Ph Unit - Konica Minolta magicolor 5430 DL Service Manual

Other
4.4.18

PH Unit

• Do not replace the PH Unit while the machine power turned ON.
The laser beam that may be emitted can blind you.
• Do not attempt to disassemble or adjust the PH Unit.
The laser beam that may be emitted can blind you.
NOTE
• The magicolor 5430 DL/5440 DL uses a different PH unit than does the magicolor
5450 (although the replacement procedures are identical). When replacing the PH
unit, be sure to use the PH unit for the appropriate model. Using the incorrect PH
unit will adversely affect image quality.
1. Open the Front Door.
2. Remove the Toner Cartridges (C, M, Y, and Bk).
NOTE
• After the TC has been removed, be sure to place it in its black vinyl packing bag or
in a dark place.
• After the Photo Conductor has been removed, cover it with the light-shielding
cloth, and do not allow the it to remain outside the printer for a long time.
3. Remove the Waste Toner Bottle.
4. Remove the Transfer Belt Unit.
☞ 2-16
5. Remove the Left Cover and Rear Cover.
☞ 2-31
[1]
[2]
NOTE
6. Remove PWB Box/1.
☞ 2-47
7. Disconnect two connectors (PJ22A,
[1]
4138fs2533c0
2-46
Main Unit Field Service
PJ38A) [1] and the flat cable (PJ23A)
[2] from the Mechanical Control
Board.