Citizen CLP-621 - Mode Settings - Self Print Mode; Media Adjustments After Self-Test

2-2. Operation of Control Parts
CLP-621 & CLP-631 2-18
2-2-2. Operation of Control Unit
(1) Block diagram
The following descriptions are for major functions of the components.
CPU
UPD703111AGM-13-UEU-A
128MHz
BZ
Head Up Sensor
AC Inlet & Power Switch
Flilter & Power Supply
S-DRAM (64Mbits)
Control / C.G.
F-ROM
(
16Mbits
)
Ribbon Motor F/R
PF Motor
PF Moto
r
Driver
Ribbon Motor
Drivers
Transparent Sensor
Thermal Print
Head
Gate Array
UPD65946GJ-165-3EB-A
O
perat
i
on
P
ane
l
RS232C
IEEE1284
USB 1.1
MAIN PCB
Peeler Sensor
(Option) Peeler
Th
erma
l
H
ea
d
Temp. Sensor
PF
M
otor
RS232C
Driver/Receiver
IEEE1284
Transceiver
Cutter Position
Sensor
Cutter Motor
Driver
(Option) Auto Cutte
r
Cutter Moto
r
Ethernet I/F
Wireless LAN
(Option) LAN I/F
RIBBON MAIN PCB
Ribb
on
M
otor
Reflective Sensor
Temp. Sensor
Temp. Sensor
Tension Sensor F/R
Head
Control
Ribbon Winding
Selection Switch
Fan
+5V