Printer User Manual

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TOSHIBA Potable Printer

B-EP4DL SERIES

Document No. EO18-33023

Original Sep., 2008

(Revised )

Maintenance Manual

Summary of content (27 pages)

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TOSHIBA Potable Printer B-EP4DL SERIES Maintenance Manual Document No. EO18-33023 Original (Revised Sep.
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WARNING! Follow all manual instructions. Failure to do so could create safety hazards such as fire or electrocution. NOTE: Failure to follow manual instructions or any unauthorized modification, substitution orchange to this product will void the limited product warranty.
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EO18-33023 (Revision Date: Dec. 16, 2008) TABLE OF CONTENTS Page 1. UNPACKING .............................................................................................................. 1- 1 1.1 1.2 Procedure ........................................................................................................................1- 1 Checks.............................................................................................................................1- 1 2. MAJOR UNIT REPLACEMENT..........
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1. UNPACKING EO18-33023 1.1 Procedure 1. UNPACKING 1.1 Procedure 1) 2) 3) Open the carton. Unpack the accessories from the carton. Unpack the printer. NOTE: Keep the carton and pad for future transportation of the printer. 1.2 1) 2) Checks Check for damage or scratches on the machine. Confirm that none of the accessories are missing.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 2. MAJOR UNIT REPLACEMENT WARNING! 1. Disconnect the power cord before installing the main parts. 2. Be careful not to injure your fingers when replacing the main parts. CAUTION! 1. Since a lot of small moulded parts are used in this printer, care must be taken not to damage or lose them. 2. Be careful not to damage the print head while removing and reassembling. 3.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 4) 5) Press the Top Cover Open Button to open the Top Cover. Remove the Left Side Cover in the direction of the arrow. Top Cover Open Button Top Cover Left Side Cover NOTE: The Gears shown in the picture below are not secured and are easily removed. Be careful not to drop and break or lose them. Gear 6) Remove the Right Side Cover and the Front Cover in the direction of the arrow, respectively.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 7) Remove the Front Cover. CPU PC Board Front Cover 6) Disconnect all Connectors and FPC Cable from the CPU PC Board. NOTE: Before disconnecting the FPC Cable, release the Connector Lock. FPC Cable CPU PC Board 7) Connector Lock Disconnect the Earth Terminal from the Drive PC Board.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 8) Open the Hooks, then remove the CPU PC Board from the Front Cover. CPU PC Board Hook Hook 9) Remove the screw, then remove the Earth Terminal. T-2x5 Screw Earth Terminal 10) Replace the CPU PC Board with a new one, then reassemble in the reverse order of removal.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.1 Replacing the CPU PC Board 11) Close the front cover. Front Cover NOTES: 1. Make sure that the pins on the both sides of the front cover are fit in position, as shown in the pictures below. Pin 2. Do not reassemble the Front Cover while the Top Cover Open Button is pressed. Doing so may cause the Top Cover not to open.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.1 Replacing the CPU PC Board NOTE: It is easy to mount the left side cover if you fit the tabs from the LCD side in order, then secure the bottom side. Be careful not to catch the cable by the cover while reassembling. Left Side Cover 13) Mount the right side cover to the printer while fitting the tabs on the right side cover into the slots of the printer enclosure. Fit the tabs A to C into the slots A’ to C’.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.1 Replacing the CPU PC Board NOTES: 1. After replacing the CPU PC Board, refer to the Setting Operation Manual or System Mode Manual and perform the following operations. 1. Perform a RAM clear. 2. Perform the sensor adjustment. 2. After replacing the CPU PC Board, perform an LED check in the system mode and make sure the LED lights properly.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.2 Replacing the LCD Unit 2.2 1) 2) Replacing the LCD Unit Remove the Right Cover, Left Cover, Front Cover and CPU PC Board. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the three screws, then remove the LCD Unit. T-2x5 Screw Screw LCD Unit 3) Replace the LCD Unit with a new one, then reassemble in the reverse order of removal. 4) After replacing the LCD unit, perform an LCD check in the system mode and make sure none of dots are missing.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.3 Replacing the Peel-off Roller 2.3 1) 2) Replacing the Peel-off Roller Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two Roller Clips with a straight slot screwdriver, then remove the Peel-off Roller Ass’y. Roller Clip Straight Slot Screwdriver Peel-off Roller Roller Clip 3) Remove the two Peel-off Rollers and the two Roller Clips from the Roller Shaft.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.4 Replacing the Peel-off Sensor 2.4 1) 2) 3) Replacing the Peel-off Sensor Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Disconnect the Connector from the CPU PC Board. Pull out the Cover Shaft, then remove the Peel-off Sensor Unit. CPU PC Board Connector Cover Shaft Peel-off Sensor Unit 4) Peel Off Sensor Unit Release the Peel-off Sensor Cover from the Hooks.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.4 Replacing the Peel-off Sensor 6) Replace the Peel-off Sensor with a new one, then reassemble in the reverse order of removal. NOTES: 1.Be careful of the orientation of the Peel-off Springs as shown in the picture below when reassembling the Peel-off Sensor Unit. Peel-off Spring R Peel-off Spring L Peel-off Sensor Unit 2. After replacing the Peel-off Sensor, refer to the Setting Operation Manual or System Mode Manual and perform the following operations.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.5 Replacing the Drive PC Board 2.5 1) 2) Replacing the Drive PC Board Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Disconnect all Connectors and FPC Cable from the Drive PC Board. Drive PC Board Drive PC Board NOTE: Before disconnecting the FPC Cable, release the Connector Lock. FPC Cable Connector Lock 3) Remove the Drive PC Board from the Guide.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.6 Replacing the Battery Terminal 2.6 1) 2) 3) Replacing the Battery Terminal Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the Drive PC Board. (Refer to Section 2.5 Replacing the Drive PC Board.) Hold down the Hook and remove the Battery Terminal upward. Hook Battery Terminal 4) Replace the Battery Terminal with a new one, then reassemble in the reverse order of removal.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.7 Replacing the Stepping Motor 2.7 1) 2) Replacing the Stepping Motor Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two screws. Stepping Motor SMW-3x8 Screw 3) 4) Disconnect the Connector from the Drive PC Board. Remove the Stepping Motor. Stepping Motor Connector Drive PC Board Replace the Stepping Motor with a new one, then reassemble in the reverse order of removal.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) 2.8 Replacing the Print Head CAUTION! 1. Before handling the print head, be sure to discharge static electricity in human body through other metals. Failure to do this may damage the print head element. 2. Never touch the print head element directly by hands or hard objects. Doing so will damage the element, causing a dot missing and a print failure.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) 5) Disconnect the Head FPC from the Print Head Connector. NOTE: When reassembling the Head FPC, the contact portion should be faced upward. Print Head Connector Head FPC 6) Remove the Print Head Ass’y. 7) Disconnect the Head FPC Cable from the Drive PC Board Connector.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) 2.9 1) 2) Replacing the Cover Open Switch and Media Sensor (Lower) Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Release the Hooks by pulling the Paper Guides, then remove the Paper Guide Ass’y. Hook Paper Guide Paper Guide Ass’y 3) 4) Remove the Media Sensor Holder and Print Head. (Refer to Section 2.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.9 Replacing the Cover Open Switch and Media Sensor (Lower) 5) Remove the Cover Open Switch (L) and Cover Open Switch (R) from the Base Cover. Cover Open Switch (R) Cover Open Switch (L) Connector 6) Base Cover Replace the Media Sensor (Lower) and Cover Open Switches (L) and (R) with a new one, then reassemble in the reverse order of removal. NOTES: 1.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.10 Replacing the Media Sensor (Upper) 2.10 Replacing the Media Sensor (Upper) 1) 2) 3) Remove the Right Cover, Left Cover and Front Cover. (Refer to Section 2.1 Replacing the CPU PC Board.) Remove the two screws which secure the Outlet Paper Guide Ass’y. Release the Hooks, then remove the Outlet Paper Guide Ass’y. Screw Hook 4) Outlet Paper Guide Ass’y Hook Remove the Media Sensor (Upper). Media Sensor (Upper) 5) Disconnect the cables from the Main PC Board.
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2. MAJOR UNIT REPLACEMENT EO18-33023 2.10 Replacing the Media Sensor (Upper) 5) Replace the Media Sensor (Upper) with a new one, then reassemble in the reverse order of removal. NOTE: After replacing the Media Sensor, refer to the Setting Operation Manual or System Mode Manual and perform the following operations. 1. Perform a RAM clear. 2. Perform the sensor adjustment.
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2. MAJOR UNIT REPLACEMENT EO18-33023 (Revision Date: Dec. 16, 2008) 2.10 Replacing the Platen Ass’y 2.11 Replacing the Platen Ass’y 1) 2) Remove the Upper Sensor Cover. (Refer to Section 2.9 Replacing the Media Sensor (Upper).) Release the Hooks, then remove the Platen Ass’y. Platen Ass’y Hook Hook 3) Replace the Platen Ass’y with a new one, then reassemble in the reverse order of removal. NOTES: 1.
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3. TROUBLESHOOTING EO18-33023 3. TROUBLESHOOTING 3. TROUBLESHOOTING Problems The printer is not turned on. The printer does not print media. (The status indicator blinks in red.) Cause Solution 1. The battery is not loaded correctly. 2. The battery terminal is disconnected from the soldering part. 3. CPU PC board ass'y failure or Drive PC board ass'y failure 1. Re-load the battery correctly. 2. Replace the battery terminal. 1. The media roll is not loaded correctly. 2.
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3. TROUBLESHOOTING EO18-33023 3. TROUBLESHOOTING Problems Cause Solution The printer does not print labels one by one in the strip mode or specified number of labels in the batch mode. 1. The sensors are not adjusted properly. 2. The sensors are not installed properly. 3. The sensors are dirty. 4. The sensors are disconnected from the CPU PC board ass'y. 1. Re-adjust the sensors. A cover open error occurs after closing the media cover. 1. Either side of the media cover is unlocked. 2.