Oki IP-6620 Maintenance Manual page 545


Ink cartridge (PCB-ASSY-CCC3)
Includes a board equipped with memory chip containing the ink information with the CIS
model.

Ink usage amount extension chip (PCB-ASSY-CCC4)
Chip used to extend the amount of ink that can be used with the LCIS model

DC24V PSU
24VDC PSU is a power unit to supply 24 V DC used to operate the actuators. It includes
circuits that protect it against excessive current and excessive voltage.

DC38V PSU
36VDC PSU is a power unit to supply DC power to operate logic circuits, and power to drive
the heads, and the X and Y motors, as well as power used for logic circuits and actuators on
the carriage. It includes circuits that protect it against excessive current and excessive
voltage.

Operation panel
The operation panel is an unique control panel provided to control the printer. The following
describes the main specifications:
- LCD:
- Input buttons:
- LED:
- Interface:
- Buzzer:
8-24
40 characters in 2 lines, with backlight
Up, Down, Right, Left, OK, CANCEL, ONLINE, HEATER, MENU,
ADJUST, MENTENANCE, NOZZLE PRINT, and PH.RECOVERY
Error, Media heater, Ink, and ONLINE
Serial type based on differential interface
Separately-excited buzzer
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 8 Operation Mechanism