Oki LP-1040 Maintenance Manual page 536

(2) Two circuit board configuration
1.
Perform the procedure below so that the front
power supply unit is visible.
(a) Remove the electrical box access cover
(see p. 9-7).
(b) Remove the COVER-FRONT.
10-4
Eight screws on the front
COVER-FRONT
Low voltage power unit
(PSU-T2 MNT)
Electrical box access cover
Four screws on the top side
HV(TC)-PSU-T2 MNT
High voltage power unit
(HV-PSU-LSP2 MNT)