Service manual

2. TROUBLESHOOTING
2.18 Service Manual CNS-9701
CD-ROM Drive or Floppy Disk Drive Problem
2-channel Recorder Unit Problem
Problem Possible Cause Action
The access lamp lights but the
drive cannot read the data on a
disk.
The drive is dusty. Clean the drive with a cleaning disk or air
compressor.
The drive has a failure. Replace the drive with a new one. After
replacement, check that the new drive is
recognized when the main unit is turned
on.
The access lamp does not light
during access and the drive
cannot read the data on a disk.
Poor connection between the drive
and motherboard.
Check the connection between the drive
and motherboard.
Problem Possible Cause Action
The recording paper is loaded
but the “RECORDER OUT OF
PAPER” message appears on the
screen.
The paper detection sensor is dirty. Clean the paper detection sensor with a
cotton swab moistened with alcohol.
The printing intensity is not
even.
The platen roller is worn out. Replace the roller with a new one.
The paper magazine is
completely closed but the
“RECORDER DOOR OPEN”
message appears on the screen.
The magazine open detection
switch has a failure.
Replace the switch with a new one.
Missing dot on recordings from
the recorder unit.
The thermal array head has a
failure.
Replace the head with a new one.