347
DP-1510P/1810P
/1810F/2010E
APR 2002
Edition 2.0
6.5.10.
Laser Printer Motor Drive Circuit
1. System Description
It consists of 16 bit CPU M30802. The CPU controls mechanism of Laser Printer, Fuser Lamp
temperature, and Laser Unit.
2. Reset Circuit
This circuit consists of IC301 (PST575E) and peripheral circuit. This circuit always watches 5V. Output
of this circuit (nRST) is set that if 5V falls below setting level (3.9V). When the 5V rises above voltage,
the reset signal is canceled after a delay of approximately 20 ms. After cancelling, software is started
by CPU.
IC2
PST575E
R26
Q1
C20
R24
R3
C1
1
2
3
4
IC1
CPU
pLPRST
Reset Circuit
Vdd
5V
3.9V
td
td
td=20ms
Reset Signal Timing Chart
Содержание DP-1510P
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Страница 74: ...74 APR 2002 Edition 2 0 DP 1510P 1810P 1810F 2010E 14 Remove the Cleaner Roller 640 14 ...
Страница 83: ...83 DP 1510P 1810P 1810F 2010E APR 2002 Edition 2 0 29 Remove 2 Developer Felts 1041 29 ...
Страница 158: ...158 APR 2002 Edition 2 0 DP 1510P 1810P 1810F 2010E 3 9 PNL2 PC Board CN20 Refer to PNL6 1 PC Board CN1 ...
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Страница 193: ...193 DP 1510P 1810P 1810F 2010E APR 2002 Edition 2 0 3 24 LANC PC Board CN200 Refer to LANB PC Board CN5 and CN6 ...
Страница 194: ...194 APR 2002 Edition 2 0 DP 1510P 1810P 1810F 2010E 3 25 EP PC Board CN1 Refer to SC PC Board CN121 ...
Страница 289: ...289 DP 1510P 1810P 1810F 2010E APR 2002 Edition 2 0 Fuser Error Detection ...
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