SC 388

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  • Rajiva
    • May 2025

    #1

    SC 388

    SC 338 appearing in Nashua DSc 338 color copier. I do not have nerw Developer units . Any suggestions to solve it ? Transfer belt is totally clean. Id sensor is o.k.

    Thanks
  • TonerMunkeh
    Professional Moron

    2,500+ Posts
    • Apr 2008
    • 3865

    #2
    As per RTB22...

    SYMPTOM
    SC285, SC387, SC388, SC389 sometimes occur on machines that print primarily in B/W mode (total color to B/W page ratio of 1:100), such as when using the machine primarily as a fax machine.

    CAUSE
    Color development units are activated at power off/on, jam recovery and process control (ID sensor pattern), which slightly charges and consumes the toner, but the units are inactive and so toner is not replenished when printing out primarily in B/W mode (triggering the SC).

    Action Required
    1. Set SP3-125-003 to a value of 2 to enable Job End & Non-use Self Check Mode. Note: This will instruct the machine to perform Auto Density Adjustment every 200 prints at the next job end (operation lasts approximately two to six minutes).

    2. Set SP3-125-005 to a value of 0 (disable).
    Note: This will instruct the machine to ignore all environmental factors when performing process control.
    It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

    Hit it.

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