Citizen CL-S400DT Technical Manual page 48

The following diagram shows the menu transition in Factory/Service mode.
While pressing the [MENU], [FEED] and
[STOP] keys, turn on the printer.
Main menu
Factory Setup
Service Mode
Page Setup
System Setup
After Print
Interface
Machine Info
Test Mode
Global Config
To exit from Factory/Service mode:
In main menu, press the [PAUSE] ( ) key.
Submenu
(Service mode)
Head Check
ROM Check
Service Counter
2-35
Chapter 2 Operating Principles
2-3. Operation Panel
Submenu
(Factory mode)
Init Thru Sen
Init Refl Sen
Print Prefer
CL-S400DT