Ricoh DD 4450 - PSU Replacement: Thermal Head Voltage Adjustment

Covers and Boards
C279 4-14 SM
4.4.7 PSU
1. Left cover ( p.4-9 "Left Cover")
2. Master eject unit (
p.4-31 "Master Eject Unit")
[A]: PSU (
× 5, × 2, × 2)
When the PSU is replaced, the thermal head voltage returns to the default. Adjust the thermal
head voltage (
p.4-48 "Thermal Head Voltage Adjustment") after installing the new board.