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III

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Removing the WB motor harness, relay PCB, and printer-copyboard interface cable

(5) Disconnect the WB motor harness from the relay PCB and the WB motor. On the relay PCB,

straighten the cable clip and pull out the ferrite core of the harness. Then take the WB motor
harness out of the cable clamps.

(6) Remove the tape from the CIS harness set and straighten the two cable clips.

(7) Disconnect the red CIS harness from the relay PCB and pull it out from the cable clip. In the

same way, release the yellow and blue CIS harnesses.

Содержание CB200

Страница 1: ...COPYBOARD SERVICE MANUAL MODEL CP1800 CP2000 CB200 ...

Страница 2: ...n may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice All products and company names mentioned in this manual are trademarks or registered trademarks of their respective holders ...

Страница 3: ...rm appropriate maintenance so that the machine is always in best condition for the customer the service personnel must adequately understand and apply this manual This manual is made up of five chapters and appendix CHAPTER I GENERAL DESCRIPTION CHAPTER II THEORY OF OPERATION CHAPTER III DISASSEMBLY REASSEMBLY AND LUBRICATION CHAPTER IV MAINTENANCE MODE CHAPTER V ERROR INDICATION AND TROUBLESHOOTI...

Страница 4: ...CHAPTER I GENERAL DESCRIPTION ...

Страница 5: ...CHAPTER I GENERAL DESCRIPTION CONTENTS 1 1 MACHINE OUTLINE I 1 1 1 1 External Appearance and Weight I 1 1 1 2 Components I 1 1 2 SPECIFICATIONS I 2 ...

Страница 6: ...he figure below shows the machine appearance and approximate dimensions CP2000 CB200 CP1800 Weight Machine proper 14 5 kg 32 0 lbs 11 8 kg 26 0 lbs In package 23 0 kg 50 7 lbs 19 5 kg 43 0 lbs 1 1 2 Components The machine consists of the following major components ...

Страница 7: ...s Print Density 8 dots mm USE Easel Stand Portrait Same as left Same as left Wall Mount Portrait landscape Partition Hanger Portrait landscape POWER Power Source AC adapter supplied 100 to 240 VAC 50 60 Hz Power Consumption Standby 5W Operating 30W SIZE Size H x W x D In package inch 54 5 x 33 6 x 11 0 49 9 x 38 3 x 10 0 mm 1383 x 852 x 280 1267 x 973 x 255 Use with easel stand inch 75 9 x 28 5 x ...

Страница 8: ...CHAPTER II THEORY OF OPERATION ...

Страница 9: ...CHAPTER II THEORY OF OPERATION CONTENTS 2 1 OVERVIEW II 1 2 2 MECHANISMS II 2 2 2 1 Scanner mechanism II 2 2 2 2 Thermal printing mechanism II 4 2 2 3 Sensors II 5 2 3 CONTROL ELECTRONICS II 6 ...

Страница 10: ...II 1 2 1 OVERVIEW ...

Страница 11: ...and control signals sent from the main PCB of the printer to the WB motor and relays the scanned image with control signals from the CIS units to the main PCB If you press the FEED key the WB motor rotates to drive the screen feed pipe scrolling up the copyboard screen The scanner uses three CIS units each of which consists of an LED array illuminating the copyboard screen via a glass prism bar si...

Страница 12: ...II 3 ...

Страница 13: ...r guide bar and ACS plate to the recording head which prints onto the paper pressed by the platen according to image signals issued from the main PCB The ACS eliminates curl peculiar to rolled paper by curving the paper towards the opposite side of the curl with the ACS plate If the printer motor stepping motor is driven its rotational force is transmitted via the gear train in the drive unit to t...

Страница 14: ...ecording paper is present or the paper compartment cover is closed The thermistor in the recording head allows the controller to monitor the temperature of the head According to the change of the thermistor s internal resistance monitored the controller manages the duty cycle of the head drive current The left hand CIS works as a home position detector of the copyboard screen also If it detects ei...

Страница 15: ...II 6 2 3 CONTROL ELECTRONICS ...

Страница 16: ...CHAPTER III DISASSEMBLY REASSEMBLY AND LUBRICATION ...

Страница 17: ...g the components from the printer base unit III 12 Removing the printer support III 12 Removing the sub cover and control panel PCB III 13 Removing the main PCB and its bracket III 14 Removing the drive unit and hinge plate L III 17 Removing the head protector recording head ASSY recorder frame and PE cover sensor PCB III 19 Removing the films III 21 3 1 2 Disassembly of Copyboard III 22 1 Removin...

Страница 18: ... pipe and its holders III 30 Removing the WB motor III 33 4 Replacing the white sheet copyboard screen and the sheet backup board III 35 3 2 LUBRICATION III 40 1 Joints between the platen shaft and its bushings III 40 2 WB motor related gears on the lower pipe holder L III 40 3 Lower pipe holder L III 41 4 Lower pipe holder R III 41 5 Upper pipe shaft III 42 ...

Страница 19: ...f tapping screws correctly if removed When removing self tapping screws from aluminum frames aluminum material may stick to the threads of those screws requiring higher torque for retightening If it happens do not tighten them forcedly but use new screws and observe the specified torque values 7 Tighten screws to the torque values listed on the next page 8 When connecting or disconnecting cable co...

Страница 20: ...6 1 0 69 0 1 COPYBOARD Upper cover Shoulder screw 3 0 78 0 1 Corner covers upper Screw flat S M3x10 4 0 78 0 1 CIS protector upper Taptite cup S M3x10 2 0 78 0 1 Upper support frame Taptite cup S M3x10 2 0 78 0 1 CIS frame Taptite cup S M3x10 4 0 78 0 1 CIS units Taptite bind B M3x8 6 0 39 0 1 Lower cover Shoulder screw 3 0 78 0 1 Corner covers lower Screw flat S M3x10 4 0 78 0 1 CIS protector low...

Страница 21: ...interface cable from the printer and then remove the four decorative screws to separate the printer from the copyboard n n How to Access the Object Component On the next page is a disassembly order flow which helps you access the object components To remove the main PCB for example first find it on the flow You need to remove the printer printer base unit printer support and sub cover so as to acc...

Страница 22: ...III 4 n n Disassembly Order Flow ...

Страница 23: ...y pulling up its latch 2 Pull the paper guide bar in the direction of arrow and unhook the hinge spring from the shoulder screw arrow 3 Remove the retaining ring E5 arrow ƒ from the shaft of the platen frame R 4 Shift the printer base unit in the direction of arrows and to release it from the shafts of the platen frame R and L respectively ...

Страница 24: ... cover 1 Hold the printer base unit at a right angle from the paper compartment cover and fit it over the shafts of the platen frames L and R When doing this take care not to bring the paper guide bar inside the tabs of the ACS plate or not to bring the films inside the paper compartment cover ...

Страница 25: ...III 7 2 Set the retaining ring E5 onto the shaft of the platen frame R 3 Hook the hinge spring onto the shoulder screw ...

Страница 26: ...he paper guide bar then remove the paper guide bar from the paper stoppers R and L 3 Remove the platen stopper one pan B taptite screw M4x20 4 At the right end of the platen shaft remove the platen gear by pulling its pawl outwards and then remove the bushing R At the left end remove the pawled bushing L by pulling its pawls outwards 5 Move the platen to the right arrow to take out the left end fr...

Страница 27: ...d then unhook the lock lever spring from the platen frame R 7 Move the lock lever to the left arrow ƒ At the left end of the lock shaft remove the lock lever by unlatching the pawl arrow and then unhook the lock lever spring from the platen frame L Take out the lock shaft arrow n n Reassembling notes When inserting the lock shaft through the paper compartment latch face its short end to the right ...

Страница 28: ...move two screws from the platen frame R and take out the platen frame R together with the hinge spring paper stopper R and its spring 9 Remove two screws from the platen frame L and take out the platen frame L together with the paper stopper L and its spring ...

Страница 29: ...hole of the platen frame arrow and then fit the paper stopper to the tab of the platen frame arrow ƒ For the platen frame R set the hinge spring on it as shown on the previous page When reinstalling the lock levers first work at the platen frame L As shown below with dotted lines hold the lock lever and then hook the lock lever spring onto the platen frame L Next work the same way at the platen fr...

Страница 30: ...nts from the printer base unit Removing the printer support 1 Take off the printer support from the printer base unit by removing the four screws NOTE After removing the printer support take care not to bend the grounding spring R ...

Страница 31: ... the panel sheet will become unusable and a new one will have to be put back in 5 Remove two screws from the panel cover Push up the front face of the panel cover to release its latches and pull it towards you 6 Remove the two screws from the control panel PCB n n Reassembling notes When securing the panel cover with screws press it in the direction of arrows A and B as shown below When securing t...

Страница 32: ...CB and its bracket 7 Disconnect the following harnesses from the main PCB while holding down the main PCB Recording head signal harness Sensor harness Panel harness if connected Printer motor harness Recording head power harness ...

Страница 33: ...III 15 8 Remove the PC interface cover if mounted 9 Remove two screws and take out the main PCB ...

Страница 34: ...ally entered the in process inspection mode To exit from this mode press the COPY FEED COPY ALL FEED COPY ALL and COPY keys in this order quickly The ERROR and PAPER LEDs will go off If these LEDs remain flashing turn the machine power off and then on and perform the same exit procedure After replacement of the main PCB it is necessary to set scanning compensation parameters stored in the EEPROM a...

Страница 35: ...the drive unit and disconnect the printer motor harness from the motor NOTE After removing the drive unit take care not to drop the grounding spring L 14 Take off the motor cover by removing the screw 15 Take off the printer motor by removing the screw 16 Remove two screw from the hinge plate L and take it off ...

Страница 36: ...to the motor and its end near the core to the main PCB as illustrated on the previous page When setting the drive unit back into place route the printer motor harness as shown below Route the printer motor harness through two cable guides and position the ferrite core between the cable guide and cutout as illustrated below ...

Страница 37: ...through in this order with a small flat screwdriver as illustrated below 18 Push down both ends of the recording head ASSY and move it to the rear to release the tabs from the cutouts provided in the recorder frame 19 Disconnect the two harnesses recording head signal and power harnesses from the recording head ASSY and then lift it up 20 Remove three head springs ...

Страница 38: ...harness from the PE cover sensor PCB 23 Take off the PE cover sensor PCB by removing the screw 24 Remove the sensor actuator as shown below n n Reassembling notes Before setting the recorder frame back into place make sure that the ACS spring is fitted in the U shaped cutout of the recorder frame as illustrated above ...

Страница 39: ...emoving the films NOTE Once removed the films will become unusable and new ones will have to be put back in 25 Remove the films as shown below n n Reassembling notes Attach the adhesive face of each film to the hatched section of the printer base unit within the rib as shown above ...

Страница 40: ...ner covers CIS protector and upper support frame 1 Remove the upper cover three shoulder screws 2 Remove the corner covers A and B two flat S screws M3x10 from each cover 3 Remove the CIS protector two cup S taptite screws M3x10 4 Remove the upper support frame two cup S taptite screws M3x10 ...

Страница 41: ...shown below remove the three harness sponges disconnect the three CIS harnesses from the CIS units and then lift up the CIS frame NOTE When handling the CIS frame hold it as shown below taking care not to touch the glass prism bars or transparent sheets If you touch any of them be sure to wipe it with a soft cloth NEVER use alcohol to clean it ...

Страница 42: ...en reinstalling the CIS frame first connect the three CIS harnesses to the CIS units according to the ID color set the CIS frame back into place and then put three sponges into the positions specified on the previous page to secure those harnesses Next set the two positioning jigs in the direction of arrows and with its shorter end facing towards the CIS units While pressing the positioning jigs i...

Страница 43: ...oved the CIS clamp on the protector should be replaced with a new one Before setting the removed CIS protector back into place remove the current CIS clamp After securing the CIS protector attach a new CIS clamp instead taking care not to let the new CIS clamp protrude from the rear edge of the CIS protector When securing the upper cover temporarily tighten the three shoulder screws shown on page ...

Страница 44: ... corner covers CIS protector and lower support frame 1 Remove the lower cover three shoulder screws 2 Remove the corner covers A and B two flat S screws M3x10 from each cover 3 Remove the CIS protector two cup S taptite screws M3x10 4 Remove the lower support frame two cup S taptite screws M3x10 ...

Страница 45: ...e relay PCB straighten the cable clip and pull out the ferrite core of the harness Then take the WB motor harness out of the cable clamps 6 Remove the tape from the CIS harness set and straighten the two cable clips 7 Disconnect the red CIS harness from the relay PCB and pull it out from the cable clip In the same way release the yellow and blue CIS harnesses ...

Страница 46: ...e the PCB support two cup S taptite screws M3x10 together with the printer copyboard interface cable and the relay PCB 11 Remove two screws two cup S taptite screws M3x6 from the relay PCB and disconnect the printer copyboard interface cable 12 Remove the printer copyboard interface cable two cup S taptite screws M3x10 on the cable clamp ...

Страница 47: ...heir ferrite cores do not interfere with the white sheet and frames respectively When securing the lower support frame to the side frames sandwich the spacers between them as shown on page III 26 When securing the lower cover temporarily tighten the three shoulder screws shown on page III 26 in the center screw hole and outer screw holes center the lower cover relative to the corner covers and the...

Страница 48: ...ull it out NOTE When placing the copyboard rightside up after removing the lower frame apply any pad under the copyboard to protect the grip as shown below Removing the pipe holder stoppers pipe spacer L lower pipe and its holders 3 Remove two pipe holder stoppers one cup S taptite screw M3x8 from each stopper ...

Страница 49: ...holder springs from the lower pipe holders R and L 5 While scrolling the white sheet copyboard screen slide it in the direction of arrow so that the pipe spacer L can appear 6 Remove the pipe spacer L in the direction of arrow ...

Страница 50: ...s the pipe gear in the direction of arrow and disengage it from the lower pipe holder L then pull out the lower pipe in the direction of arrow 8 Take out the lower pipe holders R and L in the direction of the arrows ...

Страница 51: ...the difference between distances A and B shown on the next page is within 1 mm where A and B are distances from the top edge of the backboard to the rib of the upper frame If the difference exceeds 1 mm loosen not remove all screws E press the frame ASSY in the direction of C or D to fix the ASSY s distortion tighten screws E and then secure the lower corner plates R and L with screws If the frame...

Страница 52: ...III 34 ...

Страница 53: ...hree cup S taptite screws M3x10 from each side cover from the side covers and slide them as shown below NOTE When sliding the side covers take care not to damage the CIS harnesses 2 Cut the white sheet to be replaced with scissors NOTE Do not use a cutter or knife which could damage the sheet backup board ...

Страница 54: ...III 36 3 Paste two black HP marks onto the ruled side of a new white sheet as specified below ...

Страница 55: ...the old one 6 Pull the other edge of the old white sheet in the direction of the black arrow This will set the new white sheet around the sheet backup board 7 To replace the sheet backup board remove two screws one cup S taptite screw M3x10 from each side frame and pull out the board together with its supports Set a new board back into place together with the removed supports and tighten two screw...

Страница 56: ...low first put a block at each of the right and left ends of the seam cut a strip of the white sticky tape longer than the width of the white sheet and temporarily attach the tape to those blocks Push the tape down to the seam of the white sheet at three points and ƒ and then press the entire tape along the seam After that cut off the excess of the tape at the right and left ends of the seam Use sc...

Страница 57: ...to place take care not to damage the CIS harnesses When securing the side covers first temporarily tighten the three screws at each side cover After securing the corner covers center the side covers relative to those corner covers and then tighten those screws firmly ...

Страница 58: ... lubrication points as shown below Lubricant type Manufacturer Molykote grease EM 30L or EM 30LG Dow Corning Lubricant amount Rice sized pinch of grease 6 mm3 1 Joints between the platen shaft and its bushings 2 WB motor related gears on the lower pipe holder L ...

Страница 59: ...III 41 3 Lower pipe holder L 4 Lower pipe holder R ...

Страница 60: ...III 42 5 Upper pipe shaft ...

Страница 61: ...CHAPTER IV MAINTENANCE MODE ...

Страница 62: ...ction code 55 IV 3 4 3 2 Scanning contrast adjustment Function code 07 IV 4 4 3 3 Automatic setting of the scanning compensation parameters stored in the EEPROM Function code 02 IV 5 4 3 4 Dump including page length setting error code and scanning compensation data Function code 05 IV 6 4 3 5 Test pattern print Function code 09 IV 8 4 3 6 Operational check of keys and LEDs on the control panel Fun...

Страница 63: ...nce mode To select one of the maintenance mode functions listed in Section 4 2 keep the paper compartment cover opened or close it depending upon the maintenance mode functions you want to access and then press the specified key The details of each maintenance mode function are described in Section 4 3 To make the machine exit from the maintenance mode 1 Close the paper compartment cover 2 Press t...

Страница 64: ...ength setting error code and scanning compensation data Function code 05 Sect 4 3 4 COPY key Test pattern print Function code 09 Sect 4 3 5 FEED key Exit from the maintenance mode COPY ALL key Reserved Never use this function Opened COPY key Operational check of keys and LEDs on the control panel Function code 13 Sect 4 3 6 FEED key Sensor operational check and EEPROM customization for page length...

Страница 65: ...the COPY ALL key with the paper compartment cover opened The machine checks whether either of the two black HP marks on the copyboard screen is placed in the home position i e in the scanning position If neither mark is in the home position the machine scrolls up the copyboard screen until either mark comes to the home position After detection of either black HP mark the machine flashes the PAPER ...

Страница 66: ...RROR LED stops flashing for one second and then starts flashing again 3 Press the COPY key to show the current scanning contrast Then the machine shows the current contrast by using the ERROR and PAPER LEDs as shown below Contrast Indication by ERROR and PAPER LEDs If the LEDs flash in the cycle below The current contrast level is ERROR ON once and PAPER ON four times 0 Light ERROR ON two times an...

Страница 67: ... the service site 1 Open the paper compartment cover and hold down the COPY ALL and FEED keys for 15 seconds 2 Press the FEED key with the paper compartment cover opened The machine writes the automatic scanning parameter setting code into the EEPROM and returns to the regular operation mode At the user site 1 Power on the machine The machine automatically starts home positioning of the copyboard ...

Страница 68: ...een LEDs in CIS0 66 bytes b White level data for green LEDs in CIS1 72 bytes c White level data for green LEDs in CIS2 63 bytes d White level data for red LEDs in CIS0 66 bytes e White level data for red LEDs in CIS1 72 bytes f White level data for red LEDs in CIS2 63 bytes g Clamp PWM value 2 bytes h Gain PWM value 12 bytes for green and red images 6 bytes color i Compensation coefficient data fo...

Страница 69: ...IV 7 Dump List a b c d e f g h i ...

Страница 70: ...d hold down the COPY ALL and FEED keys for 15 seconds 2 Close the paper compartment cover and press the COPY key The machine prints out the specified test pattern as shown below Upon completion of printing the machine returns to the regular operation mode Test Pattern Check these two rows of patterns for print quality Ignore other rows of patterns The print should be free from faint section white ...

Страница 71: ... Sensor operational check and EEPROM customization for page length Function code 32 n n Function This function allows you to check whether the PE cover sensor works correctly After checking the sensor you select letter or A4 size for page length n n Operating Procedure 1 Open the paper compartment cover and hold down the COPY and FEED keys for 15 seconds 2 Press the FEED key with the paper compart...

Страница 72: ... copying function an error will occur in the scanning test disabling the machine Both the ERROR and PAPER LEDs go off and the machine returns to the regular operation mode 8 To check that the correct page length is set print out a dump list refer to Subsection 4 3 4 9 To make sure that the R B copying function is deactivated press the COPY ALL key after performing the above procedure If images on ...

Страница 73: ...CHAPTER V ERROR INDICATION AND TROUBLESHOOTING ...

Страница 74: ... 2 Locating a printer or copyboard failure Important V 3 Read This First User Setup Guide for Repaired Machine V 4 5 2 3 Precautions V 5 5 2 4 Checking prior to Troubleshooting V 5 5 2 5 Troubleshooting Procedures V 6 1 Control panel related V 6 2 Copyboard screen scrolling related V 7 3 Recording paper feeding related V 7 4 Copy image related V 8 5 PC interface related V 11 ...

Страница 75: ... opened according to the PE cover sensor PAPER ON A4 Faulty of white level data AB Home positioning of the copyboard screen failed The CIS cannot detect either of the black HP marks on the screen B1 Upper limit of clamp PWM value B2 Lower limit of clamp PWM value This error occurs also if interference light comes into the CIS units B3 Upper limit of gain PWM value This error occurs also if the pri...

Страница 76: ... flashes once interpret it as 0 For example error code A5 is expressed as 10100101 in eight bits with the MSB first so the ERROR and PAPER LEDs will flash as follows 5 1 3 Main PCB Uncustomized Error In any of the following cases a main PCB uncustomized error will occur and the machine will enter the in process inspection mode 1 A new main PCB not a used board is installed 2 The Reserved function ...

Страница 77: ...tic setting of the scanning compensation parameters Function code 02 If you replace the main PCB you need to set the scanning compensation parameters in the EEPROM Function code 55 in Subsection 4 3 1 However if only the printer has been brought to the service station you cannot do it In such a case make automatic setting of the scanning compensation parameters Function code 02 in Subsection 4 3 3...

Страница 78: ...three minutes during which the PAPER LED flashes 5 Upon completion of the automatic setting the machine turns off the PAPER LED and returns to the regular operation mode 6 If the machine fails to set those parameters it will print out an error sheet If ERR A4 go to step 7 If ERR AB skip to step 8 If ERR B3 go back to step 2 7 Turn the power off and check the copyboard screen for stains Then repeat...

Страница 79: ... Environmental conditions Check that 1 The machine is placed on a flat firm surface 2 The machine is used in a clean environment at or near normal room temperature 10 C to 35 C with normal relative humidity 45 to 80 3 The machine is not subjected to rapid change of the ambient temperature Moving the machine from a cold place to warm place will cause condensation inside the machine If it takes plac...

Страница 80: ... LED is lit l Paper compartment cover Is it closed l Recording paper Has it run out l PE cover sensor actuator 3 The ERROR LED comes on In printing Except in printing l Unplug the machine and leave it until the thermal recording head cools down This error may occur if the print duty is so high that the recording head is overheated l Thermal recording head l Main PCB 4 Keys disabled l Main PCB l Pa...

Страница 81: ...d to the piper holders Are they pasted without any gap l Sheet backup board Is it secured with the screws 4 Scrolling of the copyboard screen not smooth l Upper pipe for looseness Is the CIS frame deformed 5 Low abnormal noise made periodically l Pipes for contamination with grease or sticky dust l Flanges and ends of the pipe gears for crack or small bumps 6 Images drawn on the copyboard screen r...

Страница 82: ...aulty Trouble Action to be taken 1 Completely blank At the scanner l Check the following components CIS units and their harnesses Relay PCB Main PCB At the printer l Check the following components Recording head power harness and signal harness Thermal recording head and its compression springs Main PCB 2 All black First check the printer copyboard interface cable for connection At the scanner l C...

Страница 83: ...tivated in EEPROM customization Function code 32 in Subsection 4 3 7 3 Make a monochrome copy If it has no problem the scanner may be defective At the scanner l Check the following components CIS units Main PCB At the printer l Check the following components Thermal recording head and its compression springs Recording head power harness Main PCB 5 White vertical streaks At the scanner l Set the sc...

Страница 84: ...he two black HP marks At the printer l Check the following components Compression springs under the thermal recording head 8 Image distortion At the scanner l Check the following components WB motor Pipe holders and their gears and springs At the printer l Check that recording paper is loaded correctly l Check the printer motor l Clean the platen with alcohol 9 Blurred image At the scanner l Adjus...

Страница 85: ...ther the scanner of the machine works normally If the copy is normal the problem may be due to the PC interface Proceed to the following checks Trouble Action to be taken 1 No communication with the PC The PC cannot recognize the machine At the machine l Check the following components PC interface cable for connection or breakage Main PCB At the PC l Check that the PC interface cable designed for ...

Страница 86: ...CP1800 CP2000 CB200 APPENDIX Circuit Diagrams A Main PCB B Relay PCB ...

Страница 87: ...A Main PCB 1 4 ...

Страница 88: ...A Main PCB 2 4 ...

Страница 89: ...A Main PCB 3 4 ...

Страница 90: ...A Main PCB 4 4 ...

Страница 91: ...B Relay PCB ...

Страница 92: ...Mar 00 SM5B1101À Printed in Japan ...

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