NEC Super Script 4400, Руководство по обслуживанию

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242 SuperScript 4400 — Maintenance Guide
1. Re-install the belt cartridge.
If damaged, replace the belt cartridge.
2. Ensure that the transfer drum rotates freely.
If not, replace the transfer drum.
3.Check the connections between DCN5 of
IOD1 and the drum HP sensor connector.
4. Check voltages below:
a) If voltage is
+5V between DCN5-1 and 3.
Replace Drum HP Sensor.
b)
If voltage is +5V between DCN2-1 and 2.
Replace
IOD1 P.W.B.
NOTE: If this does not clear the error replace
MCTL P.W.B.
5. Replace Low Voltage Power
Supply (LVPS) Failure
6. Re-check steps 1-5.
E2
Code Description of Error Cause of Error Clearance Method
Drum HP Sensor E3
1. Belt Cartridge Insatalled
Incorrectly.
2. Transfer Drum Failure
3. Loose/Broken connection
4. Defective Drum HP
Sensor
5. Low Voltage Power
Supply (LVPS) Failure
6. E3 Error Continues
Main Motor(MM)
(Continued)
MCTL
12CN
7
8
9
10
MMCLK
MMON-N
IOD2
ECN1
ECN2
ECN12
1
2
3
4
5
6
7
8
9
IOD1
5
8
11
12
+24V-1
PGND
+5V-1
SGND
MM1
MM
1
2
3
4
5
6
7
8
9
MMREV-N
MMENC
5
8
11
12
7
8
9
10
MMRDY-N
MMON-N
MMCLK
PGND
+24V-1
SGND
+5V-1
MMENC
MMREV-N
MCTL
1LCN
45
HPSEN-N
IOD1
DCN5
DCN2
DCN1
1
2
3
LVPS
+5V-1
SGND
Relay connector
1
2
45
ACN1
1
2
3 1
2
3
Drum PH Sensor
(EN)
+5V-1
HPSEN-N
SGND