Service manual

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.