Bixolon Receipt Printer SRP-270 User Manual

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Rev. 3.02 
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SRP-270
8-8-3 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. 
 
* Adjustment of Head gap 
 
Adjustment 
Step 
Description Points 
in Adjustment 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
• Rotate Gear lst Reduction to move the Head unit 
to L side. 
 
• Insert the thickness gauge between Head unit and 
Platen, then rotate the Ad. 
Level L and adjust the gap. 
 
 
 
• Move the Head unit then check if the proper 
gap from R side center has been achieved. 
 
• If Head gap is not proper, adjust Head gap by 
rotating Ad.Lever R. 
 
 
 
- Appropriate gap: 0.50~0.60mm 
 
 
 
 
 
 
- In order to make the gap narrow 
(wide), turn Ad. 
Lever to mark ’-(+)’ 
 
 
 
 
 
 
 
 
 
- If gap is not correct, repeat once 
more. 
 
(Replacement of Head unit) 
 
 
 
 
Follow below steps for replacing Head unit 
 
1. Loosen the Ribbon frame 
 
2. Disassemble the Head unit from the Head Carriage and take out the Head FPC from the connector of 
PCB Assy. 
 
4. Replace the Head unit and assemble, according to the order of sub Aassy-1 
 
5. After assembling, adjust the gap as above “Adjustment” indicates. 
 
6. Assemble the Ribbon Frame.