Sharp MX-LCX4 (serv.man6) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Ltd., Technical Services Group
1. Model Name: MX-LCX4/LCX5
2. Symptom:
“U6-20” (communication error between the main body and an LCT) occurs occasionally owing
to noise made by shutting a finisher door of MX-LCX4/LCX5.
to noise made by shutting a finisher door of MX-LCX4/LCX5.
3. Cause:
A lead cable that had been not in use was installed. As a result, a reset circuit on an LCT PWB
malfunctioned owing to noise on signal lines.
malfunctioned owing to noise on signal lines.
4. Description:
An unnecessary purple lead cable with a five-pin connector (CN112), which is connected to a
rear LCT PWB, will be cut (two places) so that signal lines will not be affected by noise and
“U6-20” (communication error between the main body and an LCT) will not occur.
If the abovementioned error occurs on a model, to which no action is taken, cut the lead cable
(purple) based on procedures on the attached sheet.
rear LCT PWB, will be cut (two places) so that signal lines will not be affected by noise and
“U6-20” (communication error between the main body and an LCT) will not occur.
If the abovementioned error occurs on a model, to which no action is taken, cut the lead cable
(purple) based on procedures on the attached sheet.
A package version control number for a model to which the action is taken has been changed
from “A00” to “A10”.
from “A00” to “A10”.
5. Action:
From July 2007 production
U6-20 ERROR OWING TO NOISE MADE BY
SHUTTING A FINISHER DOOR.
Date:
15
th
October 2007
Model:
MX-M850,M950/1100
Ref.:
006
Colour:
White
Page:
1 of 2
TECHNICAL BULLETIN
Purple lead cable cutting procedure
Sharp Electronics (UK) Ltd., Technical Services Group
Sharp Electronics (UK) Ltd., Technical Services Group
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