Japan CBM Corporation CMP-10, Service Manual

Page: 18 / 41

CMP-10 Service Manual
CMP-10 Rev. 1.00 P 18/41 Date: 2002.07.25
Phenomenon
PE is always detected.
PE is not detected.
Cause
Faulty sensor
Faulty sensor
Foreign substance caught
by the sensor
Sensor exposed to the
direct sunshine or strong
light
Check Method
Use a tester to check
whether or not a supply
voltage and signal are
normal.
—
Check for any foreign
substance.
Check operation,
avoiding the direct
sunshine or strong light.
Repair Method
Replace the PE sensor.
Replace the PE sensor.
Remove the foreign
substance.
Use in a place free
from the direct sunshine
or strong light.
* PE Sensor Failure
* If PE is not detected with no printing paper set, the printer will print even if the paper is not set, causing a
trouble to the printer head, etc. If printing is performed in this condition, replace the platen roller and head.
Phenomenon
At power-on, the
CHARGE and ON
lamps remain
illuminated.
At power-on, the
ERROR lamp blinks.
Kanji is not printed.
Erroneous printing or
malfunctioning.
A printer body or
internal temperature is
high.
Cause
Faulty control board
Faulty memory
No Kanji ROM
Faulty Kanji ROM
The printer is used in a
noisy place
Bad working environment
Check Method
—
—
Check whether or not
the printer is for
overseas use.
—
Check whether or not
there is any noise
emitting object around
the printer.
Check the working
environment and
installation site.
Repair Method
Replace the control
board.
Replace the memory or
control board.
Replace the control
board with one for
domestic use or attach
the Kanji ROM.
Replace the Kanji
ROM.
Change the place.
Move the printer to a
well-ventilated place
within the specified
temperature range.
* Others (Operational Failure Included)