Ricoh A151 Field Service Manual page 390

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SUBJECT: SOFTWARE MODIFICATION
SYMPTOM:
1. E54 is indicated after warm-up, usually seconds after the Fusing lamp has turned off at 185°C. This
occurs only on the machines that have Fusing Phase Control Mode turned ON.
2. Trailing edge deletion in 65% reduction on the A203 only.
CAUSE:
1. Software problem when using Phase Control Mode, SP29 set to 1.
2. Software problem on the A203 only.
FIELD SOLUTION:
1. Set SP 29 to 0 ON/OFF Control.
Note: To clear the E54 code, use SP97:
1- Turn ON the Main Switch.
2- Enter "71" by using the number keys.
3- Press and hold the Clear/Stop key until a dot (z) appears in the top left corner of the Copy Counter
and then release the Clear/Stop key.
4- Press the Clear/Stop key again and then depress the Lighter key. A "5" will blink in the Copy
Counter to indicate that SP Mode has been accessed.
5- Enter SP 97 using the number keys. Then press the Auto ID key. Enter "1", then press the Auto ID
key.
6- Turn the Main Switch OFF the ON.
PRODUCTION SOLUTION:
1. New Firmware applied during production, "E" version ROM.
2. Install "F" version ROM for A203.
GENERAL:
The following parts updates are being issued for all A202 and A203 Parts Catalogs.
PART NO.
A2025108 IC – UVEPROM 512K x 8 (A202)
A2035108 IC – UVEPROM 512K x 8 (A203)
RICOH GROUP COMPANIES
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REFERENCE
QTY PAGE ITEM
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1 53 4
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