Carriage Unit - Ricoh D124-17 Service Manual

6. Troubleshooting
PSU
The PSU supplies dc current to electrical components and also controls the flow of ac current to the
fusing lamp, dehumidifiers (x4), and anti-condensation heaters (x2).
No.
FU1
FU101
FU102
FU103
FU104

Carriage Unit

HRB
The HRB behind the print heads relays signals to the control board from the horizontal encoder sensor,
DRESS sensor, and thermistors.
692
Capacity
T10AH/250V
T2.5AL/250V
T6.3A/250V
T2.5A/250V
T6.3A/250V
Load Type
Main Power
SIB
MCU
SIB
MCU