Ricoh A-P4, Service Manual

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8. Two terminals [F] ( x2)
9. Spring [G]
10. Connector bracket [H] ( x2)
11. Bracket [I] ( x2)
12. Remove both fusing lamps.
• To avoid breaking the fusing lamps, handle them with care.
• Avoid touching the lamps with bare hands.
• Note the top/bottom positioning of the fusing lamps as you remove them. The sizes of the holes
in the holder match the sizes of the ends of the 650 W lamp (red) and 650 W lamp (brown).
Thermistors and Thermostats
1. Fusing unit (See ‘Fusing Unit Removal’.)
2. Fusing unit upper cover (See ‘Hot Roller Strippers’.
3. Fusing unit lower cover. (See ‘Fusing Lamps’.)
4. Center thermistor [A] ( x1, x1, holder x1)
5. End thermistor [B] ( x1, x1, holder x1)
• The thermistors are thinly coated and extremely fragile. Handle with care to avoid damaging
them. They should be replaced every 150K.
3. Replacement and Adjustment
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