1. JAM DETECTION
Note: This printer detects the following
misfeeds
and malfunctions. When any of these trouble
conditions is detected, all printer elements are brought to a stop except the fan motor.

l-l. JAM Detection

A
misfeed
may be
cla&ied
into one of four categories,
JAMl.
JAM2.
JAM3,
and JAM4, as detailed below.
1. When paper is fed
from
the Multi-purpose tray, the Paper Take-up Sensor
(PCl)
is in the deactivated state
approx. 1.6 sec. after the Paper Take-up Roll has started
turning
(JAN).
2.
When paper is fed from the 2nd paper tray, the Registration
Sensa
(PCRl)
is in the deactivated state
approx. 1.4 sec. (approx. 2.5 sec. for the
Third
Cassette Unit) after
the
Paper Take-up Roll has started
turning

(JAhll).

3. when paper is fed
from
the 2nd paper
tray.
the
Paper Take-up Sensor
@Cl)
is
in
tk
deactivated state
approx. 1.0 sec. after the leading edge of
the
paper has reached
the,&gistration
Sensor
@‘CXi)
(JAMl).
4.‘IIePaperTake-upSensor(PC1)
isintbeactivatedstatew~tbePow~is
tumedON.artheUpper~t
is closed
a
Duplex Cover
ia
closed
(JAM2).
S.ThePaperTalre-upSensat(PCl)isintbeactivatedstatettbeperioddtimeequivalenttotbepapersize
plus 2.8 sec.
after
the
leading
edge of the
paper
has
nz&ed

the

Paper
Take-up Sensor
(Xl)

(JAW).

6.ThePaper~tSensor(P(33)isinthedeactivatedstateapprox.2.3sec.afterthe~edgeofthepaper
has
reached
the
Papet
Takeq
Sensor
(Xl>
(JAFM).
r
7.ThePaper~tSensor~)isintheactivatedstateapprox.2.3sec.afferthetrairingedgedthep
+z
has-moved past the
Paper
Take-up
Sensor
@Cl)
(JAM3).
8.ThePaperEjcitSensor(PC3)isintheactivatedstatewheathePwerisRrrnedON.ortheUpperuaitis
closed a Duplex cover is closed
(JAW).
9. The Duplex Paper
Sensor
(PC4)
is
in the deactivated state approx. 2.7 sec. after tbe
Switchback
mokx
of
the Duplex unit has been eneqized
(JAM4).
1O.TheRegistrationsenSar~1)isinthedeactivatedstate~~ox l.lsec.aftertheleadingedgeofthe
paper has reached the Duplex Paper Sensor
CpC4)
(JAW).
11. When paper is fed
from
the Duplex,
the
paper
Take-up
Sensor
(PCl)
is in the
deactivked
state approx.

1.0 sec. after

the

leading edge

cd

the paper has reached

the

Registration Sensor

WW

(JAM4).

12.
The Duplex Paper
Senscx

(PC4)
is in the
acti+ated
state
when

the

POW-

is

turned

ON.

or

the

Upper unit

is closed a Duplex cover is closed
(JAM4).
13.TbeRegistration
Sensa
(PCRl)
isintbe activated state when
thepoweris
tumedON.or
theUpperunit
is
closed
a
Duplex cover is closed
(JAM,
JAM4).

: JAM Resetting Procedure

Mer
the JAM has
been
ckared,
close t.k
Upper
Unit or the Duplex
Covez
F-l