AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 21
M. Lock position
WH1 DESK Dry heater (Paper
feed tray 1, 2)
Nichrome wire
(18W)
Dehumidifies paper on the paper
fee4d tray 1 and 2.
Standard for Japan model, option
for the other destinations.
WH1 SCN Scanner dry heater Nichrome wire (7W) Dehumidifies the scanner section. Standard for Japan model, option
for the other destinations.
WH2 DESK Dry heater (Paper
feed tray 3, 4)
Nichrome wire
(10W)
Dehumidifies paper on the paper
feed tray 3 and 4.
Standard for Japan model, option
for the other destinations.
No. Name Function/Operation MODEL NOTE
1 Scanner lock screw Locks the scanner. (Protects the scanner unit from
breakage during transit.)
Bu sure to lock during transit.
2 Paper tray 1 lock block Locks the paper lift plate
3 Paper tray 2 lock block Locks the paper lift plate
4 Paper tray 3 lock block Locks the paper lift plate
5 Paper tray 4 lock block Locks the paper lift plate
6 Fusing pressure release screw Apply and release a pressure to/from the fusing roller. Release a pressure when
storing for a long time.
7 OPC drum separation pawl lock block Protects the OPC drum from contact with the separation
pawl.
Code Name Type Function/Operation MODEL NOTE
1
6
7
2
4
5
3