TEC B-680 Series User manual
PRINTED IN JAPAN
TEC Thermal Printer
B-680 SERIES
Original Apr., 2000
(Revised )
Document No. EO18-33006
Maintenance Manual
NOTES: 1. Manual instructions must be followed when installing option kits or adding cables
to avoid system failures and to insure proper performance and operation.
2. Failure to follow manual instructions or any unauthorized modification,
substitution or change to this product will void the limited product warranty.
WARNING!
Follow all manual instructions. Failure to do so could create safety hazards such as fire or
electrocution.
Page
EO18-33006
CAUTION:
1. This manual may not be copied in whole or in part without prior written permission of
TOSHIBA TEC.
2. The contents of this manual may be changed without notification.
3. Please refer to your local Authorized Service representative with regard to any queries
you may have in this manual.
Copyright © 2000
by TOSHIBA TEC CORPORATION
All Rights Reserved
570 Ohito, Ohito-cho, Tagata-gun, Shizuoka-ken, JAPAN
TABLE OF CONTENTS
1. UNPACKING ...................................................................................................... 1- 1
1.1 PROCEDURES........................................................................................... 1- 1
1.2 CHECKS ..................................................................................................... 1- 1
2. MAJOR UNIT REPLACEMENT.......................................................................... 2- 1
2.1 REPLACING THE CPU PC BOARD........................................................... 2- 2
2.2 REPLACING THE PS UNIT ........................................................................ 2- 3
2.3 REPLACING THE STEPPING MOTORS AND BELTS .............................. 2- 4
2.4 REPLACING THE RIBBON MOTORS........................................................ 2- 5
2.5 REPLACING THE PRINT HEAD ................................................................ 2- 5
2.6 REPLACING THE PLATEN ........................................................................ 2- 6
2.7 REPLACING THE ROLLER BELT AND FEED ROLLER ........................... 2- 7
2.8 REPLACING THE MEDIA SENSORS ........................................................ 2- 9
2.9 REPLACING THE I/O PC BOARD............................................................. 2-10
2.10REPLACING THE EXP I/O PC BOARD .................................................... 2-12
2.11REPLACING THE CENTRO PC BOARD .................................................. 2-12
2.12PERIODIC MAINTENANCE PROCEDURE............................................... 2-13
3. INSTALLATION PROCEDURE FOR OPTIONAL EQUIPMENT ........................ 3- 1
3.1 CUTTER MODULE (B-4208-QM) ............................................................... 3- 1
3.2 STRIP MODULE (B-4908-H-QM) ............................................................... 3- 4
3.3 PCMCIA PC BOARD (B-8700-PC-QM) ...................................................... 3- 5
4. MECHANISM DESCRIPTION ............................................................................ 4- 1
4.1 CUTTER DRIVE.......................................................................................... 4- 1
5. TROUBLESHOOTING........................................................................................ 5- 1
6. DIAG. TEST OPERATION.................................................................................. 6- 1
7. ONLINE OPERATION ........................................................................................ 7- 1
7.1 RESET OPERATION .................................................................................. 7- 1
7.2 DUMP MODE.............................................................................................. 7- 2
8. PROGRAM DOWN LOAD .................................................................................. 8- 1
8.1 OUTLINE OF FEATURES .......................................................................... 8- 1
8.2 SOFTWARE INSTALLATION ..................................................................... 8- 1
8.3 FIRMWARE DOWNLOAD .......................................................................... 8- 4
1-1
EO18-33006
1.1 PROCEDURE
1. UNPACKING
1.2 CHECKS
1) Check for damage or scratches on the machine.
2) Confirm that none of the accessories are missing.
NOTE: Keep the carton and side pads for later transport.
Carton
Thermal printer
Side Pad (L)
Accessory Board
Left/Right Side Holders Holder Shaft
Owner’s Manual
Unpacking
Procedure
Holder Base
Media
Holder
Thumbscrew (M-4x6)
Power Cord
Print Head Cleaner
Side Pad (R)
1. UNPACKING
1.1 PROCEDURE
1) Open the carton.
2) Unpack the accesories from the carton
3) Unpack the side pads (L)/(R) and the printer from the carton.
4) Place the printer on a level surface.
Fig. 1-1
2-1
EO18-33006
2. MAJOR UNIT REPLACEMENT
CAUTION:
1. NEVER separate the ribbon motors from the attaching plate (bracket), because doing so will
change their adjustment. (See Fig. 2-7)
2. NEVER remove the two screws painted red on the side of the print block.
3. NEVER remove screws unless directed to do so in this manual. Removing screws may change
pre-set adjustments.
WARNING!
CAUTION:
1. Lubrication: During parts replacement
2. Kinds of oil: FLOIL G-488: 1 Kg can. (Parts No. 19454906001).
3. Do not spray the inside of the printer with lubricants. Unsuitable oil can damage the mechanism.
Screw (B-4x6)
Screw (B-3x8)
Left Side Cover
Bottom Plate
Top Cover
Screw (FL-4x6)
Right Side Cover
Screw (B-3x8) Fig. 2-1
2. MAJOR UNIT REPLACEMENT
Disconnect power cord before replacing important parts.
1) Turn the power off.
2) Open the right side and top covers.
3) Remove the six screws (FL-4x6, B-4x6 and B-3x8) to detach the left side cover.
4) Remove the (B-3x8) screw to remove the bottom plate.
NOTE : Instructionstoopenthetopandrightsidecoversandtoremovetheleftsidecoverareomitted
from each removal/installation procedure provided below.
■Lubrication
All machines are generally delivered in their best condition. Efforts shoud be made to keep them that
way. Lack of oil, or the presence of debris or dust, may cause an unexpected failure. To maintain in
optimaloperatingcondition, periodicallycleanthemachine andapplytheproperkindsofoiltoeachpart
in which librication is needed.
Although the frequency of lubrication varies according to how often the machine is used, as a minimum
it is necessary to lubricate before any part becomes dry. It is also necessary to wipe off excessive oil
or it will collect dirt.
2. MAJOR UNIT REPLACEMENT
2-2
EO18-33006
2. MAJOR UNIT REPLACEMENT
2.1 REPLACING THE CPU PC BOARD
2.1 REPLACING THE CPU PC BOARD
CAUTION:
Replace only with the same type and rated fuse for continued protection against risk of fire.
1) Disconnect the 3 harnesses from CN2, CN5, and CN7 on the CPU PC Board.
Fig. 2-2
CAUTION:
Be careful when replacing the CPU PC board, since a non-resettable counter (IC15) is installed on
this board. (Refer to section 6.2.1 Maintenance Counter Printing.) If this counter should be reset,
replace IC15.
Fig. 2-3
2) Remove the 3 screws (SM-3x5 and SM-3x6) to detach the CPU PC board.
3) Replace the CPU PC board and reassemble in the reverse order of removal.
CPU PC Board
CN2 CN5 CN7
CPU PC Board
SM-3x5 Screw
SM-3x6 Screw
2-3
EO18-33006
2. MAJOR UNIT REPLACEMENT
4) Replace the PS unit and reassemble in the reverse order of removal. Insert the PS cable into the
notch A .
Fig. 2-4
2.2 REPLACING THE PS UNIT
2.2 REPLACING THE PS UNIT
CAUTION:
Replace only with the same type and rated of fuse for continued protection against risk of fire.
1) Disconnect the PS cable from CN2 on the I/O PC board.
2) Remove the two screws (FL-4 x 6) to detach the PS unit. Pushing the AC power inlet from behind
will ease the removal of the PS unit.
3) Disconnect the PS cable from the PS unit.
Screw (FL- 4x6)
Screw (FL- 4x6)
PS Cable
I/O PC Board
PS Cable
PS Unit
CN2
I/O PC Board
2-4
EO18-33006
2. MAJOR UNIT REPLACEMENT
4) When replacing the stepping motor, place the platen belt around the pinion gear first, then the feed
rollerbelt,sothatthepartitionispositionedbetweenthetwobelts.Pressdownonthesteppingmotor
with 3.5 Kg –300 g force and secure it so the platen belt and feed roller belt have no slack, are
engaged ,and evenly tense.
5) Reassemble in the reverse order of removal.
Screw (FL-4x6)
Front Plate
Screw (FL-4x6)
Platen Belt Feed Roller Belt
Screw (FL-4x6)
Fig. 2-5
I/O PC Board
Screw (SM-4x8)
Stepping Motor
Fig. 2-6
2.3 REPLACING THE STEPPING MOTOR
1) Remove the 4 screws (FL-4x6) to detach the front plate.
2) Disconnect the cable from CN14 on the I/O PC board.
3) Remove the two screws (SM-4x8), take the two belts off the pinion gear, and remove the stepping
motor.
2.3 REPLACING THE STEPPING MOTOR
CN14
2-5
EO18-33006
2. MAJOR UNIT REPLACEMENT
CAUTION:
NEVER separate the ribbon motor from the attaching plate because doing so will change their
adjustment.
2) Replace the ribbon motors, then align the dowels to attach the ribbon motors. Reassemble in the
reverse order of removal.
2.5 REPLACING THE PRINT HEAD
Attaching Plate
Ribbon Motor
Screw (SM-3x5B)
Riboon Motor
Screw (SM-3x5B) Attaching Plate
FLOIL G-488 Connector
(Red) FLOIL G-488
Connector
(Black)
Dowels
Fig. 2-7
2.4 REPLACING THE RIBBON MOTORS
1) Detach the connector and remove the two SM-3x5B screws to detach the ribbon motors.
NOTE: This procedure can be done without removing the left side cover.
1) Remove the two (B-4x4) screws to detach the head cover plate.
2) Pull right to remove the front shaft.
Head Cover Plate
Screw (B-4 x 4)
Front Shaft Fig. 2-8
CAUTION:
1. NEVER touch the element when handling the print head.
2. NEVER touch the connector pins to avoid damage to the print head by static electricity.
3. NEVER remove the two screwws painted red on the side of the print block.
2.4 REPLACING THE RIBBON MOTORS
2-6
EO18-33006
2. MAJOR UNIT REPLACEMENT
NOTE: Never remove the bracket.
6) Replace the print head and reassemble in the reverse order of removal.
7) Refer to page 6-49 and clear the maintenance counter.
8) Refer to page 6-54 and perform a test print.
2.6 REPLACING THE PLATEN
1) Remove the front plate. (Refer to Fig. 2-5.)
2) Loosen the two screws (SM-4 x 10C) securing the stepping motor.
3) Remove the (FL-4 x 6) screw to detach the platen positioning plate.
4) Take the platen belt off the platen pulley, move the platen fully to the right and remove the platen
from the left end.
Connector
Print Head
Head Fixing Screw
Head Lever
Connecter Fig. 2-9
3) Turn the head lever counterclockwise to lift the print head.
4) Remove the head fixing screw and pull out the print head.
5) Disconnect the two cables and remove the print head.
5) Replace and install the platen, then place the platen belt around the platen pulley.
6) Install the platen positioning plate.
7) Pressdown on the stepping motor with 3.5 Kg –300g force and secure it so the platen belt and the
feed roller belt have no slack, are engaged and evenly tense.
8) Reassemble the remaining parts in the reverse order of removal.
Platen Belt
Platen Pulley
Platen
Screw (FL-4 x 6)
Platen Positioning Plate Fig. 2-10
2.6 REPLACING THE PLATEN
Table of contents
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