Philips Avalon FM20 Service Manual page 117

Symptom
The INOP is
Check Paper
issued.
The INOP Wrong Paper
is issued.
Scale
The INOP
Printhead
Overheat is issued.
Bad or distorted printout
within the first 1 cm of the
trace.
Poor print quality.
Paper not feeding
properly.
Possible Cause
The drawer is open and there is paper on
the paper sensor.
A paper jam occurred.
The paper sensor is dirty.
The paper sensor is defective.
The rubber roller is dirty.
The paper is not approved by Philips.
An inadequate contrast of paper marks.
Paper with the wrong scale has been loaded
(for example, International paper has been
loaded instead of US paper).
The printhead is too hot.
The paper drawer was not fully closed.
The heat setting needs adjusting.
The Thermal Printhead is dirty.
Thermal Printhead failure.
The paper is incorrectly loaded.
The rubber roller is dirty.
8 Troubleshooting
Corrective Action
Ensure the paper is loaded correctly, and
close the drawer.
Open the drawer, remove paper, tear off the
crumpled section of paper and re-load, or
load a new pack of paper. Close the drawer.
Clean the paper sensor.
Exchange the paper sensor
-- see "Repair and Disassembly" on
page 139 and "Parts" on page 125.
Clean the rubber roller.
Use only paper approved by Philips.
Use only Philips approved paper.
Calibrate the recorder.
Check, and if necessary, replace the paper
pack with one with the correct scale. Check,
and if necessary, change the paper scale
setting to the correct setting for the paper
used.
Wait for the printhead to cool down, then
press the recorder Start/Stop
key to clear the INOP.
Silence
Always ensure that the paper drawer is fully
closed before you start recording.
Adjust the Thermal Printhead heat setting.
Then run the recorder Selftest to verify
correct printing -- see "Fetal Recorder
Selftest Report" on page 98.
Clean the Thermal Printhead. Then run the
recorder Selftest to verify correct printing --
see "Fetal Recorder Selftest Report" on
page 98.
Exchange the Thermal Printhead -- see
"Removing the Thermal Line Printhead
(TLPH)" on page 172 and "Software
Revision Check" on page 107. Then run the
recorder Selftest to verify correct printing --
see "Fetal Recorder Selftest Report" on
page 98.
Load the paper correctly.
Clean the rubber roller.
key or the
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