Service manual

Confidential BTP-M280 Service Manual
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5.2 Printer adjustment
5.2.1 Print distance adjustment
1) Turn off the power.
2) Disassemble the cover according to step in chap. 4.2.1 after the print head cool down.
3) Measure the print distance by gauge and compare with standard distance(0.5±0.05mm), if the
distance is bigger than standard distance, please rotate the eccentric wheel both side in direction
until the print distance measures up; If the print distance is less than standard distance, please ①
rotate the eccentric wheel both side in direction until the print distance measures up.②
4) Fix the eccentric wheel with glue.
5) Install the cover according to chapter 4.2.1.
Notice：
 In disassembling the printer cover, please use moderate force to avoid damaging the cover.
 In reassembling, please fix all screws firmly.
5.2.2 Tight denti-form belt of carriage
1) Turn off the power.
2) After the print head cool down, open the front cover and take ribbon off.
3) Unscrew the 2 ST2.9X6 screws, tighten the denti-form belt in shown direction(apx 1~2 kg), then
fix the 2 screws.