Chapter 1010-1310.4.2.4 Rated Output of the All-Night Power Supply PCB 0006-5646iR2270 / iR2870 / iR3570 / iR4570The following are the ratings and the power supply tolerances of the all-night power supply PCB:T-10-1010.4.3 Protection Function10.4.3.1 Protective Mechanisms 0006-5396iR2270 / iR2870 / iR3570 / iR4570The machine's DC power supply PCB and accessories power supply PCB are equipped with an over-currentprotective mechanism and an over-voltage protective mechanism that will automatically shut off the output voltageto protect its electrical circuitry in the event of a short circuit or other fault in any of its loads causing over-current.In the event of a fault in the 3 VB power (all-night power supply), all supplies of power will be shut off. A fault inother power supplies will shut off power to all loads except for 3 VB.If a malfunction occurs in 3VB (all-night power supply), it is necessary to turn off the main power switch of theprinter unit, remove the cause triggering the protection circuit, and replace the all-night power supply PCB. (The fuseof the all-night power supply PCB is likely to have blown.)For other cases than above, the protection circuit can be reset by turning off the main power switch of the printer unit,removing the cause triggering the protection circuit, leaving the printer unit alone for more than 3 min, and tuningon the power again.10.4.4 Backup Battery10.4.4.1 Backup Battery 0008-0861iR2270 / iR2870 / iR3570 / iR4570Power supply tolerance +/-5% (from 0.1A to 6.5A)+8%,-6% (from 0A to 0.1A, from 6.5 to 12A)Output 3VBAll-night/non-all night all nightRated output 3.4VPower supply tolerance +/-3%Output 24VA
