Sharp ER-04RP Service Manual Download Page 15 | Manualshive

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Summary of Contents for ER-04RP

Page 1: ...uto cutterunit Overviewand operatingprincipleof the Troubleshooting Disassemblyand reassembly Test Function SWI 7 ON Specialservice Circuitdiagram tool 1 1 O Q 2 3 O 5 0 9 Q Q 10 printer 14 18 22 m o 34 35 37 Installation Installation procedureof procedureof in linecable 43 ER 04RP for moungingon a wall 43 This document has been published to be used SHARP CORPORATION rafiersa esse ice y y The cont...

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Page 3: ... cassette Color Two colors of black and red Character set ASCII conforming 7 bit 8 bit character Operation mode Self test On line normal print mode Off line standby mode Print halt mode Controlpanel f I Paperoutiet I IA POWER ON LINE ALARM m n neswi c m k Ribbon cover Paper Connector b n m 0 In cover AC powerreceptacle b 4 Powerswitch Fig 1 1 14 Size Weight 176 W x 263 D x 125 H mm include to conn...

Page 4: ...ettings are effective only when the diagnostic mode is ON SW1 7 ON For details of the diagnostic programs refer to Section 3 3 SW1 5 6 SW1 7 SW1 8 Used to select the code conversion type The remote printer provides two different types of code conversion to handle the difference of code systems between dissimilar machines The switch is used to select which type of code conversion to adopt Swl 5 SW1...

Page 5: ...s M3x6 at four locations on both sides to remove the bottom cover 1 the mst significant bit and the SW3 8 as the least significant bit 3 4 Dip switches DS1 DS3 factory setup SWITCH I Function Default Swl 1 I CR code disabled OFF H SWI 2 1 OFF Selection of diagnostic program line Swl 3 OFF inspection test I SWI 4 I OFF Swl 5 Selection of conversion type type 1 OFF SW1 6 OFF Swl 7 Diagnostic mode pr...

Page 6: ...ocations Remove the PWB while paying attention to the wires 2 Removing the AC power supply unit Remove the AC inlet holding screws M3x6 at two locations and the ground wire holding screw M4x6 4 6 Removing the operation panel PWB and PE sensor PWB Remove the upper cover and the tapping screws at two locations to remove the operation panel PWB Remove the power transformer holding screws M4x6 at thre...

Page 7: ...ocated on the memory space It has an address space of 64K bytes with a ROM a RAM and external expansion 1 0s peripherally arranged as shown in the at tached page The RAM has a capacity of 64K bits or 256K bits according to the destination the RAM size being checked by software Data and control commands are transferred to and from the SRN through the registers in the SRN interface circuit which are...

Page 8: ...2V l Y0 150mA RNS i Aao l m max120ns T Readdata i min50rts Write data 4 Initial reset and power down interrupt circuit IC3 is for generating a power down interrupt and a reset signal When the supply voltage drops due to a power failure or other cause the circuit works to detect the voltage drop and stores necessary data in the RAM before going into the power down mode As shown in the timing chafi ...

Page 9: ... P2S e RR6 19 P26 CN3 5 08 i 8 10 9V RQS 20 27 CN3 3 23 09 9 20 102 RQS 1 1 CN3 1 CU3 e CM 9 CN3 Id CM3 1s P30 P31 P32 33 p P s p s F 9134 a14 4 Flls 4 CN3 2 m XIN F28 Xoul I 1 3 0 H14Z VREr z SYNC E 40 Vcc M B 12 15 2 19 CN2 1 CN2 2 I m m C NT R P02 P03 P04 Po i P06 P07 V55 J 74HC 4 IC12 3 Ra4 1 4HCI 4 1OK 8 I H 2 Ral 3 RR I 4 RR 7 S RQI 6 RR1 7 RP E RR1 9 Rnl Plo PI PI 13 P14 Pls PI 6 P1 1 CN2 4...

Page 10: ... motor rotates forward only The blade goes and returns the home position once In partial cut the motor rotates forward and rotates reversely midway during cutting and rotates forward again to stop at the home position 2oms Fig 2 8 Time chart CPU _ l II I 1 OwY 5 3 SRN interface circuit 1 Circuit description The SRN interface is allocated at the 1 0 space address with the printer controller as the ...

Page 11: ...nce the printer uses a permanent magnet in the motor and an electromagnet avoid using the printer in a location that may be subjected to a large amount of iron filings dust dirt etc Printed circuit boards are mounted in the bottom of the printer Take care so that the printed circuit boards do not come in contact with the case or foreign materials do not adhere to the boards 6 1 2 Hints in storing ...

Page 12: ...ation There is no need to lubricate the unit until 150 000 cuts If however the blade becomes dull or if cleaning has removed oil too much or when disassembly assembly or replace is performed lubricate the unit Gear pivot Maltemp Brush Lock lever shaft Maltemp Brush Crank pin Mo grease Brush Movable blade sliding section Mo grease Brush 7 2 Mechanism and operating principle 7 2 1 General The AC 2 a...

Page 13: ...to the motor 2 Motor defect 3 The rotating section is locked by foreign materials 1 Defective detecting switch 1 Improper recording paper 2 Foreign materials in the path of recording paper 1 Deformed cutter bar 2 Paper dust clog or poor lubrication on the blade slidin section 1 Breakage or wear in the movable blade Check position and Repair procedure Drocedure Check the input power I Ifthe voltage...

Page 14: ...1 13 M2 6 X 5 x2 12 14 M2 X 8 SW x2 13 T 15 Insulation lock tie 14 4 16 Cutter SP 15 A 17 Guide plate 16 18 Movable blade 17 1 l A 19 Cutter cover ass y 18 20 M2 6 X 8 x2 3 21 E3 x2 6 Lubricate the lock lever shaft Maltemp Hook the lock lever SP in the lock lever side first Lubricate the gear shaft Maltemp Arrange so that the crank pin and the gear shaft are on a line crankPin Lubricate the worm s...

Page 15: ... 12 14 I 0 17 7 9 I 18 I 13 ...

Page 16: ... copies Inking Motor Printhead Total thickness 0 2mm max Special cartridge ribbon re black two color or black monocolor DC brush motor Voltage 24 1VDC Current Peak current Approx 1A Average current 0 2A max Number of wires 9 Wire diameter smm Wire pitch 0 353mm Solenoid Voltage 24 1 VDC Resistance 17Q 25 C 11 Overall dimensions 137 W x 136 D x 63 5 H mm 5 4 W X5 35 D X 2 5 H 12 Weight Approx 690g ...

Page 17: ...ssues a signal HP for every 17 DPs or 20 DPs and the signal HP is combined with the signal RP output from the reset pulse sensor hereinafter described to determine the DP munt stafi position No waveform shaping circuit is included in the printer therefore it is requested that the shaping circuit be provided at the user side RP reset pulse sensor The sensor block consists of an RP switch SA which u...

Page 18: ...ft because of paper jam etc The PF slip gear is coupled by friction to the drive gear via the PF slip spring and is so constructed that when the PF shaft is subjected to a greater load than a prescribed torque it slips on the PF shaft to absorb the overload Side plate R PF ive gear Sll slip gear yl Pivot drive gear Paper release mechanism Tne PF shaft gear is coupied to the PF ratchet fixed to the...

Page 19: ...In normal operating condition the ribbon plate is locked in posi tion by the lower hook of the color change lever holding the black ribbon area in the printing position When the color change solenoid is energized through a red print command the color change lever is pulled in to disengage the lower hook from the ribbon plate The color change lever swings upward by the force of the color change lev...

Page 20: ...nector and wiring diagrams 9 2 1 Conn tor diagram up y f ii 4 2 8 6 9 COMMON 7 5 3 1 F G 10 1 17 1 Connector B Connector A 1 r Printhead SA Head FPC 9 2 2 Wiring diagram FPFcoil DC motor I o L i I I I Ill L rlll I I Connector C C nnect r A 11 It K 1 r 6 7 4 24 8 s 1 W II 11 6 24V IIL I I 81 24 ml 91 24V 10 24 r 13 FGND I I I I IS FCND Connector PCB SA Y 1 1 I 1 I 1 i I Validation option I T I 1 m ...

Page 21: ...l Check voltage applied to each sensor Repair control block abnormal and its output waveform Also check replace sensor or connector PCB SA for continuity replace connector PCB SA DP HPIRP signal Check voltage applied to each sensor Repair control block abnormal and its output waveform Also check replace sensor or connector PCB SA for continuity replace connector PCB SA Trouble in mntrol block Chec...

Page 22: ...om Possibie cause Checking procedure Remedy I Paper iead edge is i Check that paper iead edge is not bent insert paper properly i bent or improperly cut and cut straight I once again I Troubie because of I Check thickness width and diameter of I Use paper of I non standard paper I paper used I prescribed specification Troubie because of Check paper feed route for dust and Remove paper dust paper d...

Page 23: ...ector PCB SA defective Trouble in control block Maladjustment of color change timing IRibbon mask shape defective CC lever operation failure Checking procedure Remedy Vith printhead positioned at extreme left Realign registration heck if registration mark 0 on ribbon mark eset cam is aligned with engaging losition with reset cam drive gear Registration mark leset cam drive aear Rib n reset cam wit...

Page 24: ...n the printer or the fioor in disassembly and reassembly check the ieads and cords for damage and avoid such wiring as to cause strain to them 10 1 List of maintenance tools 1 2 3 4 5 6 7 8 9 10 11 Phiiiips screwdriver iarge size for 3mm size Normai screwdriver smaii size Tweezers Beit tension gauge diai tension gauge 10Og Scaie Soidering pencii Long nose piiers Thickness gauge 0 5 0 6mm Lubricati...

Page 25: ...ER 04RP Parts number reference Figure N I 23 ...

Page 26: ...mbly reassembly of ribbon plate BK Tools Phillips screwdriver Tweezers CC coil SA Section 10 3 1 T Disassembly Reas embly J Ribbon plate BK 1 Disassembly procedure 1 Remove the CC coil holding screw 5 14 to remove the CC coil 2 Remove the two color change springs 6 2 3 Disengage the portion A while lifting up the color change lever 6 3 and then disengage the hinge portion B on the right side of th...

Page 27: ... 11 Remove the clutch spring 4 13 by rotating it counterclockwise Pry off the PF reduction gear 4 15 with the normal screwdriver NOTE Take care not to ruin the teeth of the PF reduction gear Remove the PF drive gear 4 10 Remove the drive gear 4 5 PF slip gear 4 6 and PF slip spring 4 7 Remove the reduction gear 4 4 Remove the motor pinion 4 3 NOTE The motor pinion is glued to the motor shaft Remov...

Page 28: ...ustment in accordance with the table and figures below Phenomenon Method of adjustment Adjust engagement with the H H H H reduction gear by rotating the H H motor pinion in direction shown by arrow A in the figure below Adjust engagement with the H H H H reduction gear by rotating the H H H H motor pinion in direction shown by arrow B in the figure below Drive Reduction gear gear Motor BK Pull out...

Page 29: ...iage rail 3 12 at the motor side Pull out the carnage rail 3 12 to the right Reassembly procedure ER 04RP Reverse the disassembly procedure 10 3 9 Disassembly reassembly of platen BK Tools Phillips screwdriver Normal screwdriver small size Long nose pliers Thickness gauge IDissssembly reassembly flow Printhead SA Section 10 3 3 I Rea embly Disa embly I I Platen BK 1 Disassembly procedure 1 Remove ...

Page 30: ... the pin wheel washers For P type only Install the pin wheels to the PF shaft so that the pins on the right and left pin wheels are aligned with each other Check to ensure that the PF shaft bearings move lightly and smoothly Observe the direction in which to assemble the washers Washer I PF shaft bearing b Q 10 3 11 Disassembly reassembly of paper pressure rollers I Tools Tweezers Normal screwdriv...

Page 31: ... occurs in bi directional printing 10 3 13 Disassembly reassembly of connector PWB SA Disassembly procedure 1 Unsolder the red and black motor leads from the connector PWB SA 5 2 using the soldering pencil 2 Remove two holding screws 5 10 3 Remove the connector PCB SA 5 2 Reassembly procedure Reverse the disassembly procedure However the following adjustments are necessary BEFORE OPERATIONS Replac...

Page 32: ...e table below Model Value of A Method of adjustment DP 61O 500ms 555ms Value of A is smaller than the specified range Use diode of greater DP 612 602ms 634ms capacity DP 614 649ms 794ms Value of A is greater than the specified range Use diode of smaller DP 617 844ms 925ms capac 10 3 15 Disassembly reassembly of ribbon feed block IDisassembly reassembly flow Reassembly I Ribbon plate BK Section 10 ...

Page 33: ...ate the timing belt in one turn to that the belt moves smoothly Pipe Idle pul Holding screw Hole fu rum I idle pulley BK ensure Drive pulley Adjustment of timing belt tension With the pipe of the timing belt SA fitted onto the cut portion see the figure below apply load to the center of the timing belt Adjust the belt tension by moving the idle pulley BK so that the portion of the belt on which th...

Page 34: ...cement 9 4 26 Cam on reverse side Multemp Adequate At replacement 10 4 10 4 12 4 13 Joint 3 locations Epinoc Large At replacement 11 4 11 Circumference Multemp Adequate At replacement I 12 4 5 4 6 4 7 Joint 3 locations I Multemp I Large I At replacement 1 13 I 3 12 Surface I Multemp I Adequate I At replacement 14 3 3 Entire face Floil 946P Large At replacement and cleaning 15 3 4 Carriage drive pi...

Page 35: ...ER 04RP y In 33 ...

Page 36: ...tus is returned from the SRN interface the data will be re transmitted If the transmission failed at the third try the status returned from the SRN interface will be printed out to terminate the test 12345678901234567890123456789012 SRN STATUS 10010000 COMMA N D 11 H lack printing status Identificationcodeof commandthatcaused error When ACK or NAK is returned the following printout is produced 123...

Page 37: ...y performed until the power is turned off 12 Special service tool 12 1 Disassembly of the control PWB and the 1 2 3 SRN interface PWB Remove the rear cover Disconnect all the connectors 7 positions Remove the four fixing screws of the PWB and one fixing screw of the connector cover Then the PWB Scan be removed 4 Attach the UKOG 6669RCZi to the ER 04RP body so that it ER 04RP 5 Insert the connector...

Page 38: ...ER 04RP 12 2 ER 03RP Service Tools connection Auto Printer PE saneor cutter control o SRN z o u z z 0 o CNS c l 10PIN _ 4 o 1 CN2 I 10PIN I r 36 ...

Page 39: ...ER 4RP x c b b c L m x w I 0 K a 0 m I ZN2 CNY NJ L m m v m I nJ I 37 ...

Page 40: ...ER O4RP I U J I v I m I m r 1 u l I J I 1 Ill W 0 1 r J r x I I 1 I I I d k b6C 3ZS dL x uio 9zs X WCO L9ZS H51Nbm23h b3 t d l hbd ND 1Ub3do D5N31 3d lhj QN3 r c a k m I m I T I T 38 ...

Page 41: ...ER 04RP A U90 19ZS a3RoJ tNd Ii S 3dOl sd tNd Ilt5 doI sd N3 SN2 I r 1 9N I 1 1 I 1 1 u I IAo W m 0 6 Y c I I I I I i l I D m a 39 ...

Page 42: ...ER 04RP I Ln u L 0 a I 1 I L 1 1 1 1 I 1 m u z a h K I m I T I m I nJ I 40 ...

Page 43: ...ER44RP I Z x u L IA c t t r Zz Ulul 1 1 I I nfl I I 1 1 Ill I III m I I II I 1 1 I 1 1 111111 1 1 I I r A n A 41 ...

Page 44: ... ER 04RP 1 u k IA c L lx a u l k AOT f1001 a gl L I 42 ...

Page 45: ...onnect the BNC T connector to BNC connector of the ER 04RP T i ECR Fig 2 15 ER 04RP Installation procedure of ER 04RP for Mounting on a wall No PARTS CODE PRICE RANK DESCRIPTION Q W J 1 OCZ71 3SEC01 13 BD Printer cover 1 2 OCZ71 3SEC01 14 BA Bottom base 1 3 OCZ71 SEC 1840 AL Operation sheet 1 4 OCZ71 SEC 1843 AP Wall fitting angle A 1 5 OCZ71 SEC 1844 AL Wall fitting angle B 2 6 OCZ71 SEC 1845 BD ...

Page 46: ...when removing 11 Loosen the fixing nut of SRN connector cable and remove it from connector angle 12 Return connector guide to the original position Pass the SRN connector cable through bottom base Hang the bottom base to the ER 04Rp in the direction of arrow D Fix the bottom base to the connector guide with the screw Fix the SRN connector cable to cable angle with a fixing nut Fix the cable angle ...

Page 47: ...and attachthe printer cover to ER 04RP 22 Attach the wallfittingangleA tothe wall Tghten the sixscrewsto fixthe wallfittingangleA The six screws are not included in the wall fitting kit use mmmerciallyavailableones whichhave enoughstrengthand are modeofsuitablematerial When selecting the place of installing the printer unit con sider well its weight how much it vibrates duringoperation and the env...

Page 48: ...uced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Information SystemsGroup Quality Reliability Control Center Yamatokoriyama Nara 639 11 Japan 1995 May Printed in Japan ...

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