Sharp CE-140P, Service Manual

Page 1: ...4 mm x 75 6 mm Character printing directions 4 Up Down Left and Right Minimum head adaptor Power consumption 5 2W Number of lines Approximately 450 with 15 hour charge At a temperature of approximately 20 C 68 F standard size 2 characters printed in black and twenty 5 characters printed per line Paper Roll paper diameter 25 mm or less width 114 mm Option EA 515P Power requirements Built in recharg...

Page 2: ... while more than the specifi ed time overcharge occurs and the battery performance sometimes falls If charging is performed when the temperature is 5 C or less or 40 C or more than battery performance some times falIs After repeating several times charge and discharge correctly if the battery can be used only for half of the prescribed time consider the life of the battery and change it 2 General ...

Page 3: ...l on account of constant voltage effect of the zener diode 03 Accordingly the increase of the collector current of Tr3 causes the increase of the current of the collector and the emitter of Tr2 There fore current supply is passible when the battery capa city is smalI 4 When the supply current is increased and the AC adapter output current is 500mA or more Tr1 cut off electric potential is exceeded...

Page 4: ...T external SIO select signal buffer IC enable signal 20 PB4 Output Print signal when the head drive signal is generated low level 21 PB3 Output Head pin drive yellow signal high level is available 22 PB2 Output Head pin drive signal mazarine signal high level is avilable 23 PB1 Output Head pin drive signal cyanic signal high level is available 24 PBO Output Head pin drive black signal high level i...

Page 5: ...low 7 HOW TO CHECK OPERATIONS Terminal Terminal Input Explanation of signals No name Output 29 PC3 N C 30 PC2 Output Low battery detection support signal when LB is detected high Vee power supply in the motor I circuit is stopped 31 PC1 Input Japan types are pulled up to Vee at 10Kn and Export type is pulled down to GND at 10Kn 32 PCO Input PRINTER SIO select signal Printer side low level SIO side...

Page 6: ...in the rightmost position Paper feed is prohibited Head must be in the leftmost position Set the power switch to ON IC CE I I DEF I 0 Switch OFF point I 9 r When printing progressed up to the position shown below set the power switch to OFF Press j 1 N K J key and set it free Press WJkey Press J 1NKIkey and set it free POWER SW ON I BASIC I lliJ I ENTER I Point to be checked Operation CE 140P PC 1...

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Page 8: ...T CHR 27 C3 LPRINT J 25 330 LPR NT CHR 27 C5 LPRINT J 25 340 LPR NT CHR 27 C6 LPRINT J 25 350 LPRINT CHR 27 C0 LPRINT J 25 240 LPRINT R S 5 LPRINT J25 LPR INT R 5 5 LPRINT J25 25 250 LPRINT JS s 25 5 5 25 260 LPRINT RS 5 LPRINT J 25 LP 10 REM TEST fo CE140P 20 CONSOLE 160 100 LPRINT CHR 27 1i 110 REM X ERROR 120 LPRINT CHR 27 b i30 PRINT CHR 27 b 140 LPRINT LS LPRINT 0480 40 B 200 A REM X Y ERROR ...

Page 9: ...sec IRCUIT GND 0 CHR BA6521 TC40H367 P VWXYZ01 PB4 TRIGGER C CHR ria I I I L Vee Vp 150 I I I I I I I STA401 A I r TC74HC02 P R100 10 99 HEAD CO I L 1 4 PBO PB3 PR I NT _ Vp J 25 J 25 J 25 J 25 Vp J 25 J 25 J 25 J 25 2 How to adjust a head drive circuit print pulse width Adjust a pulse width printer head coil applying pulse and C terminal of the STA401A to be 0 68m sec using VR1 when the Vp voltag...

Page 10: ... f l I I 1 l lm l I 1 1 1 1 13 BLOCKR I I if 4Mff1 1 4 TC4081 I z IS kW L 11 r i L I L_I 1 4 1 __ 1_ 30p 9 1_ I I I I YI I __ J Y1 zs l I rop J J sowv 3r l Y2 EX 18 DE N ADAPTOR rJ vi roe 03 SM73 4 A o r 11 I 03 _ Vp Fil VI IL v rw l r 560K i r I SJ o BLOCKR SM37 I I 0 I I I 1 _1 1 4 I I I I I 0 7 I I I zi I I N cJ I IS Oft I I 4 871 r I 1 LJ L I I I IJ I 113 J6WV I I I I rowv I I I 7 I l f I I r ...

Page 11: ... ceramic condensers of 50WV 0 1 F Note 1 Resistances with no indication are 1 4 W carbon resistance ST A401A COM PB CON pr r c 3 cc t l fl f J 1 I I PBo Pi I I UJil I HZ11B1 rt YB Ye 2h s CCN CC 1 I v s l il YD I _ v 7 XB x c CON OH 10 I I v II XA xD fl I IJ IVC N I I IS HP HP 16 I I r 1 2 M Ii IX 1 TC k Hl67P i f l t t TC74HC02P Vp f 1 i _ _ _ _ _ __ _ _ _ ___ I __ _ _ Printer M 3740 I JAIOI k I ...

Page 12: ...13 11 9 7 5 3 I To PRINTER HEAD H N x c x y c y 0 0 p c A M B A M B c c c c c c 0 0 c c 0 0 H N x x y y To PRINTER 1 I 0 0 I I To Ni Cd p c D 0 c D 0 c MOTOR L L M M L L M M Battery To PRINTER FG 1 2 3 4 12 IO 8 6 10 PARTS SIGNAL POSITION ...

Page 13: ... cs 6 DR 7 SG 8 CD 9 CI 10 VC l 11 RR 12 NC 13 VC 2 14 ER 15 NC QCNCW1368CC1 E CE 140P 10 IN IN2 IN3 1N4 IN5 ING IN7 GND 1ain 1 W B STA 401A 010 1 34 67 910 EBCBCBCBCE QCNW 1326CCZZ KEY PWB To ADAPTOR JACK To Ni Cd Battery ...

Page 14: ...cartridge 4 Recording Head Voltage applied to driver 6 VDC 0 5 VDC No of wires 4 wires 1 wire each for black yel low magenta and cyan Form paper EA 515P Paper quality 3 Paper Roll Paper Plotting speed Single density 241 dots line X Y 0 4mm Double density 481 dots line X Y 0 2mm Single density 250 dps Double density 500 dps Bit Image Printing Plotting range Plotting speed Plotting range 8 1 cps ave...

Page 15: ...irection tes by pressure from the paper holding roller and being caught on the paper feeding claw To reverse feed the paper in the negative Y axis direction i the motor is rotated in the opposite direction Since the paper is normally in a released position it can be pulled manually forward or backward in the standby mode CE 140P Fig 1 3 Two BodyConfi guration of Paper Feeding Gear Spring M Paper f...

Page 16: ... Resetposition Resetsignal OFF ON 480 steps Printingrange Print referenceposition d 4 steps 60 steps 3 Operating Principle If the Reset signal is ON when the printer is powered the carriage motor rotates in the counter clockwise direction as viewed from the output shaft side the wire is wound and the head moves to its home position If the Reset signal is OFFwhen the printer is powered the carriage...

Page 17: ...the ink as shown in Fig 1 12 the liquid surface remains constant to assure a fixed density of the printing surface Fig 1 13 shows the status of the liquid surface during printing Fig 1 11 Cross Section View of InkSupplyOperation Yoke Coil Impregnating material W k 1 t or 1ng pa e Ink cartridge unit Ink supply guide Fig 1 10 ExternalView of Head Mechanism Ink supply is performed by ink cartridges T...

Page 18: ...osition as the 1 wire re quiring that the carriage be fed 72 steps in the positive X axis direction and that the paper be fed six steps in the ne gative Y axis direction 3 VectorPrinting In the case of vector printing plotting is started after pull ing the paper out for a continuous plotting operation with in the y axis plotting range After moving the paper and carriage dot head to arbitrary posit...

Page 19: ...Check the status of the trouble with the contents of this column 1 Symptom Defective head unit operation 17 page Defective paper feeding 17 page No printing is performed 17 page Head unit does not stop at home position 18 page A specific color is not printed 18 page Missing dots 18 page Imperfectly formed characters 18 page Running together of ink colors 19 page Ink stains on paper 19 page When a ...

Page 20: ...powerterminals of the paper feeding motor 3 A foreign article has entered the B Checkthe areaaround the paper Removethe foreign article paper guide path platen paper guide path and platen holding roller or other part 4 The paper feeding claw is worn or c Check the status of the tip of the Replace the platen unit damaged paper feeding claw 5 The paperholding spring is weak B Perform a visual checko...

Page 21: ...n the Replace the head unit pertinent head coil terminals 3 The ink supply has run out A Plot a few lines to check if the dark Replace the ink cartridge unit ness of the plotting returns to nor mal 4 The ink supply is stopped up A Check if paper dust or other parti Mount the recovery cartridge on the cles have collected on the ink adhe head unit then perform printing un sion guide section of the h...

Page 22: ...you can confirm the installation method of components and other details thereby simplifying the following assembly process Dur ing disassembly the checks and adjustments that are indi cated in the ASSEMBLY STEP column by a star e may be disregarded 3 1 DISASSEMBLY CAUSE LEVEL CHECK POINT METHOD REPAIR METHOD 1 Ink has adhered to the paper guide A Perform a visual check of the paper Wipe off the ad...

Page 23: ...ls of the adjusting lever are inserted as deeply as possible indicated by 11 into the dowel holes of the frame B Paper guide ass v Frame Adjusting lever 3 Bottom view of the FrameAss y 2 Frame ass v Frame e Mount the hook sections of the paper guide ass v on the dow els on the inside of frames R and L rotate the paper guide ass v in the arrow direction using the dowels as the fulcrum then mount th...

Page 24: ...olding springs between the respective spring holders of the paper holding lever unit and frame making sure the opening of the spring hooks face outwards x2 RE l 5 Bottom View of the FrameAss y Paper holding lever shaft Paper guide Paper holding lever L and R units RE 1 5 x1 5 Frame R c Paper holding lever shaft 4 Insert the paper holding lever shaft the side without the RE hole into the shaft hole...

Page 25: ...ugh section of the frame L shaft holder Do not set the shaft holder onto the frame at this time With the platen shaft holder of the platen unit pressed in the ar row direction insert the platen unit along the opening of frame R When insertion is completed mount the platen shaft holder R onto frame R then mount platen shaft holder L onto frame L be ing careful not to damage the paper feeding claw A...

Page 26: ...r section into the slot of the frame catch it onto section of the frame then secure it by tightening the setscrew I fl fl I Insert the dowel of the paper guide holder into the hole in the frame Then using the dowel as a fulcrum rotate the paper guide holder as shown in the diagram and fasten it to the platen unit shaft by inserting the E retaining ring into the groove in the platen unit shaft to t...

Page 27: ...to the dowel on the left side of the carriage Insert Wire Wire drum Short Long 1 II II Wire x 1 x 1 4 Using tweezers or a standard screwdriver respectively insert the fixed and sections of the carriage wire into the right and left sides of the wire drum ass v Frame Mount and secure the carriage motor using the same method as for the paper feeding motor setting the outer gear of the wire drum ass v...

Page 28: ...o that its wider claw is positioned towards the bottom side of the printer Bottom View of the Frame Ass y Frame Tension frame T spacer T spacer i 1 1 LJ Mount the tension spring onto the hook sections of the tension frame and frame then mount the T spacer The setting direc tions of sections and of the T spacer vary with the amount of clearance between the frame and tension frame Tension spring 6 5...

Page 29: ...ver into the first corresponding dowel hole Next move the carriage to its rightmost position then adjust the platen gap on the right side using the same procedure The platen gaps must be of equal distance on both sides After completing both adjustments therefore the carriage should be moved to the right and left to confirm that the platen gaps are equal Frame R Frame L CJ Head unit Frame L Printin...

Page 30: ...ie band from the bottom of section and fasten it temporarily Next arrange the leads into equal lengths securely fasten the tie band then cut off the unnecessary portion of the tie band with nippers or its equiva lent The leads of the paper feeding motor are set in the following se quence frame slot frame slot CD tie band of the frame Similar to the above temporarily tie the tie band com plete the ...

Page 31: ...C 6 3 0 5 Y 3 9 P BA N B IC ISC6305Y39Pl 30 VHiSTA401A F AL N B IC STA401Al 31 V H i T C 4 0 H 3 6 7 P 1 AH B IC TC40H367Pl l 32 V Hi TC 4 0 0 1BP 1 AF B IC TC40018Pl 33 VHiTC4081BP l AE B IC CTC4081BPl 34 VHiTC74HC02Pl AE N B IC TC74HC02Pll 35 VRD ST2EY100J AA c Resistor l 4W 100 5o nl 36 VRD ST2EY103J AA c Resistor l 4W lOKO 5 37 VRD ST2EY104J AA c Resistor 1 4W lOOKO 5 38 VRD ST2EY151J AA c Res...

Page 32: ... F 30pcs set 16 PGUMM1610CCZZ AB N c Rubber serine 17 NROLR1041CCZZ AC N c Vorume roller 18 LX WZ1015CCZZ AA c Washer 19 LX BZ1145CCZZ AA c Screw 20 JKNBZ1411CCZZ AB c Mode switch knob 21 QCNTM1042CCZZ AA c Slide switch terminal 22 LX BZ1195CCZZ AA N c Screw 23 GLEGG1034CCZZ AA N c Printer rubber 24 Ki OB1025CCZZ BW N E Printer unit M 3740 25 DUNTK8626CCZZ BT N E Main PWB unit 26 GLEGP1009CCZZ AA ...

Page 33: ... 30 35 34 CE 140P ...

Page 34: ...laysia SN 127 220 Round 2 p Saudi Arabia U S A 120 Flat 2 p U S A CANADA 120 Flat 2 p CANADA AC adaptor NO PARTS CODE PRICE NEW PART DESCRIPTION RANK MARK RANK CADPA1013CC01 BG c AC adapter EA150 SM DUNT 6452CC03 BE c AC adaoter EA150 USA CANADA SD DUNT 6453CC03 BF c AC adapter EA150 MA DUNT 6454CC03 BF c AC adapter EA150 MB 1 DUNT 6455CC03 BO c AC adapter EA150l MV DUNT 6457CC03 BF c AC adapter E...

Page 35: ...C 8 5 0 1 5 1 0 0 B Q N B 4 4 0 0o s F4 0 7l O oo o o P rin t er u n it M 3 7 4 0 l __ __ __ __ IUmtt BW N E J OB1025CCZZ 428 00 B C 8 5 02 5 60 00 A A C POI unit 427 0 0 BC B 5 02 5 5 0 20 A L N C Retaininz tvoe OOBC8501030 AA C 401 0 0 B C 8 5 0 0 0 1 A E N Cg Earth wire S 1 OBC850002010 AE N DESCRIPTION PARTS CODE RANK c Main frame ass y NO 0 o o AW N jjA d iu st in 1 l ev e r 151 Printer unit ...

Page 36: ...SHARP CE 140P SHARP CORPORATION Information Systems Group Quality Reliability Control Center Yamatokoriyama Nara 639 11 Japan 1 985 November Printed in Japan ...