Ricoh FT7770 Service Manual page 143

After Copy Cycle Completion (main motor off):
Both fusing lamps operate in the same manner as during warm-up.
Lower Temperature Limit:
If the hot roller surface temperature drops below 171°C (175°C if SP 4-2 is
set) whiIe copying, the copier stops and both fusing lamps turn on.
may happen during a long continuous copy run using A3 or 11" x 17" paper. )
When the hot roller returns to 182°C, the copier automatically resumes the
copy run.
Upper temperature limit (SC 7)
220°C ---
185°C --- Fusing lamp OFF (Operating Temperature)
182°C --- Fusing lamp ON
Warm-up completion (Ready Temperature)
178°C ---
175°C --- Lower temperature limit with SP 4-2 set (A3/LDG)
171°C --- Lower temperature limit with SP 4-2 reset (A3/LDG)
158°C --- Lower temperature limit with SP 4-2 set (A4/LT)
150°C --- Lower temperature limit with SP 4-2 reset (A4/LT)
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30 April, '89
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