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: Feb. 6 2004
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AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 28
a-10. Paper pass detector
1) Remove the paper feed tray 3/4.
2) Remove the cover. (See “a-5. Paper pickup solenoid”)
3) Remove the paper pass detector unit.
4) Remove the paper pass detector.
b-1. Paper size detection PWB
1) Remove the paper feed unit. (See “a-1. Pickup roller” in this sec-
2) Disconnect the connector, and remove the paper size detection
PWB unit.
3) Release the pawl, and remove the paper size detection PWB.
b-1. Paper remaining quantity detector
1) Remove the paper feed unit. (See “a-1. Pickup roller” in this sec-
2) Disconnect the connector, and remove the paper remaining quan-
tity detector unit.
3) Remove the paper remaining quantity detector cover. Remove the
paper remaining quantity detector.
b-3. Paper feed tray paper width detector
1) Remove the paper feed tray 3/4 unit lower. (See “a. Paper feed
tray units 3 and 4” in this section)
2) Remove the paper feed unit. (See “a-1. Pickup roller” in this sec-
4) Remove the spring, and remove the paper width mounting base.
Remove the width detection arm and remove the paper feed tray
paper width detector.
b-4. Dry heater
1) Remove the paper feed tray 3/4 unit lower. (See “a. Paper feed
tray units 3 and 4” in this section)
2) Remove the paper feed unit. (See “a-1. Pickup roller” in this sec-
3) Disconnect the connector, and release the pawl, and remove the
width detection unit.
3) Remove the paper feed lower cover.
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Summary of Contents for AR-M550N
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