service manual ar-203e ar-203e x ar-m200 ar-m201 model ar-5420

[8] DISASSEMBLY AND ASSEMBLY
Before disassembly, be sure to disconnect the power cord
for safety.
1. Do not disconnect or connect the connector and the
harness during the machine is powered. Especially be
careful not to disconnect or connect the harness
between the MCU PWB and the LSU (MCU PWB: CN119)
during the machine is powered. (If it is disconnected or
connected during the machine is powered, the IC inside
the LSU will be destroyed.)
2. To disconnect the harness after turning on the power, be
sure to turn off the power and wait for at least 10 sec
before disconnection. (Note that a voltage still remains
immediately after turning off the power.)
The disassembly and assembly procedures are described for the
following sections:
1. High voltage section
2. Operation panel section
3. Optical section
4. Fusing section
5. Tray paper feed/transport section
6. Manual paper feed section
7. Rear frame section
8. Power section
9. DV unit section
10. Duplex motor section (AR-M201 only)
11. Reverse roller section (AR-M201 only)
1. High voltage section
A. List
No. Part name Ref.
1 Drum
2 Transfer charger unit
3 Charger wire
B. Drum replacement
1) Remove the drum cover. (4 Lock Tabs)
AR-203E/5420/M200/M201 DISASSEMBLY AND ASSEMBLY 8 - 1
2) Remove the drum fixing plate and the photoconductor drum.
(Note) Dispose the drum fixing plate which was removed.
(2)
LO CK
3) Check the cleaning blade and the red felt for no damage.
If there is any damage, execute all procedures from item 5)
and later.
If there is no damage, execute the procedure of item 12).
4) Remove the main charger.
(When uneven charging occurs, clean the screen grid and the
sawteeth with an air blower.)
5) Remove the cleaning blade.
Note: Dispose the cleaning blade which was removed.
If a cleaning error occurs, replace the cleaning blade.
(Recommendable replacement cycle: Every 25K)
(3)