Samsung 275C - SRP Two-color Dot-matrix Printer Servisní příručka stáhnout pdf (Strana 112)

Rev. 2.00

- 112 -

SRP-275

6. Adjustments and Maintenance

6-1 Adjustment

When assembling this printer, be sure to refer to the required adjustment procedure. To ensure normal

operation of the printer after disassembly or replacement of a Component for maintenance or repair. Be sure

to perform along to the required method.

6-1-1 Adjustment of Head gap

Adjustment step and description points In Adjustment

1) Move the Printer-head to L side.

2) Insert the thickness gauge between Printer-head and platen, then

rotate the AD-lever L and adjust the gap.

Gap 0.40~0.50

Printer-head

Frame-main

Platen

Holder platen

3) Move the Printer-head then check if the proper gap from R side

center has been achieved.

4) If head gap is not proper, adjust head gap by rotating AD-lever R.

Appropriate gap: 0.40~0.50mm

In order to make the gap narrow

(wide), turn AD-lever to mark

‘-(+)’

If gap is not correct, repeat once

more.

6-1-2 Replacement of Printer-head

Follow below steps for replacing Printer-head.

1) Loosen the Frame-ribbon.

2) Disassemble the Printer-head from the Carriage head ass’y and take out the FPC-head from the

connector of PCB ass’y.

3) Replace the Printer-head and assemble, according to the order of Sub-assembly E.

4) After assembling, adjust the gap as above “Adjustment” indicates.

5) Assemble the Frame-ribbon.

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Samsung 275C - SRP Two-color Dot-matrix Printer Servisní příručka Strana 112