44292401TH Rev.1
83 /
Oki Data CONFIDENTIAL
MAINTENANCE
1. Turn OFF the power switch, unplug the power cord from the power outlet, and let the
machine to stand idle for about 20 min.
2. Open the top cover [1].
3. Pull up the lever [1] to remove the
fuser unit [2].
4. To reinstall, reverse the order of removal.
NOTE
• When the fuser unit is replaced with a new one, it is necessary to reset the mainte-
nance counter.
29
CAUTION
• The temperature gets high in the vicinity of the fuser unit. You may get
burned when you come into contact with the area. Before replacement
operations, make sure that more than 20 minutes have elapsed since the
main and sub power switches were turned off.
A0HFF2C506DA
[1]
M
A0HFF2C510DA
[1]
[2]
6.3.14 Fuser unit
1. Remove the imaging cartridge.
See P.71
2. Remove the rear cover.
See P.76
3. Remove the right cover.
See P.76
4. Remove the left cover.
See P.76
5. Remove the operation panel.
See P.77
6. Remove the high voltage unit.
See P.82
7. Disconnect the flat cable (P8) [1] on
the MFP board.
8. Disconnect the connector (PJ19) [1]
and flat cable (PJ18) [2] on the
printer control board.
CAUTION
• Do not replace the printer head unit while the power is ON.
Laser beam generated during the above mentioned activity may cause
blindness.
• Do not disassemble or adjust the printer head unit.
Laser beam generated during the above mentioned activity may cause
blindness.
A034F2C088DA
[1]
A034F2C501DA
[1]
[2]
6.3.15 PH unit