DARLAS S-300-2 Installation Instructions Manual Download Page 3 | Manualshive

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DARLAS_300_2

ODME PRINTER INTERFACE

Update for MK-I and MK-II Calculator

Page :3/8

DARLAS_300_2 MK-
II_R3_update.doc

Connect the paper fault cable with cable facing outside of the printer side.

Check the Dip Switch to make sure it is set in the Hengstler position.

Paper fault connector
Cable should be turned to
look outside printer

Put Dip Switch in Hengstler Position

RTx from calculator

TDx to printer

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Summary of Contents for S-300-2

Page 1: ... or Colleague WARNING BEFORE YOU START THE PRINTER UPGRADE JOB PLEASE READ CAREFULLY THE PRESENT INSTRUCTIONS At the end of the job you are kindly requested to send us a small e mail message at technical darlas gr letting us know the results of this project We are wishing you GOOD LUCK Very Best Regards Darlas Electronic Applications Technical Department 5 Kimonos Str 122 44 Egaleo Athens Greece P...

Page 2: ... new cable Prepare the new printer Make sure that Megatron DIP switches are set as follows SW1 1 and SW1 2 OFF all other ON and short circuit between J9 2 J9 3 Use printer card interface DARLAS 300 2 Dismantle the three screws of the printer board mount in their place the three thread extension rods supplied and then install the interface card on the top of these three thread extension rods Put ba...

Page 3: ..._R3_update doc Connect the paper fault cable with cable facing outside of the printer side Check the Dip Switch to make sure it is set in the Hengstler position Paper fault connector Cable should be turned to look outside printer Put Dip Switch in Hengstler Position RTx from calculator TDx to printer ...

Page 4: ...dismount completely the printer window Hengstler printer and Hengstler paper roll To replace the printer window it s necessary use the mechanical plate H300_2_MEC01_MKII supplied with your kit This will permit you to replace the old Hengstler printer support mechanism and will also work as a facial panel and support for your new Megatron printer Printer window Paper roll Hengstler printer ...

Page 5: ..._300_2 MK II_R3_update doc Make on Calculator some minor electronic modifications The modification is very simple On the Power Supply Regulation Board P N ES663 101 it s necessary to short out the D23 The easiest way to do this is to do it on the solder side of the board Short circuit D23 ...

Page 6: ...S 663 150_R3_Details 6 to R3 This is a connection that you must solder manually on the lower end of the Resistor R3 of the Video Display Unit Printed Circuit Board ES663 150 VDU PCB of the calculator as shown above In more details what you have to do is to connect the small cable with the connector at the lower end of the resistor R3 which is adjacent to the components CI2 and crystal XTAL Q3 As s...

Page 7: ...per holder 6 Make a frank cut at the end of the new paper roll but do not install it on the support printing would start immediately The strip of paper must hang forward to the roll Insert the extremity of the paper between the two lips of the printing head 9 the first lip is in plastic and the second is in metal For the MRS x2xx put the strip of paper between the paper rewinder 10 and the back of...

Page 8: ...er towards the outside thanks to the paper feed button if the printer is not under power it is possible to pull the paper by hand under the condition of not pulling it too fast 6 Put back the panel 3 having made the paper cross through the plexiglas window 5 Plug the low part of the panel at the top of the door hinge 6 then stick it to the revolving door 7 For the MRS x1xx Go directly to the step ...

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