Maintenance & Troubleshooting; Preventative Maintenance - Samsung ML-920 Service Manual

4. Maintenance & Troubleshooting
In this chapter, it was mentioned about the functions for maintaining the product, how to find the causes of the
inferiority, and troubleshooting method.
The service manual is bound the SF-835P and SF-830 together in one volume.
The SF-835P has functions such as printer, copy, scanner, and fax.
The SF-830 has functions such as copy and fax.
The contents of the manual are standardized for the SF-835P.
The information about the fax function is not applied for the SF-830.
The differences by each model are explained in a separate way.

4-1 Preventative Maintenance

The cycle period outlined below is a general guideline for maintenance.
The example list is for an average usage of 50 transmitted and received documents per day.
Environmental conditions and actual use will vary these factors.
The cycle period given below is for reference only.
COMPONENT
Pick-up Roller
Transfer Roller
Toner Cartridge
Drum Cartridge
Samsung Electronics
ADF Rubber
ADF Roller
Fuser
REPLACEMENT CYCLE
20,000 Pages
50,000 Pages
75,000 Pages
75,000 Pages
75,000 Pages
6,000 Pages
15,000 Pages
Troubleshooting
4-1