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TEC Thermal Printer
B-570 SERIES
Maintenance Manual
Document No. EM18-33010A
Original Nov., 1993
(Revision Apr., 1994)
PRINTED IN JAPAN
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EM18-33010A (Revision Date Feb. 01 ’96) TABLE OF CONTENTS Page 1. UNPACKING ...................................................................................................... 1- 1 1.1 Procedures .................................................................................................. 1- 1 1.2 Checks ........................................................................................................ 1- 1 2. MAJOR UNIT REPLACEMENT ..................................................
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EM18-33010A 1. UNPACKING (Revision Date Sep. 14 ’95) 1.1 Procedure 1. UNPACKING 1.1 PROCEDURE 1) Open the carton. 2) Unpack the accessories from the carton. 3) Unpack the side pad (L)/(R) and the printer from the carton. 4) Place the printer on a level surface. Unpacking Owner’s Manual Procedure Rewinder Side Pad (L) Guide Plate Rear Pad Power Cord Thermal Printer Side Pad (R) Head Cleaner Supply Holder Carton Fig. 1-1 1.2 CHECKS 1) Check for any damage or scratches on the machine. 2) Confirm t
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Dec. 09, ’94) 2. MAJOR UNIT REPLACEMENT 2. MAJOR UNIT REPLACEMENT WARNING! Disconnect power cord before replacing important parts. CAUTION: 1. NEVER separate the ribbon motors from the attaching plate (bracket), because doing so will change their adjustment. (See Fig. 2-8) 2. NEVER remove the two screws painted red on the side of the print block. (See Fig. 2-13) 3. NEVER remove the four screws on the side of the print block. (See Fig. 2-
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Oct. 14, ’94) 2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD 2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD CAUTION: Replace only with same type and ratings of fuse for continued protection against risk of fire. 1) Remove the three FL-4x6 screws and disconnect the two connectors to detach the PS unit. 2) Remove the FL-3x5 screw and the four locking supports to remove the I/F PC board. I/F PC Board Locking Support Screw (FL-
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.1 REPLACING THE PS UNIT, I/F PC BOARD AND CPU PC BOARD 6) Adjust the ribbon end sensor. Use the following Ribbons; TTM-78 (Maker: Fujicopian) 1 Set the ribbon so that the ribbon end sensor can detect the ribbon. Turn the power on. 110 2 Turn the VR2 so that the voltage between Pin 1 (GND) and Pin 7 of CN10 is 3.0 ± 0.2 V with CN8 CN9 CN10 RA9 an oscilloscope. 3 Turn the power off and mount the left side CN7 cover and top cover. IC16 RA10 RA11 VR1 VR2 IC30
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.2 REPLACING THE STEPPING MOTOR 2.2 REPLACING THE STEPPING MOTOR 1) Remove the two black screws to detach the front plate, remove the two FL-4x6 screws to detach the belt cover. Front Plate Belt Cover Black Screw Screw (FL-4x6) Fig. 2-6 2) Unclamp and disconnect the connector from CN14 on the CPU PC board. 3) Remove the two SM-4x8B screws, loosen the two belts from the pinion gear, and remove the stepping motor. Partition Platen Belt Screw (SM-4x8B) CPU PC
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.3 REPLACING THE RIBBON MORTORS 2.3 REPLACING THE RIBBON MOTORS CAUTION: NEVER separate the ribbon motors from the attaching plate because doing so will change their adjustment. 1) Disconnect the connector and remove the two SM-3x5B screws to detach the ribbon motors. FLOIL G-488 FLOIL Attaching Plate FLOIL G-488 Ribbon Motor Screw (SM-3x5B) Connector (Red) Connector (Black) Dowels Attaching Plate Ribbon Motor Fig. 2-8 Screw (SM-3x5B) 2) Replace the ribbon
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.5 REPLACING THE SOLENOID 2.5 REPLACING THE SOLENOID NOTE: The following procedure can be employed without removing the top cover and left side cover. 1) Before removing the ribbon stopper, check its attaching direction for later installation. Remove the ribbon stopper from the ribbon shaft on which the ribbon is wound. 2) Remove the two SM-4x8B screws, disconnect the connector CN1 on the RSV PC board to detach the solenoid unit. Connector CN1 (3 pin) Scre
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.5 REPLACING THE SOLENOID NOTE: Make sure to remove any dust that appears during removal or installation because it may affect the print quality. 4) Replace the solenoid and attach it to the solenoid attaching plate. 5) Assemble the solenoid unit so that the head up link engages the spring pin. Head Up Link Solenoid Fig. 2-12 Spring Pin CAUTION: Take care to orient the screws so that they are vertically aligned with the solenoid attaching plate. 6) Reassemb
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Feb. 01, ’96) 2.6 REPLACING THE PRINT HEAD 2.6 REPLACING THE PRINT HEAD CAUTION: 1. NEVER touch the element when handling the print head. 2. NEVER touch the connector pins to avoid a breakdown of the print head by static electricity. 3. NEVER remove the two screws painted red on the side of the print block. 4. NEVER remove the four screws on the side of the print block. 5. NEVER remove the print block, otherwise it requires the adjustment of t
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Feb. 01, ’96) 2.6 REPLACING THE PRINT HEAD n Adjusting the print head position 1 Fit the jig in the platen and strip shaft. 2 Press the jig at an angle of 45° until it is sung against the print head. Then secure the print head. Platen Print Head Jig Strip Shaft Ceramic Platen Strip Shaft Fig. 2-14 3 Remove the jig. 4 Refer to page 6-43 and clear the maintenance counter. 5 Refer to page 6-31 and perform test print. NOTE: Use caution to prevent
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Feb. 01, ’96) 2.6 REPLACING THE PRINT HEAD 2.6.2 New type print head NOTE: NEVER loosen screws other than two SM-4x8B. 1) Turn the head lever clockwise to lower the print head. Remove the two SM-4x8B screws. 2) Turn the head lever counterclockwise and disconnect the two connectors to detach the print head from the print block. Screws Screw (SM-4x8B) (NEVER remove these screws.) Print Block Connector B Screws painted red A (NEVER remove these
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.6 REPLACING THE PRINT HEAD Print Head Bracket Print Head b (securing the print head) b c A c (securing the adjusting pin) (Print Head Position Fig. 2-16 Adjusting Pin) (1) Loosen the screws c securing the print head position adjusting pin. (2) Loosen the screws b one by one, slightly move the print head backward or forward, and then tighten the screws b and c . Ensure that the print head is parallel to the platen. If not, print tone w
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Sep. 29, ‘95) 2.7 REPLACING THE PLATEN AND FEED ROLLER 3) Disconnect the connector for the strip sensor (LED). 4) Remove the six screws (FL-4x6, B-4x12 and P-3x12) to detach the right plate ass’y. Right Plate Screw (B-4x12) Screws painted red Connector (NEVER remove these screws.) Strip Sensor (LED) Screw (FL-4x6) Screw (B-4x12) Screw (P-3x12) Fig. 2-18 NOTE: The machine with a serial number of 4T x x x x x x or later is not equipped with the
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EM18-33010A 2. MAJOR UNIT REPLACEMENT 2.8 REPLACING THE PAPER SENSOR 2.8 REPLACING THE PAPER SENSOR NOTE: Turn the knob until the paper sensor reaches full forward. 1) Disconnent the connector for the strip sensor (LED) to remove right plate ass’y. (See Figs. 2-17 and 2-18.) 2) Disconnect the connectors for the paper sensor. 3) Remove M1.5 E-ring, M3 washer and paper sensor unit. 4) Remove M1.5 E-ring, turn the knob counter clockwise, then remove the paper sensor. Connector (4 pin) Paper Sensor
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Sep. 29, ’95) 2.10 REPLACING THE PINCH ROLLER SHAFT ASS’Y 2.10 REPLACING THE PINCH ROLLER SHAFT ASS’Y 1) Turn the head lever to position 3 , and release the ribbon shaft holder plate. 2) Remove the black screw to detach the media guide plate. Media Sensor B 1.5 mm~2.5 mm B Printer Block Base Media Guide Plate Black Screw Fig. 2-22 (HAA-0004001) 3) Remove the SM-4x8B screw to detach the spring plate. 4) Remove the six B-4x12 screws to detach t
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Sep. 29, ’95) 2.10 REPLACING THE PINCH ROLLER SHAFT ASS’Y n Adjustment 1. Install the pinch roller unit so it parallels the base. If it does not, change the engaging position of the pinch roller belt and the pulley. Pinch Roller Belt Pinch Roller Unit Pulley Base Fig. 2-24 2. Attach the jig to the platen, feed roller and pinch roller shaft as shown in the figure below. Then attach the pinch roller cover to the pinch roller frame with the thre
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EM18-33010A 2. MAJOR UNIT REPLACEMENT (Revision Date Sep. 29, ’95) 2.10 REPLACING THE PINCH ROLLER SHAFT ASS’Y 3. Turn the head lever clockwise to lock the pinch roller shaft ass’y. Attach the spring plate to the pinch roller frame with the two SM-4x8B screws, pushing the spring plate toward the rear of the printer. SM-4x8B Spring Plate Pinch Roller Frame Pinch Roller Shaft Ass’y Fig. 2-26 NOTE: Check that the pinch roller shaft ass’y moves up and down smoothly when turning the head lever clo
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EM18-33010A 3. INSTALLATION PROCEDURE FOR THE OPTIONAL EQUIPMENT 3.1 HIGH SPEED PC INTERFACE BOARD (B-4800-PC-QM) 3. INSTALLATION PROCEDURE FOR THE OPTIONAL EQUIPMENT WARNING! Make sure to unplug the power cord before installing the optional equipment. 3.1 HIGH SPEED PC INTERFACE BOARD (B-4800-PC-QM) The high speed PC interface board can be used together with the IBM PC-AT or its compatible machine only. Q’ty/Unit Description Q’ty/Unit Description 1 Locking support 2 BPE PC board 1 Program diske
