensions W D H 577 534 180 mm 22 3 4 21 7 1 16 Weight 14 5 kg 32 lb or less ...

Страница 15: ...NV 1 1 2 1 1 2 Parts names Figure 1 1 1 5 7 1 4 3 6 2 2 1 Original tray 2 Original width guides 3 Original eject table 4 Original stopper 5 DP top cover 6 DP switchback tray 7 Cleaning cloth compartment ...

Страница 16: ...3NV 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section 3 1 2 Original Path 1 Original feed section 2 Original conveying section 3 Original switchback eject section ...

Страница 17: ...3NV 1 1 4 This page is intentionally left blank ...

Страница 18: ...humidity or low temperature and low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations Choose a surface capable of supporting the weight of the machine Place the machine on a level surface maximum allowance inclination 1 Avoid air borne substances that may adversely affect the machine or degrade the photoconductor such ...

Страница 19: ...essor 2 Plastic sheet 3 Inner frame 4 Outer case 5 Front bottom pad 6 Rear bottom pad 7 Front left top pad 8 Front right top pad 9 Rear top pad 10 Cleaning cloth 11 Plastic bag 12 Installation guide 13 Plastic bag 14 Original mat 15 Original mat holder 16 Air padded bag 17 Angle control fitting 18 Fixing fittings 19 Plastic bag 20 Pin 21 M4 x 14 TP screws 22 Plastic bag 23 DP cable cover ...

Страница 20: ... the tapes and pad Procedure 1 Remove four tapes Figure 1 2 2 2 Open the DP top cover and original width guides 3 Remove the pad Figure 1 2 3 Tape Tape Tape Tape Pad Original width guide Original width guide DP top cover ...

Страница 21: ...3NV 1 2 4 This page is intentionally left blank ...

Страница 22: ...umeric keys Enter the maintenance item number using the cursor up down keys or numeric keys The selected maintenance item is run Press the stop key Press the start key Start End Maintenance mode is entered The maintenance item is selected Maintenance mode is exited Repeat the same maintenance item Run another maintenance item No No Yes Yes Enter 001 using the cursor up down keys or numeric keys an...

Страница 23: ... light luminosity 1 U087 Setting DP reading position modification operation 125 125 125 U099 Adjusting original size detection DP is not installed 20 30 40 20 30 40 20 30 40 DP is installed 50 50 50 50 50 50 50 50 50 Operation panel and support equipment U203 Checking DP operation U243 Checking the operation of the DP motors U244 Checking the DP switches Mode setting U326 Setting the black line cl...

Страница 24: ...ress the start key 2 Select the item to be output using the cursor up down keys 3 Press the start key A list is output 4 Press the start key The interrupt print mode is entered and a list is output When A4 Letter paper is available a report of this size is output If not specify the paper feed location The output status is displayed Display Output list Maintenance List of the current settings of th...

Страница 25: ...wer switch on 4 Enter the maintenance item 5 Press the start key 6 Select the item to be send 7 Select Text or HTML 8 Press the start key Output will be sent to the USB memory Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Output list Print Outputs the report USB Text Sends output data to the USB memory text type USB HTML Sends...

Страница 26: ...50 999 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Count 9999999 8888888 7777777 6666666 5555555 4444444 3333333 2222222 1111111 999999 888888 777777 666666 555555 444444 1 Event Descriprions 0501 01 08 01 01 4002 01 08 01 01 0501 01 08 01 01 4002 01 08 01 01 0501 01 08 01 01 4002 01 08 01 01 0501 01 08 01 01 4002 01 08 01 01 0501 01 08 01 01 4002 01 08 01 01 0501 01 08 01 01 4002 01 08 01 01 0501 01 0...

Страница 27: ...adecimal 00 MP tray 01 Cassette 1 02 Cassette 2 03 Cassette 3 paper feeder large capacity feeder 04 Cassette 4 paper feeder large capacity feeder 05 Cassette 5 side feeder SMT paper feeder 06 Cassette 6 side paper feeder side large capacity feeder 07 Cassette 7 side paper feeder side large capacity feeder 08 to 09 Reserved c Detail of paper size Hexadecimal 00 Not specified 01 Monarch 02 Business ...

Страница 28: ...al 01 Face down FD 02 Face up FU 1000 sheet finisher face up FU 4000 sheet finisher left sub tray FU 03 1000 sheet finisher face down FD 4000 sheet finisher main tray FD 05 Job separator tray 06 4000 sheet finisher right sub tray FU 07 4000 sheet finisher left sub tray FD 09 4000 sheet finisher right sub tray FD 0A Center folding unit tray 0B Mailbox tray 1 FD 0C Mailbox tray 1 FU 15 Mailbox tray ...

Страница 29: ...ace ment are logged The total page count at the time of the replacement of the toner container Code of maintenance replacing item 1 byte 2 categories First byte Replacing item 01 Toner container Second byte Type of replacing item 00 Black 01 Cyan 02 Magenta 03 Yellow First byte Replacing item 02 Maintenance kit Second byte Type of replacing item 01 MK 8305A 8505A 02 MK 8305B 8505B 03 MK 8305C 8505...

Страница 30: ...cation Refer to Paper Jam Log All instances includ ing those are not occurred are dis played Indicates the log counter of self diag nostics errors depending on cause See page 1 3 5 Example C6000 4 Self diagnostics error 6000 has hap pened four times Indicates the log coun ter depending on the maintenance item for maintenance T Toner container 00 Black 01 Cyan 02 Magenta 03 Yellow M Maintenance kit...

Страница 31: ...stalled Installed Installed Installed Installed Installed Connected US English FAX Information Slot1 Slot2 Rings Normal Rings FAX TEL Rings TAD Option DIMM Size 3 3 3 16 MB Print Coverage Average Total K 1 10 C 2 20 M 3 30 Y 4 40 Copy K 1 10 C 2 20 M 3 30 Y 4 40 Printer K 1 10 C 2 20 M 3 30 Y 4 40 FAX K 1 10 Period Last Page K C M Y Usage Page A4 Letter Conversion 1111111 11 2222222 22 3333333 33 ...

Страница 32: ...00000000000 0000000000000000 000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000 0000000000000...

Страница 33: ...er 4000 sheet finisher Not Installed 15 Presence or absence of the job separator Installed Not Installed 16 Presence or absence of the printed document guard kit Installed Not Installed 17 Presence or absence of the IC card authentication kit Installed Not Installed Trial 18 Presence or absence of the internet fax kit Installed Not Installed 19 Presence or absence of the data security kit Installe...

Страница 34: ...8 RP code Code the engine software version and the date of the previous update 39 RP code Code the main software version and the date of the previous update 40 NV RAM version _ 1F3 1225 _ 1F3 1225 a b c d e f a Consistency of the present software version and the database _ underscore OK Asterisk NG b Database version c The oldest time stamp of database version d Consistency of the present software...

Страница 35: ...Developer unit Y Maintenance kit A Maintenance kit B Maintenance kit C 51 Panel lock information 0 Off 1 Partial lock 2 Full lock 52 USB information U00 Not installed U01 Full speed U02 Hi speed 53 Paper handling information 0 Paper source unit select 1 Paper source unit 54 Color printing double count mode 0 All single counts 1 A3 Single count Less than 420 mm length 2 Legal Single count 356 mm or...

Страница 36: ...ion 72 Calibration information 73 Calibration information 74 Calibration information 75 Calibration information 76 RFID information 77 RFID reader writer version infor mation 78 Color table version for printer 79 Color table 2 version for printer 80 Color table version for copy 81 Color table 2 version for copy 82 Maintenance information 83 Altitude 0 Standard 1 High altitude 1 2 High altitude 2 8...

Страница 37: ...ure lamp Description Lights the exposure lamp Purpose To check whether the exposure lamp are turned on Method 1 Press the start key 2 Select the item 3 Press the start key The lamp lights 4 To turn the lamp off press the stop key Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description No Description Supplement 90 Toner low detection level 0 to ...

Страница 38: ... when the setting value is decreased 4 Press the start key The value is set 5 Select Black Line 6 Change the setting using the keys or numeric keys 7 Press the start key The value is set 8 Set the original the one which density is known in the DP and press the system menu key 9 Press the start key Test copy is executed 10 Perform the test copy at each scanning position with the setting value from ...

Страница 39: ...ment Sub Scan 1 Change the setting value using the keys or numeric keys For copy example 1 increase the value For copy example 2 decrease the value Increasing the value makes the image longer while decreasing the value makes the image shorter Figure 1 3 4 2 Press the start key The value is set Item No Description Display Description Setting range Initial setting Change in value per step Sub Scan F...

Страница 40: ...copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description U039 U070 ...

Страница 41: ...riginal on the DP and press the start key to make a test copy 4 Press the system menu key 5 Select the item to be adjusted l Item No Description Display Description Setting range Initial setting Change in value per step Front Head Leading edge registration of CCD first side 32 to 32 0 0 085 mm Front Tail Trailing edge registration of CCD first side 32 to 32 0 0 085 mm Back Head Leading edge regist...

Страница 42: ...e copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode Adjustment Trailing edge registration 1 Change the setting value using the keys or numeric keys For copy example 1 increase the value For copy example 2 decrease the value Figure 1 3 6 2 Press the start key The value is set Caution If the first side is adjusted check the second s...

Страница 43: ... copy example 2 decrease the value Increasing the value moves the image rightward and decreasing it moves the image leftward Figure 1 3 7 7 Press the start key The value is set Caution If the first side is adjusted check the second side and if adjustment is required carry out the adjustment If the above adjustment does not optimize the center line proceed with the following mainte nance modes Comp...

Страница 44: ...lect Execute 6 Press the start key Scanning starts under the selected conditions 7 To stop operation press the stop key Item No Description Display Description Scanner Motor Scanner operation Home Position Home position operation Dust Check Dust adhesion check operation with lamp on DP Reading DP scanning position operation Display Operating conditions Setting range Zoom Magnification 25 to 400 Si...

Страница 45: ...odify the setting only if a spotted background appears when a bluish original or a document with a background that is slightly colored is scanned from the DP Perform adjustment if the page scanned using the table and the page scanned using DP do not match Setting 1 Press the start key 2 Change the setting using the or numeric keys Settings 0 No correction 1 Slight correction 2 Medium correction 3 ...

Страница 46: ...e modified when System Menu Adjustment Maintenance Correcting Black Line is set to Off Method 1 Press the start key 2 Select the item to be set Setting CCD 1 Select the item to be set 2 Change the value using the or numeric keys 3 Press the start key The value is set Method Black Line 1 Select Clear 2 Press the start key The setting is cleared Completion Press the stop key The screen for selecting...

Страница 47: ...ight source illuminates and the CCD sensor determines the width of the document The original size sensor determines the document is vertical or horizontal The document is detected two times when the DP is installed Item No Description Display Description Data1 Displaying original size sensor transmission data B W Level1 B W LEVEL setting original size sensor threshold value Data2 Displaying origin...

Страница 48: ...range Initial setting Original R1 Original threshold value for color R near side 0 to 255 20 50 Original R2 Original threshold value for color R center 0 to 255 30 50 Original R3 Original threshold value for color R far side 0 to 255 40 50 Original G1 Original threshold value for color G near side 0 to 255 20 50 Original G2 Original threshold value for color G center 0 to 255 30 50 Original G3 Ori...

Страница 49: ...he operation starts 6 To stop continuous operation press the stop key Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Description Normal Speed Normal reading 600 dpi High Speed High speed reading Display Description CCD ADP With paper single sided original of CCD CCD RADP With paper double sided original of CCD CCD ADP Non P Wit...

Страница 50: ...tor off press the stop key Completion Press the stop key when operation stops The screen for selecting a maintenance item No is dis played Item No Description Display Description Feed Motor DP feed motor DPOFM is turned on Conv Motor DP conveying motor DPOCM is turned on Rev Motor DP switchback motor DPSBM is turned on Lift Motor DP lift motor DPLM is turned on Rev Press Sol DP switchback pressure...

Страница 51: ...splay for that switch or sensor reverses Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Switches and sensors Feed DP feed sensor DPFS Regist DP registration sensor DPRS Timing DP timing sensor DPTS Tray DP switchback sensor DPSBS Set DP original sensor DPOS Longitudinal DP original length switch DPOLSW Lift U Limit DP lift sens...

Страница 52: ...etting Black Line Cnt 1 Select Cnt 2 Change the setting value using the cursor keys or numeric keys When setting is 0 the black line cleaning indication is displayed only if the black line is detected 3 Press the start key The value is set Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Description Black Line Mode Black line cle...

Страница 53: ...keys Increasing the value makes the margin wider and decreasing it makes the margin narrower Figure 1 3 9 7 Press the start key The value is set Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Description Setting range Initial setting Change in value per step A Margin DP left margin 0 to 10 0 3 0 0 5 mm B Margin DP leading edge ...

Страница 54: ...thod 1 Press the start key 2 Select the item Item No Description Display Description Original to be used for adjustment P N Table Chart1 Automatic adjustment in the scanner sec tion Chart1 7505000005 DP FaceUp Chart1 Automatic adjustment in the DP scanning section front face Chart1 7505000005 Table Chart2 Automatic adjustment in the scanner sec tion Chart2 302FZ56990 DP FaceUp Chart2 Automatic adj...

Страница 55: ...y completed OK is displayed If a problem occurs during auto adjustment NG XX XX is replaced by an error code is displayed and operation stops Should this happen determine the details of the problem and repeat the procedure from the beginning Method DP Face Up Chart1 To manually enter the target value 1 Enter the target values which are shown on the specified original P N 7505000005 execut ing main...

Страница 56: ...e specified original P N 302FZ56990 executing maintenance item U425 2 Set a specified original P N 302FZ56990 on the platen 3 Enter maintenance item U411 4 Select Target 5 Select U425 and then press the start key 6 Select Table Chart2 7 Select the item to be operated 8 Press the start key Auto adjustment starts When automatic adjustment has normally completed OK is displayed If a problem occurs du...

Страница 57: ...rt key 6 Select DP Face Up Chart2 7 Select Input 8 Press the start key Auto adjustment starts When automatic adjustment has normally completed OK is displayed If a problem occurs during auto adjustment error code is displayed and operation stops Should this happen determine the details of the problem and repeat the procedure from the begin ning Item No Description 74 1mm 2 15 16 149 1mm 5 7 8 5mm ...

Страница 58: ...ror scanner main scanning direction far end skew 03 Black band detection error scanner main scanning direction near end skew 03 Black band detection error scanner auxiliary scanning direction trailing edge skew 04 Black band is not detected scanner auxiliary scanning direction leading edge 05 Black band is not detected scanner main scanning direction far end 06 Black band is not detected scanner m...

Страница 59: ...ing direction center line error 15 DP main scanning direction skew error 16 Main scanning direction magnification error 17 Service call error 18 DP paper misfeed error 19 PWB replacement error 1a Original error 1b Input gamma adjustment original error 1c Matrix adjustment original error 1d Original for the white reference compensation coefficient error 1e Lab value searching error 1f Lab value com...

Страница 60: ...6990 Display Description White Setting the white patch for the original for adjustment Black Setting the black patch for the original for adjustment Gray1 Setting the gray1 patch for the original for adjustment Gray2 Setting the gray2 patch for the original for adjustment Gray3 Setting the gray3 patch for the original for adjustment C Setting the cyan patch for the original for adjustment M Settin...

Страница 61: ...ght edge black belt 2 of the original at F 15 mm from the top edge of black belt 1 5 Enter the values using the cursor keys or numeric keys in Dist2 6 Press the start key The value is set 7 Measure the distance from the top edge of black belt 1 to the bottom of black belt 3 of the original at D and E 1 Measure the distance from the top edge of black belt 1 to the bottom of black belt 3 of the orig...

Страница 62: ...tting the N875 patch for the original for adjustment N475 Setting the N475 patch for the original for adjustment N125 Setting the N125 patch for the original for adjustment C Setting the cyan patch for the original for adjustment M Setting the magenta patch for the original for adjustment Y Setting the yellow patch for the original for adjustment R Setting the red patch for the original for adjust...

Страница 63: ...nt procedure 1 Measure the distance from the edge to the black belt b of the original at D 35 mm from the left edge E 110 mm from the left edge and F 185 mm from the left edge respec tively 2 Apply the following formula for the values obtained D F 2 E 2 5 Enter the values solved using the cursor left right keys or numeric keys in Main Scan 6 Press the start key The value is set 7 Measure the lengt...

Страница 64: ...l at B 4 Enter the measured value using the keys in Main Scan 5 Measure the distance from the black belt of leading edge inside to the black belt of trailing edge inside of the original at C 6 Enter the measured value using the keys in Sub Scan 7 Press the start key The value is set Figure 1 3 13 Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Desc...

Страница 65: ... Item No Description Display Description DP Counts of document processor DF Counts of 1000 4000 sheet document finisher Display Description ADP Counts of single sided originals that has passed through the DP RADP Counts of double sided originals that has passed through the DP Display Description Sorter Counts of copies that has passed through the sorter Staple Frequency the stapler has been activa...

Страница 66: ...the setting value using the keys or numeric keys l The greater the value the larger the deflection the smaller the value the smaller the deflection If an original non feed jam or oblique feed occurs increase the setting value If wrinkling of original occurs decrease the value 7 Press the start key The value is set Completion Press the stop key The screen for selecting a maintenance item No is disp...

Страница 67: ...3NV 1 3 46 This page is intentionally left blank ...

Страница 68: ... operation and a message is shown on the machine operation panel To remove the jammed original open the DP top cover or switchback unit Paper misfeed detection can be reset by opening and closing the respective covers to turn safety switch off and on 2 Original misfeed detection conditions Figure 1 4 1 DPFS DPSBS DPES DPRS DPOS DPLS2 DPLS1 DPTS ...

Страница 69: ...cument processor is opened during original feeding 9011 DP top cover open The DP top cover is opened during original feeding 9110 DP feed sensor stay jam DP feed sensor DPFS does not turn off within specified time of DP timing sensor DPTS turning on 9200 DP registration sensor non arrival jam DP registration sensor DPRS does not turn on within specified time of DP feed sensor DPFS turning on 9210 ...

Страница 70: ...oing up error When the DP lift motor is driven DP lift sensor 1 does not turn on within 1500 pulse Three recovery times The above has been detected 5 times Defective con nector cable or poor contact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable DP lift motor and DP main PWB YC5 DP lift sensor 1 and DP main PWB YC4 Defective D...

Страница 71: ...damage of EEPROM Contact the Service Administrative Divi sion 9070 Communication error between DP and SHD A communication error is detected Defective con nector cable or poor contact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable DPSHD PWB YC1 and DP main PWB YC10 Defective DPSHD PWB Replace the DPSHD PWB and check for correct...

Страница 72: ...he DP original width switch or DP original length switch 3 Defective PWB Replace the DP main PWB and check for correct operation 3 DP feed motor does not operate 1 Defective connector cable or poor con tact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable DP feed motor and DP main PWB YC5 2 Defective drive trans mission system C...

Страница 73: ...switchback feedshift solenoid does not operate 1 Defective connector cable or poor con tact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable DP switchback feedsift solenoid and DP main PWB YC9 2 Defective solenoid Replace the DP switchback feedsift solenoid 3 Defective PWB Replace the DP main PWB and check for correct operation ...

Страница 74: ...B Replace the DP main PWB and check for correct operation 11 The table is scanned when DP is closed and the original is set 1 Defective connector cable or poor con tact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable DP open close switch and DP main PWB YC4_B 2 Defective DP shut ting Check the hinges and DP reading guide 3 Defe...

Страница 75: ...eck if the surfaces of the following pul leys are dirty with paper powder DP forwarding pulley DP feed belt Clean with isopropyl alcohol Check if the contact between the DP reg istration roller and DP registration pulley is correct Check visually and remedy if necessary Check if the contact between the DP upper conveying roller and DP conveying pulley is correct Check visually and remedy if necess...

Страница 76: ... Turning off the main power switch before pressing the Power key to off may cause damage to the internal hard disk When handling PWBs printed wiring boards do not touch parts with bare hands The PWBs are susceptible to static charge Do not touch any PWB containing ICs with bare hands or any object prone to static charge When removing the hook of the connector be sure to release the hook Take care ...

Страница 77: ...e procedure below to replace the DP original feed belt and DP forwarding pulley Procedure 1 Open the DP top cover 2 Remove the screw and then remove the DP feed shaft guide Figure 1 5 1 3 Remove the stop ring and then remove the DP feed unit from the DP Figure 1 5 2 DP feed shaft guide Screw DP top cover DP feed unit Stop ring ...

Страница 78: ... DP feed holder from the shorter shaft side Slide the pulley and the DP feed holder at the longer shaft side 7 Pull out the DP feed belt shaft A from the DP feed belt unit and then remove the DP feed collar A Figure 1 5 4 DP feed belt unit DP feed unit Pulley Pulley DP feed belt shaft A DP feed holder Stop ring Stop ring Pin Pin DP feed holder DP feed belt unit DP feed collar A ...

Страница 79: ...ve two pulleys and pins 12 Pull out the DP forwarding pulley shaft from the DP feed unit and then remove the DP forwarding pulley 13 Check or replace the DP feed belt and DP forwarding pulley and refit all the removed parts Figure 1 5 6 DP feed belt shaft B DP feed belt unit DP feed collar B DP original feed belt DP forwarding pulley DP forwarding pulley shaft DP feed unit Stop ring Stop ring Pin ...

Страница 80: ...upper shift guide 3 Remove two screws and then remove the DP lower feed guide Figure 1 5 7 4 Remove the stop ring and then remove the DP separation pulley and torque limiter 5 Check or replace the DP separation pulley and refit all the removed parts Figure 1 5 8 Screw Screw DP upper shift guide DP lower feed guide DP top cover Stop ring Torque limiter DP separation pulley ...

Страница 81: ...ess the start key to make a test copy 2 If the gap of leading edge exceeds the reference value perform the following adjustment Reference value For simplex copying Within 3 0 mm For duplex copying Within 4 0 mm Figure 1 5 9 3 Loosen two screws of right and left fix ing fittings Figure 1 5 10 Original Copy example 2 Copy example 1 3mm 4mm 3mm 4mm Fixing fitting Screw Fixing fitting Screw Fixing fit...

Страница 82: ... copy 6 Repeat the steps above until the gap of the leading edge falls within the refer ence values 7 After adjustment is completed retighten two screws that have been loosened in step 3 Figure 1 5 11 8 Remove the original mat 9 Place original mat with its Velcro upward over the contact glass Align original mat corner that has 90 degrees of angle with the inner left cor ner of the original instruc...

Страница 83: ...to make a test copy 2 If the gap of trailing edge exceeds the reference value perform the following adjustment Reference value For simplex copying Within 3 0 mm For duplex copying Within 4 0 mm Figure 1 5 13 3 Open the DP top cover 4 Remove four screws and then remove the DP rear cover Figure 1 5 14 Original Copy example 2 Copy example 1 3mm 4mm 3mm 4mm Screw Screw Screw DP top cover Screw DP rear...

Страница 84: ...the original mat 8 Place original mat with its Velcro upward over the contact glass Align original mat corner that has 90 degrees of angle with the inner left cor ner of the original instruction panel 9 Close DP and attach original mat onto it with Velcro Figure 1 5 16 10 Make a test copy again 11 Repeat steps 1 to 9 above until the gap of the trailing edge falls within the refer ence values Nut S...

Страница 85: ...3NV 1 5 10 This page is intentionally left blank ...

Страница 86: ...in PWB is replaced with a new one carry out the following procedure 1 Clean the CIS roller and contact glass CIS 2 Perform maintenance mode U411 Adjusting the scanner automatically see page 1 3 36 3 Perform maintenance mode U091 setting the white line correction see page 1 3 26 4 Make a test copy of a gray document If problems such as white lines appear on the test copy repeat the procedure from s...

Страница 87: ...3NV 1 6 2 This page is intentionally left blank ...

Страница 88: ... DP forwarding pulley and DP orig inal feed belt The DP separation pulley prevents multiple sheets from being fed at one time via the torque limiter Figure 2 1 1 Original feed section 1 3 2 4 9 7 5 6 8 11 10 1 Original tray 2 DP original width switch DPOWSW 3 Original lift guide 4 DP forwarding pulley 5 DP feed belt 6 DP feed collar A 7 DP feed collar B 8 DP separation pulley 9 DP original sensor ...

Страница 89: ... Original feed section block diagram DPFS DPLM DPOFM DPMPWB YC5 1 2 3 4 YC5 9 10 11 12 YC4 A5 YC2 10 YC4 A3 YC4 A12 YC2 11 12 14 FEED_2B 2A 1A 1B LIFT_2B 2A 1A 1B FD_SW LF_DNSW LF_UPSW SET SW WIDE3 2 1 DPOS DPOWSW DPLS2 DPLS1 ...

Страница 90: ...machine Figure 2 1 3 Original conveying section 3 10 1 5 6 8 7 9 12 13 11 2 4 14 1 DP registration sensor DPRS 2 DP registration roller 3 DP registration pulley 4 DP upper conveying roller 5 DP conveying pulley 6 DP timing sensor DPTS 7 DP left conveying roller 8 DP conveying pulley 9 DP conveying pulley 10 DP right conveying roller 11 DP conveying pulley 12 Slit glass machine main body 13 Reading...

Страница 91: ...3NV 2 1 4 Figure 2 1 4 Original conveying section block diagram DPRS DPTS DPOFM DPOCM DPMPWB YC4 A8 YC5 1 2 3 4 YC14 1 2 3 4 YC4 B6 RGST_SW FEED_2B 2A 1A 1B CNVY_2B 2A 1B 1A CCD _TMG_SW ...

Страница 92: ...switchback tray and conveyed again to the original conveying section by the DP switchback roller Figure 2 1 5 Original switchback eject sections 3 5 7 4 6 10 1 9 11 12 14 8 13 2 1 DP switchback feedshift guide 2 DP eject feedshift guide 3 DP upper feedshift guide 4 DP switchback roller 5 DP switchback pulley 6 DP switchback sensor DPSBS 7 Actuator DP switchback sensor 8 DP switchback tray 9 DP fee...

Страница 93: ... 2 1 6 Figure 2 1 6 Original switchback eject sections block diagram DPES YC9 5 6 YC3 2 YC14 5 6 7 8 YC4 B13 YC9 2 3 JNC_SOL_P K EXIT SW RVRS_1B 1A 2A 2B TRAY_SW PRS_SOL_P R DPFSSOL DPPSOL DPSBS DPSBM DPMPWB ...

Страница 94: ... table 1 2 3 1 1 Slit glass second side scanning 1 The first side of original is scanned at the slit glass machine main body Conveyed to the DP switchback tray by the DP switchback feedshift guide Ejected to the original eject table by the DP switchback DP feedshift and DP eject rollers The second side of original is scanned at the slit glass machine main body and the original is conveyed to the D...

Страница 95: ...3NV 2 1 8 This page is intentionally left blank ...

Страница 96: ... Layout 2 2 1 Electrical parts layout 1 PWBs Figure 2 2 1 PWBs 1 DP main PWB DPMPWB Controls electrical components 2 DP LED PWB DPLPWB Indicates presence of originals or an original jam 1 2 Machine inside Machine front Machine rear ...

Страница 97: ... DPLS2 Detects the original tray reaching the lower limit 6 DP original length switch DPOLSW Detects the length of the original 7 DP original width switch DPOWSW Detects the width of the original 8 DP feed sensor DPFS Detects primary original feed end timing 9 DP registration sensor DPRS Detects the original conveying timing 10 DP timing sensor DPTS Detects the original scanning timing 11 DP switc...

Страница 98: ... Drives the original feeding section 2 DP conveying motor DPOCM Drives the original conveying section 3 DP switchback motor DPSBM Drives the switchback roller 4 DP lift motor DPLM Operates the original lift guide 1 2 4 3 Machine inside Machine front Machine rear ...

Страница 99: ...Figure 2 2 4 Others 1 DP switchback feedshift solenoid DPFSSOL Operates the switchback feedshift guide 2 DP switchback pressure solenoid DPPSOL Operates the switchback pulley 1 2 Machine inside Machine front Machine rear ...

Страница 100: ...3NV 2 3 1 2 3 Operation of the PWBs 2 3 1 DP main PWB Figure 2 3 1 DP main PWB silk screen diagram YC1 YC4 YC2 YC3 YC6 YC9 YC14 YC5 1 12 8 1 1 6 1 3 1 14 13 2 A1 A13 B1 B13 1 2 15 16 1 3 YS1 ...

Страница 101: ...SCPWB 15 24V I 24 V DC 24 V DC power input from ISCPWB 16 24V I 24 V DC 24 V DC power input from ISCPWB YC2 1 3 3V O 3 3 V DC 3 3 V DC power output to DPOLSW Connected to DP original length switch DP lift sensor 2 DP origi nal width switch 2 GND Ground 3 LNG_SW I 0 3 3 V DC DPOLSW On Off 4 LNG_CLK O 0 3 3 V DC pulse Clock signal 5 NC Not used 6 NC Not used 7 NC Not used 8 ANODE O 3 3 V DC 3 3 V DC...

Страница 102: ...ck sensor B2 LED_PW O 5 6V DC 5 6 V DC power output to LEDPWB B3 LED_REM O 0 5 6 V DC LED control signal B4 NC GND Not used B5 GND Ground B6 CCD_TMG_S W I 0 3 3 V DC DPTS On Off B7 3 3V O 3 3 V DC 3 3 V DC power output to DPTS B8 ANODE O 3 3 V DC 3 3 V DC power output to DPOCSW B9 GND Ground B10 DP_OPEN I 0 3 3 V DC DPOCSW On Off B11 ANODE O 3 3 V DC 3 3 V DC power output to DPSBS B12 GND Ground B...

Страница 103: ...4 V DC DPPSOL On Off actuate 3 PRS_SOL_R TN O 0 24 V DC DPPSOL On Off return 4 R24V O 24 V DC 24 V DC power output to DPFSSOL 5 JNC_SOL_P ULL O 0 24 V DC DPFSSOL On Off actuate 6 JNC_SOL_K EEP O 0 24 V DC DPFSSOL On Off keep YC14 1 CNVY4_OUT 2B O 0 24 V DC pulse DPOCM drive control signal DP convey ing motor DP switchback motor 2 CNVY3_OUT 2A O 0 24 V DC pulse DPOCM drive control signal 3 CNVY2_OU...

Страница 104: ...EFT 303LL94060 3LL94060 DP conveying pulley PULLEY CONVEYING BK 303NV24010 3NV24010 DP conveying roller right PARATS ROLLER CONVEING RIGHT 303LL94070 3LL94070 DP conveying roller upper PARATS ROLLER CONVEING UPPER 303LL94080 3LL94080 Reading pulley PULLEY READING BK 303NV24020 3NV24020 DP eject roller PARET ROLLER EJECT 303LL94100 3LL94100 DP eject pulley PULLEY EXIT 303JX28030 3JX28030 DP switchb...

Страница 105: ...an Clean with a dry cloth or alcohol DP registration pul ley Clean Clean Clean with a dry cloth or alcohol DP registration pul ley Clean Clean Clean with a dry cloth or alcohol DP conveying roller left Clean Clean Clean with a dry cloth or alcohol DP conveying pulley Clean Clean Clean with a dry cloth or alcohol DP conveying roller right Clean Clean Clean with a dry cloth or alcohol DP conveying r...

Страница 106: ...low or clean with a dry cloth Section Maintenance part location User call 300K 600K 900K 1200K Points and cautions Page Covers Covers Clean Clean Clean with alcohol Original mat Clean Clean Clean with a dry cloth or alcohol Section Maintenance part location User call 300K 600K 900K 1200K Points and cautions Page Other Image quality Check Adjust Check Adjust ...

Страница 107: ...IDE1 3 WIDE2 4 2 1 3 4 WIDE3 DPOLSW DPMPWB DPLS2 DPOWSW DPOFM DPLM DPOCM DPSBM 3 B 4 A 1 B 2 NC 5 NC 6 A 3 4 1 2 5 6 B B A A 3 4 2 1 3 4 2 1 NC B A B 3 6 A 4 NC 5 1 2 NC A B A 4 3 B 1 NC 5 6 2 3 6 4 5 1 2 4 3 1 5 6 2 A1 A1 ANODE A2 A2 GND A3 A3 LF_UPSW A4 A4 GND A5 A5 FD_SW A6 A6 3 3V A7 A7 GND A8 A8 RGST_SW A9 A9 3 3V A10 A10 ANODE A11 A11 GND A12 A12 SET_SW A13 A13 NC YC4_A B1 B1 NC B2 B2 LED_PW...

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