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CBM-262 SERVICE MANUAL

1-16

19. Cautions Concerning Reassembly and Adjustments

Reassembly is done by following the disassembly procedure in reverse order. However, observe
the following cautions during reassembly.

■

Cautions When Reassembling the Case L

1) Set the printer mechanism’s head up lever in the head down state.
2) Insert the near end cable in the slit on the rear of the case L as shown in the illustration.

Note

If assembled with the cable not inserted in the slit, the near end cable could be pinched and be
broken. Be sure to run the cable through the slit.

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Summary of Contents for CBM-262 Type II

Page 1: ...LINE THERMAL PRINTER MODEL CBM 262 Rev 1 00 First created June 18th 1996 Service Manual ...

Page 2: ...i REVISION Rev No Date Content Rev 1 00 June 18 1996 First created ...

Page 3: ...ii CONTENTS Chapter 1 Disassembly Reassembly Maintenance Chapter 2 Circuit Diagrams Chapter 3 Parts Lists Chapter 4 Appendix ...

Page 4: ...CHAPTER 1 DISASSEMBLY REASSEMBLY MAINTENANCE ...

Page 5: ...t 1 10 Removing the Journal Printer Unit 1 10 Removing the Winder Drive Subassembly 1 10 14 Removing the Spool Gear Winder Pulley and Spool Idle Gear 1 11 15 Removing the Bottom Plate 1 12 16 Removing the Rubber Feet and DIP Switch Cover 1 12 17 Removing the Bracket R Receipt Side 1 13 Removing the Auto Cutter 1 13 Removing the Auto Cutter Paper Guide 1 13 Removing the Relay Board 1 13 Removing th...

Page 6: ...ssarily 2 When finishing the maintenance always check to make sure there is nothing abnormal before switching on the power 3 By all means avoid printing without paper set in the printer 4 Make sure the printer has been set correctly 5 Do not place items on top of the cover or lean anything against it during maintenance or during printer operetion 6 Be careful not to leave parts or screws etc used ...

Page 7: ...G 311S Kanto Kasei Kogyo Co Ltd Epiknock Grease Cat No AP 1 Nihon Sekiyu Co Ltd 3 Oil Supply Quantities Reper to the following table when supplying oil No 1 2 3 Place Oiled Spool Gear Shaft Spool Idle Gear Shaft Spool spring insert of spool idle gear Both ends of paper holder roller Circumference of the vibrator unit Type of Oil Epiknock Grease Epiknock Grease Froil Grease Amount Supplied 0 2 mm w...

Page 8: ...o the LT 283 Series Service Manual No 1 2 3 4 5 6 7 8 9 10 Name No 1 Screwdriver Shaft length 200 mm No 2 Screwdriver Shaft length 200 mm Screwdriver Tweezers Tester Needle Nose Pliers Screwdriver Precision Screwdriver Dial Tension Gauge Socket Wrench Small Opposite side distance 8 mm Socket Wrench Large Opposite side distance 14 mm Quantity 1 1 1 1 1 1 1 1 1 1 Use For M3 M4 mm screws For M2 M2 6 ...

Page 9: ...moving the Cover R 1 Open the Cover R 2 Pull it out toward the front Removing the Cover J 1 Open the Cover J 2 Open it further toward the back and pull it out 6 Removing the Cover Window Press on the center of the cover window then remove it while deflecting it ...

Page 10: ...he Journal Cover Key If the optional cover key is set remove the key by the following procedure 1 Take out the hexagonal nut M6 2 Remove the key lever 3 Take out the hexagonal nut M12 4 Remove the key plate 5 Pull the key out toward the top ...

Page 11: ... 1 Remove the spool by lifting it in the arrow direction 2 Take the spool partner out in the arrow direction Removing the Writing Plate 1 Press the arrow mark on the writing plate to release the lock 2 Pull the writing plate out while pushing on the snap in tabs in the arrow direction ...

Page 12: ...the case L 2 Set the printer s paper release lever toward the rear 3 Remove the case L Note When removing the case L be careful not to pull on or break any cables 4 Loosen the ground wire screws 2 pcs 5 Disconnect the connectors 2 pcs Note Do not disconnect them by pulling on the wires ...

Page 13: ...e near end switch subassembly 2 Remove the near end switch subassembly in the arrow direction Note Near end switch subassemblies are located in two places on the receipt side and on the journal side 11 Removing the Pressure Roller Using a precision screwdriver or similar tool push the pressure roller out from the rear ...

Page 14: ...r Near End Sensor Subassembly 1 Remove the screw used to set the ground wire 2 Remove the spring holding the near end switch lever 3 Remove the near end switch lever 4 Take out the two screws holding the paper near end sensor subassembly microswitch ...

Page 15: ...isassembly and reassembly of the printer unit refer to the LT 283 Series Service Manual Removing the Journal Printer Unit 1 Take out the two screws holding the printer unit 2 Disconnect Cable 2 and Head Cable 2 from the printer unit Note Be careful not to pull on the connectors and cables so as to break them 3 Remove the printer unit Note For disassembly and reassembly of the printer unit refer to...

Page 16: ...nder pulley 4 Take off the winder pulley 5 Take off the spool idle gear 6 Take hold of the hook of the spool spring with a pair of tweezers then turn the spool idle gear in the arrow direction the direction in which the spring becomes loose and remove the spool spring Note 1 Assemble the spool spring with the hook toward the front 2 Align the slit in the winder pulley with the hook of the spool sp...

Page 17: ...e out the four screws used to mount the main circuit board 4 Take out the two screws holding the interface connector 5 Remove the main circuit board in the arrow direction while lifting up the power switch side of the printer 16 Removing the Rubber Feet and DIP Switch Cover 1 Take out the screws holding the rubber feet 2 Take out the two screws holding the DIP switch cover ...

Page 18: ...ector connecting the auto cutter and the relay board Removing the Auto Cutter Paper Guide 1 Take out the four screws holding the auto cutter paper guide 2 Remove the auto cutter paper guide Removing the Relay Board 1 Take out the screw holding the relay board 2 Remove the relay board Removing the Cutter Lock Lever 1 Take out the screw holding the cutter lock lever 2 Remove the cutter lock lever ...

Page 19: ...t the screw used to attach the ground wire 4 Disconnect the connector connecting the printer mechanism and the relay board Removing the Operation Panel Board and the Cover Open Switch Board 1 Take out the two screws holding the operation panel board 2 Take out the screw holding the cover open switch board 3 Remove the operation panel and cover open switch board ...

Page 20: ... the two screws holding the printer mechanism 2 Remove the printer mechanism upward 3 Take out the screw used to attach the ground wire 4 Disconnect the connector connecting the printer mechanism and the relay board Removing the Relay Board 1 Take out the screw holding the relay board 2 Remove the relay board ...

Page 21: ...ing cautions during reassembly Cautions When Reassembling the Case L 1 Set the printer mechanism s head up lever in the head down state 2 Insert the near end cable in the slit on the rear of the case L as shown in the illustration Note If assembled with the cable not inserted in the slit the near end cable could be pinched and be broken Be sure to run the cable through the slit ...

Page 22: ...CBM 262 SERVICE MANUAL 1 17 Cautions When Reassembling the Winder Drive Subassembly Apply Epiknock Grease to the gear shafts 2 places and the spool idle gear 1 place ...

Page 23: ... depending on the thickness of the roll s core adjust the sensor to match the thickness of the roll paper core as shown below Tighten the adjustment screw to align with the appropriate step on the adjustment scale The criteria of the steps on the adjustment scale are as follows when roll paper with a core inner diameter of ø 12 mm and a core outer diameter of ø18 mm is used Dimension T Remaining D...

Page 24: ... Adjust the belt tension to the specified value using a dial tension gauge Note To adjust the belt tension loosen the winder drive subassembly mounting screw and move the winder drive subassembly backward or forward 3 After adjustment to the specified value tighten the screw securely then check again that the timing belt s tension is at the specified value ...

Page 25: ...CHAPTER 2 CIRCUIT DIAGRAMS ...

Page 26: ...NT DIP SWITCH 2 6 RECEIPT CONT 2 7 JOURNAL CONT 2 8 POWER 2 9 SERIAL I F 2 10 3 INTER CONNECTION CENTRONICS 2 11 4 MAIN PCB CENTRONICS 2 12 CPU 2 12 MEMORY 2 13 GATE ARRAY 2 14 PANEL CONT DRWER 2 15 HEAD CONT DIP SWITCH 2 16 RECEIPT CONT 2 17 JOURNAL CONT 2 18 POWER 2 19 CENTRONICS I F 2 20 5 OPE PANE PCB 2 21 6 CONNECT PCB 1 2 22 7 CONNECT PCB 2 2 23 ...

Page 27: ...CBM 262 SERVICE MANUAL 2 1 1 INTER CONNECTION RC 232C ...

Page 28: ...CBM 262 SERVICE MANUAL 2 2 2 MAIN PCB RC 232C CPU ...

Page 29: ...CBM 262 SERVICE MANUAL 2 3 MAIN PCB RC 232C MEMORY ...

Page 30: ...CBM 262 SERVICE MANUAL 2 4 MAIN PCB RC 232C GATE ARRAY ...

Page 31: ...CBM 262 SERVICE MANUAL 2 5 MAIN PCB RC 232C PANEL CONT DRAWER ...

Page 32: ...CBM 262 SERVICE MANUAL 2 6 MAIN PCB RC 232C HEAD CONT DIP SWITCH ...

Page 33: ...CBM 262 SERVICE MANUAL 2 7 MAIN PCB RC 232C RECEIPT CONT ...

Page 34: ...CBM 262 SERVICE MANUAL 2 8 MAIN PCB RC 232C JOURNAL CONT ...

Page 35: ...CBM 262 SERVICE MANUAL 2 9 MAIN PCB RC 232C POWER ...

Page 36: ...CBM 262 SERVICE MANUAL 2 10 MAIN PCB RC 232C SERIAL I F ...

Page 37: ...CBM 262 SERVICE MANUAL 2 11 3 INTER CONNECTION CENTRONICS ...

Page 38: ...CBM 262 SERVICE MANUAL 2 12 4 MAIN PCB CENTRONICS CPU ...

Page 39: ...CBM 262 SERVICE MANUAL 2 13 MAIN PCB CENTRONICS MEMORY ...

Page 40: ...CBM 262 SERVICE MANUAL 2 14 MAIN PCB CENTRONICS GATE ARRAY ...

Page 41: ...CBM 262 SERVICE MANUAL 2 15 MAIN PCB CENTRONICS PANEL CONT DRAWER ...

Page 42: ...CBM 262 SERVICE MANUAL 2 16 MAIN PCB CENTRONICS HEAD CONT DIP SWITCH ...

Page 43: ...CBM 262 SERVICE MANUAL 2 17 MAIN PCB CENTRONICS RECEIT CONT ...

Page 44: ...CBM 262 SERVICE MANUAL 2 18 MAIN PCB CENTRONICS JOURNAL CONT ...

Page 45: ...CBM 262 SERVICE MANUAL 2 19 MAIN PCB CENTRONICS POWER ...

Page 46: ...CBM 262 SERVICE MANUAL 2 20 MAIN PCB CENTRONICS CENTRONICS I F ...

Page 47: ...CBM 262 SERVICE MANUAL 2 21 5 OPE PANE PCB ...

Page 48: ...CBM 262 SERVICE MANUAL 2 22 6 CONNECT PCB 1 ...

Page 49: ...CBM 262 SERVICE MANUAL 2 23 7 CONNECT PCB 2 ...

Page 50: ...CHAPTER 3 PARTS LISTS ...

Page 51: ...nit Main PCB RS 232C 3 1 Unit Main PCB Centronics 3 7 SA Ope Pane PCB 1 3 12 SA Connect PCB 1 3 15 SA Connect PCB 2 3 18 Mechanical Parts 3 21 1 General Assembly 3 21 2 Mechanism Unit 3 24 3 Electrical Component Unit 3 27 Recommended Spare Parts List 3 30 ...

Page 52: ...CBM 262 SERVICE MANUAL 3 1 Parts List Location for Unit Main PCB RS 232C Revision Up List Rev No 1 1 1 Date Jun 18 1996 Jun 18 1996 Jun 18 1996 Sheet No 1 3 2 3 3 3 ...

Page 53: ...CBM 262 SERVICE MANUAL 3 2 Sample layout Main PCB RS 232C Parts side ...

Page 54: ...CBM 262 SERVICE MANUAL 3 3 Sample layout Main PCB RS 232C Soldered side ...

Page 55: ...hout ROM SA Main PCB without ROM IC Reset CPU RAM Pseudo Static Mask ROM C G for Japan Mask ROM C G for USA Europe EEP ROM Gate Array IC CMOS IC CMOS IC CMOS IC I F IC Drive IC Drive IC Comparator Transistor Transistor Manufacturer AMD SGS Tomson Macronix Central AMD SGS Tomson Macronix Central Mitsumi Mitsubishi Sanyo Sanyo Sharp Sharp Sanyo Microchip SGS Thomson Atmel Rohm Exel Mitsubishi Hitach...

Page 56: ... Cap Chip Cap Chip Cap Chip Cap Chip Cap Electrolytic Cap Electrolytic Cap Electrolytic IC Regulator Microton Fuse Coil Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Manufacturer Rohm Rohm Rohm Matsushita Matsushita Rohm Sanyo Matsushita Rohm Matsushita Hoshiden DDK DDK JST JST JST Burndy Alps Alps Echo Elec Rubycon Rubycon Rubycon Sanken Bussmann Murata Location DTRA1 DTR1 4 DTR2...

Page 57: ... 000 C4494 002 Part Name Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Array Chip Manufacturer Matsushita Location R18 33 R26 39 R48 R49 59 61 R58 R60 C52 FB1 14 JP1 2 5 6 F2 RN1 7 Type 1 10W 5 75KΩ 1 10W 1 30KΩ 1 10W 5 5 1KΩ 1 10W 5 10KΩ 1 10W 1 3 3KΩ 1 10W 5 100KΩ 1 10W 0Ω Jumper 1 8W 0Ω Jumper EXBS8V332J Parts List for CBM 262 Unit Main PCB RS 232C ...

Page 58: ...CBM 262 SERVICE MANUAL 3 7 Parts List Location for Unit Main PCB Centronics Revision Up List Rev No 1 1 Date Jun 18 1996 Jun 18 1996 Sheet No 1 2 2 2 ...

Page 59: ...CBM 262 SERVICE MANUAL 3 8 Sample layout Main PCB Centronics Parts side ...

Page 60: ...CBM 262 SERVICE MANUAL 3 9 Sample layout Main PCB Centronics Soldered side ...

Page 61: ... ROM IC Reset CPU RAM Pseudo Static Mask ROM C G for Japan Mask ROM C G for USA Europe EEP ROM Gate Array IC CMOS IC CMOS IC CMOS IC TTL IC Drive IC Drive Transistor Transistor Transistor Res Transistor Res Transistor Res Oscillator Ceramic Manufacturer AMD SGS Tomson Macronix Central AMD SGS Tomson Macronix Central Mitsumi Mitsubishi Sanyo Sanyo Sharp Sharp Sanyo Microchip SGS Tomson Atmel Rohm E...

Page 62: ... IC Regulator Microton Fuse Coil Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Chip Res Array Chip Manufacturer Matsushita Matsushita Rohm Sanyo Hoshiden DDK DDK JST JST JST Burndy Alps Echo Elec Rubycon Rubycon Sanken Bussmann Murata Matsushita Location D1 CN1 CN2 CN3 CN4 6 CN5 7 CN8 IC4 5 SW1 SW3 C1 14 16 24 28 33 40 44 51 53 57 58 64 71 73 C15 32 ...

Page 63: ...CBM 262 SERVICE MANUAL 3 12 Parts List Location for SA Ope Pane PCB 1 Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 64: ...CBM 262 SERVICE MANUAL 3 13 Sample layout Ope Pane PCB Parts side Soldered side ...

Page 65: ...271 PC67950 0 C6198 506 Part Name SA Ope Pane PCB 1 LED LED Switch Key Switch Detector Cap Chip Cap Chip Cap Chip Cable Cover Sensor 1 Connector Manufacturer Sanken Sanken Matsushita Shinmei Murata Matsushita Matsushita Sumitomo JST Location LED1 LED2 SW4 5 SW6 C101 103 R101 R102 PT1 2 CN9 Type SEL6510G SEL6810D EVQ 233 04M SW 114S B 10 50V 0 01µF 1 10W 5 180Ω 1 10W 5 270Ω SMV2RJ B 7 0 16 OM 1S 2 ...

Page 66: ...CBM 262 SERVICE MANUAL 3 15 Parts List Location for SA Connect PCB 1 Revision Up List Rev No 1 Date Jun 18 1996 Sheet No 1 1 ...

Page 67: ...CBM 262 SERVICE MANUAL 3 16 Sample layout Connect PCB 1 Parts side Soldered side ...

Page 68: ...6198 404 C6198 502 C5270 053 C4922 181 C4922 000 Part Name SA Connect PCB 1 Connector Connector Connector Connector Connector Cap Chip Res Chip Res Chip Manufacturer JST Molex Molex Molex JST Murata Matsushita Matsushita Location CN10 CN11 CN12 CN13 CN14 C201 205 207 R201 R202 JP201 Type 13FE BT VK N 53047 0410 53047 0610 5267 04AX S2B PH K S B 10 50V 0 01µF 1 10W 5 180Ω 1 10W 0Ω Jumper ...

Page 69: ...CBM 262 SERVICE MANUAL 3 18 Parts List Location for SA Connect PCB 2 Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 70: ...CBM 262 SERVICE MANUAL 3 19 Sample layout Connect PCB 2 Parts side Soldered side ...

Page 71: ...04 C6196 806 C6198 502 C5270 053 C4922 181 C4922 000 Part Name SA Connect PCB 2 Connector Connector Connector Connector Cap Chip Res Chip Res Chip Manufacturer JST Molex Molex JST Murata Matsushita Matsushita Location CN15 CN16 CN17 CN19 C301 304 306 307 R301 R308 R302 JP301 Type 13FE BT VK N 53047 0410 53047 0610 S2B PH K S B 10 50V 0 01µF 1 10W 5 180Ω 1 10W 0Ω Jumper ...

Page 72: ...CBM 262 SERVICE MANUAL 3 21 Drawing No 1 Parts List Location for General Assembly Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 73: ...CBM 262 SERVICE MANUAL 3 22 Drawing No 1 General Assembly ...

Page 74: ...PC23602 0 PC24102 0 PC68700 0 E00120 08 E00130 04 PC67790 0 E11130 06 PC22003 0 T6115 01 PC54108 0 PC99906 0 PC99907 0 PC59902 0 PC54107 0 PC54106 0 Part Name Cover Window Cover J Cover R Plate Magnet Spool Partner O Ring P8 Spool Plate Writing Case L Lever End Switch Spring Coil NE Holder Switch NE SA Paper Near End Sensor 1 Screw PH M2 8 Screw PH M3 4 SA Earth Wire 1 Screw PHT ST M3 6 Screw Swit...

Page 75: ...CBM 262 SERVICE MANUAL 3 24 Drawing No 2 Parts List Location for Mechanism Unit Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 76: ...CBM 262 SERVICE MANUAL 3 25 Drawing No 2 Mechanism Unit ...

Page 77: ...0 0 PC67792 0 PC67730 0 PC66730 0 PB99801 0 E00123 05 PC67740 0 PC69920 0 C6005 100 C6006 100 Part Name Unit Printer LT 283 for Journal Belt Timing Winder Screw PH M3 4 SA Connect PCB 2 Screw PHT ST M3 6 SA Connect Cable 2 Bracket J Screw PHT ST M2 6 5 SA Earth Wire 2 SA Head Cable 2 SA Winder Plate Gear Spool E Ring 3 Gear Spool Idle Spring Spool Pulley Winder Plate Main Leg Screw PHT ST M3 8 Aut...

Page 78: ...CBM 262 SERVICE MANUAL 3 27 Drawing No 3 Parts List Location for Electrical Component Unit Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 79: ...CBM 262 SERVICE MANUAL 3 28 Drawing No 3 Electrical Component Unit RS 232C I F Centronics I F ...

Page 80: ... 0 E11130 08 PC66805 0 PC66807 0 PC54102 0 Part Name Screw TP ST M3 6 Screw I F mm Unit Main PCB with ROM Unit Main PCB with ROM Screw PHT ST M3 6 Plate Bottom Serial Cover DIP Switch Screw PH M3 4 Screw PH M3 4 Leg Screw PHT ST M3 8 Unit Main PCB with ROM Unit Main PCB with ROM Plate Bottom Parallel Remark for RS 232C I F for RS 232C I F Japan for RS 232C I F USA Europe for RS 232C I F for RS 232...

Page 81: ...CBM 262 SERVICE MANUAL 3 30 Recommeded Spare Parts List Revision Up List Sheet No 1 1 Rev No 1 Date Jun 18 1996 ...

Page 82: ... End Sensor 1 Unit Printer LT 283 for Journal Belt Timing Winder SA Connect PCB 2 SA Connect Cable 2 SA Head Cable 2 Gear Spool Idle Spring Spool Pulley Winder Auto Cutter ACS 120 SA Connect PCB 1 SA Connect Cable 1 SA Ope Pane Cable 1 SA Ope Pane PCB 1 Unit Printer LT 283 for Receipt SA Head Cable 1 Unit AC Adapter Jap Cord Set Jap Black Unit Main PCB with ROM Unit Main PCB with ROM Unit Main PCB...

Page 83: ...CHAPTER 4 APPENDIX ...

Page 84: ...CHAPTER 4 Appendix Contents External View 4 1 ...

Page 85: ...CBM 262 SERVICE MANUAL 4 1 EXTERNAL VIEW ...

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