OHAUS RU-C2, Service Manual

Page: 13 / 53

Service Manual RU OHAUS
Page 13 / 53 11/01/2010 Ohaus
LABEL PRINT IS MOTTLED WITH LIGHT SPOTS
1. Check with other known good label stock.
2. Check and clean printer head resistor line and platen.
3. Replace printer head.
LABELS NOT STRIPPING CORRECTLY
1. Check with other known good label stock, e.g. Nashua.
2. Check label format programming.
3. Check rewind spool for wear.
4. Check Gap Sensor and Take Label Sensor with SENSOR TEST in Service Mode.
LABELS PRINTED EVEN IF ONE IS NOT YET TAKEN
1. Check PAP. END DET. option in Service Mode (Paper End Detection)
2. Check Take Label Sensor.
3. Check Main Logic PCB.
OUT OF LABELS ERROR
1. Make sure labels are threaded through the Gap Sensor.
2. Clean/Check Gap Sensor.
3. Check Gap Sensor through SENSOR TEST in Service mode.
4. Replace Gap Sensor.
5. Replace Main Logic PCB.
CAN'T COMMUNICATE WITH PC
1. Test scale serial port through INTERFACE TEST in Service Mode.
2. Check the connection cable.
3. Check which serial port is used at PC.
4. If using HyperTerminal, check the COM PORT SETUP and set to the following
parameters:
Bit per second: 9600
Data bits: 8
Parity: None
Stop bits: 1
Flow control: None