5. System Maintenance Reference
Service Menu
Overview
These models have several service menus. Each service menu has several adjustment items. This section
explains how to enter each service menu and what you can do in each service menu.
Each menu is classified into two "Modes" depending on how you enter the service menus.
Menu Mode
• "Menu Mode" can be executed by pushing a sequence of keys.
Maintenance Mode Menu (MF models)
Service Mode (Printer models)
This is a menu for maintenance and service.
Special Mode
• "Special Mode" can be executed if you press certain keys at the same time as you turn the power
on.
DFU Factory SP
Factory Default Settings Menu (only for
MF models)
This is a menu for initializing all information stored in the
controller, except for some counters.
• These counters are initialized: Print/Scan/
Copy/Fax functional Counter, Jam Counter
•
These counters are not initialized: Printer/Scanner
Engine Counter, which are printed in the
"Configuration Page".
After initializing with this menu, when the user powers on
the machine, the Initial Setup Menu appears. The user
must select Language in Country in this menu.
Fax Service Test Menu (only for MF
models)
This is a menu for checking the fax mode.
Size Mismatch Detection Specifies whether to detect the paper size mismatch
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