Star Micronics DP8340 Series Operating instructions

DP8340 Series
1st Edition
Issued Date: June 11, 2008
Star Micronics America, Inc.
Repair Manual

!The confidential information of Star Micronics
America, Inc. or its associated company is
recorded in this book.
!So a user has to treat the information concerned
as private information.
!A user must not use this confidential information
except for the purpose of the product repairs.
!Star cannot take any responsibility about the
repair result influenced of this manual.
!Star cannot take any responsibility about the
trouble which caused by 3rd party’s parts or
consumables.
Star Micronics America, Inc.
About This Manual

Rev. #
Date of Issue
Note
1.0
06/11/2007
Release 1st Edition
Star Micronics America, Inc.
Change Record

Please confirm before repair
1. Repair Mechanism
1-1 Removing Printer Cover Unit
(1) Remove Printer Cover Unit-----------------------------------------------1
1-2 Removing Upper Case Unit
(1) Remove Upper Case Unit-------------------------------------------------2
1-3 Removing Control Board Unit
(1) Remove Control Board Unit----------------------------------------------4
1-4 Removing Mechanism Chassis Unit
(1) Remove Mechanism Chassis Unit-------------------------------------5
1-5 Removing Print Head
(1) Remove Print Head--------------------------------------------------------6
1-6 Removing Ribbon Base Unit
(1) Remove Ribbon Base Unit ----------------------------------------------7
1-7 Removing Main Control Board
(1) Remove Main Control Board--------------------------------------------8
2. Notice of the repair operation----------------------------------------------------------9
3. Parts List-------------------------------------------------------------------------------------10
Star Micronics America, Inc.
Table of Contents

Star Micronics America, Inc.
1-1 Removing Printer Cover Unit
1
Please confirm before repair
Turn off the Power Switch Aand disconnect the Power Cable from the outlet.
1. Repair Mechanism
(1) Remove Printer Cover Unit
1-1) Starting from back side gently pull toward front as shown below.

1-2) Turn printer over and pull cover front to back to loosen that pull forward as shown below
(1) Remove Upper Case Unit (You must remove lower case first)
1-1) Remove screws (2) from bottom of printer as shown below.
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1-2 Removing Upper Case Unit
2

3
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1-3) Disconnect Control Panel Unit (part # 87200310)

(1) Remove Control Board Unit
1-3 Removing Control Board Unit
4
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1-1) Remove screws (2) and remove from Upper Case.
1-2) Control Panel Unit shown below

(1) Remove Mechanism Chassis Unit
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1-4 Removing Mechanism Chassis Unit
1-1) Remove screws (4) and flat washers identified by red arrow
1-2) Disconnect frame wires located circled area
1-3) Disconnect the two (2) connectors on Terminal board and gently lift Mechanism.

1-5 Removing Mechanism Chassis Unit
6
(1) Remove Print Head. Part# 89180021
7
4
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1-1) Remove Cover Unit as outlined in section 1.1
1-2) Remove Upper Case as outlined in section 1.2
1-3) Disconnect Print Head cable Aas shown below
1-4) Remove Print Head screws as shown below B
1-5) Remove Print Head
1-5 Removing Motor Unit

(1) Remove Ribbon Base Unit. Part# 87119020
Star Micronics America, Inc.
1-6 Removing Ribbon Base Unit
7
1-1) Remove Cover Unit outlined in section 1.1
1-2) Remove Upper Case Cover outlined in section 1.2
1-3) Remove Springs on both sides as shown below
1-4) Snap Base Unit away from Mechanism
1-5) Slide Ribbon base towards right side and remove

(1) Remove Main Control Board
1-1) Remove Cover unit outlined in section 1.1
1-2) Remove Upper case outline in section 1.2
1-3) Remove Ground wires black (3) from Mechanism outlined in section 1.4
1-4) Remove screws (4) from bottom plate of printer as shown below.
1-5) Separate Control Board and Chassis Unit from Lower Case
1-6) Remove from Chassis Unit
8
1-7 Removing Main Control Board
Star Micronics America, Inc.
Example 1.4
Example 1.6
Chassis Unit

9
2. Notice of the Repair Operation
Star Micronics America, Inc.
Be careful of the handling of a product at the repair as below.
= Storage of a product =
(1) We recommend the following storage condition for our products:
The temperature: Less than 45 degrees.
The humidity: Less than 70%.
A thing without condensation
Dew condensation or humid environment cause rust and damage.
(2) Shut out the sunlight.
(3) Don’t put a product on the floor directly. (Put the product on the palette.)
(4) Cover a product (carton box) for protection of coming dust and such foreign
substance after opening the package.
(5) Don’t put each product without carton box.
= Assembly and checking operation =
(6) We recommend the following working condition for your production line.
Environment
Temperature : Less than 25 degrees.
Humidity : Less than 55%.
(7) Use gloves and finger sack when touch a printer.
(Please do not touch directly with hands.)
If frame or chassis are touched directly with hands, it will become easy to
generate rust.
(8) Protect a product against static electricity.
For example, prepare earth band for workers, ground the working table
and testing tools.
(9) Don’t loose Screws and modify a product.
(10) Don’t connect or disconnect cable (or flat cable) with a product when
test tool power on.
(11) Please replace the cable (or flat cable) to connect with test tool
periodically because the pattern of cable top is easily damaged.
(12) If test tool is damaged, a printer is also damaged.
Therefore be careful of state of test tool. And we recommend to prepare
protection circuit between test tool and our product.
(13) The control board should be passed the customer’s testing.
Because our product may be destroyed if control board is broken.
(14) Since the causes of generating differ, please distinguish and manage
the defect products in a receiving inspection and the assembly line’s
inspection.

Star Micronics America, Inc.
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3. Parts List
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