Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-46
1156SBT040104A
C04## Exposure Lamp Malfunctions
*
Code
Description
Detection Timing
C0400
Exposure Lamp LA1’s failure to turn
ON
The output from AE Sensor Board PWB-H
does not become 4.0V or more for the period
between when LA1 turns ON and the Scanner
starts a scan motion and when the Image
Leading Edge signal (BASE) turns ON.
C0410
Exposure Lamp LA1 turning ON at ab-
normal timing
With LA1 OFF, the output from PWB-H re-
mains 3.9V or less for a continuous 3-sec.
period at any timing while the Scanner is at
the home position or the Original Cover is
lowered.
1156SBT040105A
C05## Fusing Malfunctions
*
Code
Description
Detection Timing
C0500
Warming-up failure
(Fusing Heater Lamp failure)
The surface temperature of the Upper Fusing
Roller does not reach a given level even after the
lapse of a given period of time during warming-up
as detailed below:
D
If the temperature is 165
_
C or less when the Pow-
er Switch is turned ON:
From room temperature
105S
60S
to 65
_
C
65
_
C~140
_
C
210S
110S
EP4051 EP3051
140
_
C~170
_
C
220S
120S
*170
_
C~200
_
C
145S
100S
*170
_
C~190
_
C
145S
100S
D
If the temperature is more than 165
_
C when the
Power Switch is turned ON:
EP4051 EP3051
*A 200
_
C temperature control is provided for the
first 1 hour after the Power Switch has been
turned ON and 190
_
C temperature control is
provided thereafter.
*~200
_
C
200S
120S
*~190
_
C
200S
120S
C0510
Abnormally low fusing temperature
(Fusing Heater Lamp failure)
The surface temperature of the Upper Fusing
Roller remains 135
°
C or less for a continuous
5-sec. period or more after the copier has com-
pleted warming up.
C0520
Abnormally high fusing temperature
(Fusing Heater Lamp turning ON at
abnormal timing)
The surface temperature of the Upper Fusing
Roller remains 230
°
C or more for a continuous
5-sec. period or more after the copier has com-
pleted warming up.
