3.1 Parts List ..................... 10 3.2 Exploded View 1 ..................12 3.2 Exploded View 2 ..................13 4 iDP3240 CIRCUIT DIAGRAMS ..........14 4.1 Parts List for Control PCB Assy ..............14 4.2 Block diagram .................... 18 4.3 Parts Layout Drawing ................. 19 4.3.1 Control PCB Assy –Top side of the board...
SERVICE MANUAL 1. MECHANISMS AND OPERATING PRINCIPLES The basic mechanism of the printer and their operating principles are explained for each block as follows: • Power transmission and mechanism for feeding recording paper • Sensor mechanism • Print head mechanism 1.1 Power transmission and mechanism for feeding...
SERVICE MANUAL 1.2 Mechanism for attaching and detaching the platen roller The platen roller, which is a part of the mechanism for feeding recording paper, is removable with this printer. The platen roller, which has the platen gear, platen bushings and platen holder attached, comprises a platen roller unit.
SERVICE MANUAL 1.3.2 Paper-near-end sensor The paper-near-end sensor detects when the remaining amount of recording paper becomes small. When the remaining amount of recording paper decreases (about 50 cm to 2 m for specified recording paper), the outside diameter of the paper roll becomes small with its edge surface getting out of the range of the sensor.
SERVICE MANUAL 1.4.2 Print data and print position The 832-bit print data numbered 1 to 832 and transferred by DATA IN (DI) are printed at the positions indicated in the following diagram. Direction of paper feed Direction of paper feed...
SERVICE MANUAL 2. DISASSEMBLING AND ASSEMBLING METHODS The following precautions should be adhered to at the time of maintenance. (1) Do not disassemble, assemble or adjust the printer if it is operating satisfactorily. In particular, do not carelessly loosen the screws holding various parts in place.
SERVICE MANUAL 2.2.3 Remove the top cover: (1) Disengage the wire springs from the hooks on the top cover, and then remove the platen roller SA. (2) Remove screws M3×8 (three locations). (3) Placing the printer upside down, insert a flat-end screwdrive into the gap between the case...
SERVICE MANUAL 2.2.6 Remove the pressure roller: Roller (1) Remove the 2 M2.6×6 Screws from Roller holder Pan head screw M2.6 × 6 the printer cover. (2) Bend the roller spring to remove it Roller spring from the roller holder.
SERVICE MANUAL 2.2.10 Remove the thermal head from the chassis: (1) Remove the 2 M3×4 screws holding the Connecting cable head from the underside of the chassis. (2) Detach the cable on the underside of the chassis from hooks.
SERVICE MANUAL 2.2.13 Remove the wire springs from the chassis: (1) Raise the wire springs until vertical, then Wire spring push them down (with care not to deform them) to remove. Chassis Note: Assemble all parts by following the disassembling procedure in reverse order.
SERVICE MANUAL 3. MECHANICAL SERVICE PARTS LIST 3.1 Parts List Q’ty Ref. No. Parts No. Description Remarks 3240 E4002-620 CHASSIS E8510-050 MOTOR Assy E8010-380 MOTOR BK E8017-110 MOTOR (SMB40-4850-D) SCREW,PH,M3 × 5 23G 75069 E6601-430 WIRE SP E620 20430...
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SERVICE MANUAL Q’ty Ref. No. Parts No. Description Remarks 3240 PLATEN PLATEN BUSHING PLATEN GEAR PLATEN HOLDER E-RING No.4 AC ADAPTER 31AD E6100-735 AC CORD SET-1 (JPN) E6100-730 AC CORD SET-2 (USA) E6100-765 AC CORD SET-3 (EUR) E5103-560 Switching plug KPR-25-B...
SERVICE MANUAL 4 iDP3240 CIRCUIT DIAGRAMS 4.1 Parts List for Control PCB Assy Q’ty Ref. No. Parts No. Description Remarks GATE ARRAY FLASH-ROM 4M product DC/DC CONVERTER RESET IC IC7,8 INTERFACE IC7,8 H-CMOS H-CMOS IC101 IC101 KANJI ROM Only mounted for JPN...
SERVICE MANUAL 4.2 Block diagram OSC 20MHz Flash Memory Feed Switch Print Head Cover Switch Cutter Driver DIP Switch Paper Near-end Paper End Stepping Driver Motor DC 5V DC 24V Driver Interface Reset Power Source DC 24V 1.8A Drawer1...
SERVICE MANUAL 5. TROUBLESHOOTING 5.1 Troubleshooting Procedure When a trouble occurs, be sure to ascertain the phenomenon and then determine where the problem is located in accordance with “(2) Repair guide”. Then remedy in accordance with the specified repair method.
SERVICE MANUAL 5.2 Repair guide 5.2.1 Faulty power supply Phenomenon Cause Check Method Repair Method Power does not come The AC adapter is not Connect the designated ON. (POWER lamp connected. AC adapter. does not light up.) Fuse is blown.
SERVICE MANUAL 5.2.2 Faulty printing Phenomenon Cause Check Method Repair Method Printer doesn’t Improper power supply. Check if designated AC Use designated AC adapter. print. adapter is used. Improper mounting of Check the mounting of Mount the control board the control board.
SERVICE MANUAL 5.2.3 Faulty feeding of recording paper Phenomenon Cause Check Method Repair Method Recording paper Improper connection of Check the state of the Connect the connector is not fed. Or motor connector. connection of the correctly. feeding is connector.
SERVICE MANUAL 5.2.4 Faulty sensor Phenomenon Cause Check Method Repair Method No detection of Defective paper sensor. Replace the thermal head Replace the PE sensor whether or not assembly and check if assembly. recording paper is operation is normal. Confirm present.
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