Psu-E (Engine): A, B - Ricoh B234 Service Manual

3.14.5

PSU-E (ENGINE): A, B

CAUTION
• Before replacing any part of the PSU (especially PSU Ea, PSU Eb), switch the machine
off, disconnect it from the power source, and allow the machine to stand at least 10
minutes before you open the PSU box.
• Letting the machine stand for 10 minutes allows residual charges to dissipate from the
large capacity electrolytic condensers on PSU Ea, Eb.
1. Open the PSU box [A] (
2. Remove
[B] Duct, ground wire (
[C] PSU cover (
[D] Fan motor unit (
[E] PSU-Ea ( x7,
[F] PSU-Eb ( x6, Standoffs x4,
SM
x 2). ( 3.3.8)
x3)
x3, x1)
x3, x2)
x10, Standoffs x5)
x2)
3-165
[A]
[F]
B234/B235/B236/D101/D102/D103
BOARDS
[B]
[C]
B234R971A.WMF
[D]
B234R972.WMF
[E]
B234R973.WMF