Ricoh D109 Service Training page 32

Slide 32
Laser Exposure and PCU
The laser and PCU (Photoconductor Unit) units will be covered.
In this section you will do these things:
Examine the laser and PCU units.
Examine drum drive and drum charge.
When you finish this section, you should know the answers to these questions:
How do I replace the laser unit?
What SP modes do I need to use after I replace the laser unit?
How does the machine detect a new PCU?
How does the machine clean the charge roller?
D109/D110
Service Training
Laser Exposure and PCU
32
S-C4L Training