Citizen CLP-621, Technical Manual

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3-6. Adjustments
3-6. Adjustments
CLP-621 & CLP-631
3-40
3-6-1. Transparent/Reflective Sensor Position Adjustment
When you replace one of the following parts, perform both sensor position adjustment and sensor
sensitivity adjustment.
• Main PCB Unit
• Transparent Sensor PCB SA
• Reflective Sensor PCB SA
(1) Sensor position adjustment (factory mode)
After entering Factory mode, adjust the following submenu items:
• Through Sensor Position
• Reflect Sensor Position
For details, refer to
2-3-2-(3-3)-(a) “Factory mode menu table” .
(2) Sensor sensitivity adjustment (maintenance mode)
In this adjustment, since the printer has not a display, PC is used instead.
All operations will be done with the keys on the printer’s control panel.
Communication between the printer and a PC is made through the serial port.
(2-1) Preparation
Before starting adjustment, prepare the following items:
• Media (both label paper and tag) (recommended media or media you use)
• RS-232C serial cable
• PC which is installed Terminal software such as HyperTerminal and TeraTerm.
Windows normally comes with the HyperTerminal. If the software is not installed, you
need to install it.
* Windows® is a registered trademark of Microsoft Corporation in the United States
and/or other countries.
Setting on the PC side:
Make the following settings on the PC beforehand:
1. Connect the RS-232C serial cable between the printer and the PC.
2. On the PC, start the Terminal software.
3 Set the transmission conditions on the Terminal software so that they are identical to
those on the printer side.
Default values of the printer:
• Transmission speed (baud rate): 9,600 bps
• Data length:
8 bits
• Stop bit: 1 bit
• Protocol: XON/XOFF