Konica Minolta 7085/FORCE 85 Service Manual page 158

OTHER KINDS OF CONTROL
c. FM5, FM8
(1) ON timing
3
Turned ON after power-on.
7075:
• Always rotates at low speed during idling.
• During copying, rotates at high speed when the
drum temperature is higher than specified tem-
perature while HTR1 (drum heater) is OFF, oth-
erwise low speed rotation.
7085:
• Always rotates at low speed during idling.
• During copying, always rotates at high speed.
(2) OFF timing
Not turned OFF until the power is turned OFF.
d. FM7
(1) ON timing
Turned ON when L1 has been lit for at least 80
seconds.
(2) OFF timing
Turned OFF when L1 is turned OFF.
e. FM9 (7085 only)
3
(1) ON timing
Turned ON in sync with M17 (polygon).
(2) OFF timing
Turned OFF in sync with M17).
f. FM10, FM11 (7085 only)
(1) ON timing
Turned ON in sync with M8 (ADU conveyance).
(2) OFF timing
Turned OFF in sync with M8.
g. FM12 (7085 only)
(1) ON timing
Turned ON in sync with M1 (main).
(2) OFF timing
Turned OFF in sync with M1.
2. Signals
3
a. PRCB input signals
(1) FM3 EM (FM3 to ACDB to PRCB: 7075)
(FM3 to PRCB: 7085)
FM3 fault detection signal.
[H]: Fault is detected.
(2) FM3 FEM (ACDB to PRCB: 7075 only)
FM3's 24V DC power detection signal
[H]: 24 V power OFF
(3) FM4 EM (FM4to ACDB to PRCB: 7075)
(FM4 to PRCB: 7085)
FM4 fault detection signal.
[H]: Fault is detected.
(4) FM4 FEM (ACDB to PRCB: 7075 only)
FM4's 24V DC power detection signal
MODEL
7075/7085
SERVICE HANDBOOK
MANUAL REVISED EDITION
[H]: 24 V power OFF
(5) FM5 EM (FM5 to DCDB to PRCB: 7075)
(FM5 to PRCB: 7085)
FM5 fault detection signal.
[H]: Fault is detected.
(6) FM5 FEM (DCDB to PRCB: 7075 only)
FM5's 24V DC power detection signal
[H]: 24 V power OFF
(7) FM6 EM (FM6 to ACDB to PRCB: 7075)
(FM6 to PRCB: 7085)
FM6 fault detection signal.
[H]: Fault is detected.
(8) FM6 FEM (ACDB to PRCB)
FM6's 24V DC power detection signal
[H]: 24 V power OFF
(9) FM7 EM (FM7 to SCDB to PRCB)
FM7 fault detection signal.
[H]: Fault is detected.
(10) FM8 EM (FM8 to PRCB: 7085 only)
FM8 fault detection signal.
[H]: Fault is detected.
(11) FM9 EM (FM9 to PRCB: 7085 only)
FM9 fault detection signal.
[H]: Fault is detected.
(12) FM12 EM (FM12 to PRCB: 7085 only)
FM12 fault detection signal.
[H]: Fault is detected.
(13) FM3/4 FEM (ACDB to PRCB: 7085 only)
FM3, FM4's 24V DC power detection signal
[H]: 24 V power OFF
(14) FM9 FEM (ACDB to PRCB: 7085 only)
FM9's 24V DC power detection signal
[H]: 24 V power OFF
(15)FM5 FEM (ACDB to PRCB: 7085 only)
FM5, FM8, FM9's 24V DC power detection sig-
nal
[H]: 24 V power OFF
b. PRCB output signals
(1) FM3 CONT (PRCB to ACDB)
FM3 ON/OFF control signal.
[L]: FM3 ON
[H]: FM3 OFF
(2) FM3 H/L (PRCB to ACDB to FM3: 7075)
(PRCB to FM3: 7085)
FM3's rotational speed control signal.
[L]: Low speed
[H]: High speed
(3) FM4 CONT (PRCB to ACDB)
FM4 ON/OFF control signal.
[L]: FM4 ON
[H]: FM4 OFF
DATE
2 - P - 4
Jan. 2002
3
PAGE METHOD
2-P-4 REPLACEMENT