Engine Restrictions - Epson AcuLaser C1900 Service Manual

EPSON AcuLaser C1900/AcuLaser C900

2.3.2 Engine Restrictions

TONER DUTY LIMIT VALUE
200% (to prevent from winding around the fuser unit)
NOTE: However, a hardware stop will not be forcibly performed when it exceeds
200% at the engine side.
FAN CONTROL
Rear Fan (Fan 1)
Reaching the full speed 20 seconds after start of printing
Slowing down to the half speed 15 seconds after completion of printing
Off during sleep mode
Sirocco Fan (Fan 2)
Turned on simultaneously with start of printing
Turned off 90 seconds after completion of printing
Off during sleep mode
Operating Principles
FUSER CONTROL
Fuser roller modification prevention control
It prevents changing by passage of time.
1. The intermediate transfer belt rotate 4 times per holding the sleep mode for 14
days.
2. The intermediate transfer belt rotate 2 times per holding the standby mode for
13 hours.
Feed operation delay control of an envelope / Transparency
In the case that the inside temperature of printer is 28 and envelope is chosen as
paper type, the feed operation may be delayed by the fuser temperature around
that.
Delay time
Envelope: 0 ~ 80sec
Transparency: 0 ~ 44sec
(1)The paper of the
last of pre-printing
was discharged.
Figure 2-4. Printing Start Delay Control for Envelope and Transparency
Image Stabilization Control
Delay time
30sec
(2)The temperature of a fuser
is detected and it decides on
the delay time of feeding.
Feed operation of printing of the If A seconds have
envelopes and transparency started passed after front Job
between 1 and 3 is from 3. is completed, there will
be no delay time.
A=envelope:110sec
A=transparency: 77sec
Revision B
(3) The feed operation
start of an envelope
and transparency.
96