Citizen CBM1000 service manual Faulty sensor, Faulty auto cutter

CBM1000 Service Manual

lFaulty sensor

Phenomenon

Cause

Check Method

Remedy

Does

not

detect

Faulty paper sensor

Check whether the ER-

Replace the sensor PCB

presence of paper.

ROR

lamp

flickers

assy.

when paper is out.

Foreign

substance

is

Check whether any for-

Remove

the

foreign

attached

to the paper

eign

substances

are

substance.

sensor.

adhered to the

paper

sensor.

Faulty connection of the

Check connection of the

Connect

the

connector

paper sensor connector

paper sensor connector.

correctly.

Does

not

detect

Faulty paper near-end

Check whether the ER-

Replace the paper near-

paper

near-end

sensor

ROR

lamp

flickers

end sensor.

status.

when paper is out.

Foreign

substance

is

Check whether any for-

Remove

the

foreign

attached

to the paper

eign

substances

are

substance.

near-end sensor.

adhered to the

paper

near-end sensor.

Faulty connection of the

Check connection of the

Connect

the

connector

paper near-end sensor

paper near-end sensor

correctly.

connector

connector.

lFaulty auto cutter

Phenomenon	Cause	Check Method				Remedy
The cutter does not	Faulty connection of the	Check connection of the				Connect the connector
function.	auto cutter connector	auto cutter connector.				correctly.
	Faulty DC output volt-	Check	whether		the	Use the	specified	AC
	age from the AC	specified AC adapter is				adapter.
	adapter	used.
	Defective auto cutter	Measure	the	supply		If the supply voltage is
		voltage with a DC volt-				normal,	replace	the
		meter or oscilloscope.				auto cutter.
	Paper feed failure	Check whether		or	not	Eliminate	unnecessary
	(Paper jam)	the paper is jamming or				paper in the paper path
		torn and caught in the				and set paper properly.
		paper path.

TIf the no-paper condition is not detected while the printer is running out of the recording paper, it will print without the paper, leading to a trouble of the head, and so on.

– 22 – CITIZEN