Service Call Conditions - Ricoh 5510L Service Manual

14 June, 2002

4.3 SERVICE CALL CONDITIONS

If the Call Service indicator is lit, one of the following conditions has occurred.
The white plate scan data is below the target level.
Charge leak current detected while the charge roller was
activated.
No polygonal motor synchronization signal detected.
Development leak current detected while the develop
roller was operating.
For 200ms straight, the machine detects a PWM output
duty ratio of ≤ 10% despite a feedback voltage of ≤1V, or
a duty ratio of ≥ 50% despite a feedback voltage of ≥
2.5V.
For 200ms straight, the machine detects a PWM output
duty ratio of ≤ 10% despite a feedback voltage of ≥ 4V,
or a duty ratio of ≥ 50% despite a feedback voltage of ≥
3.2V
Main motor error
Thermistor failure
During fusing roller warmup, within a 1 minute period,
the fusing temperature fails to 1) rise from 25°C or more
below target to 20°C below target, 2) rise 3°C in the last
5 seconds or to a temperature above the first reading.
During fusing roller warmup, the machine detects a
fusing temperature of 230°C or higher for 1 second.
During printing, the machine detects a fusing
temperature of 130°C or lower for 1 minute.
During printing, the machine detects a fusing
temperature change of ±25°C two times consecutively.
The destination code in the PSU and fusing unit do not
match.
During printing, the machine detects a fusing
temperature above the allowable error detection
maximum for 10 seconds.
During printing, the machine detects a fusing
temperature below the allowable error detection
minimum of for 6 seconds.
The fusing temperature fails to drop down to the standby
temperature within a specified period of time.
During high temperature standby, the machine detects a
fusing temperature of 195°C or higher for 10 seconds.
The machine detects a fusing temperature of 150°C or
lower 6 seconds during high temperature standby mode,
or 50°C or lower for 6 seconds during fax standby mode.
To release an SC code indication relating to the fusing unit (9-22), check and
replace the fusing unit first. Then set printer switch 01 bit 0 to 1 and turn the power
off and on.
Symptom
4-21
SERVICE CALL CONDITIONS
Error Code SC-code
1-04 0101
9-17 0302
9-20 0322
9-29 0391
9-29 0401
9-29 0402
9-24 0500
9-22 0541
9-22 0542
9-22 0543
9-22 0544
9-22 0546
9-22 0547
9-22 0548
9-22 0549
9-22 0550
9-22 0551
9-22 0552