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SHARP
REPAIR HINTS
77
GENERAL / MISC
MX-5070N
MX-6070N
MX-6070N
Primary transfer belt becomes
wrinkled or torn during operation
1. Update PCU Firmware to 05.00.Z1.00 (or higher).
2. Check SIM 55-1, SSW 12, Bit 4 is set to 1
(this applies a small amount of yellow toner to the primary
transfer belt ensuring proper lubrication at a fixed print interval
(eg. 100 sheets A4).
3. Check SIM 55-1, SSW 27, Bit 4 is set to 1
(applies yellow toner to the primary transfer belt at installation &
maintenance when TC1 Belt Counter within Sim24-4 is cleared).
Note: SIM 55-1, SSW12-4 & SSW27-4 settings should be
changed as default when PCU 05.00.Z1.00 is applied in
the field.
Important: Ensure the Cleaner Fixing Spacer is present on
the 1
st
transfer cleaning unit [PSHEZ6922FCZZ]
ALL
HV Errors when Executing SIM 44-6
(High-Density Process Control)
Ensure the Secondary Transfer Roller is installed correctly
and there is no uneven gap between the Transfer Roller
and Secondary Transfer Separation Plate - Reinstall the
Secondary Transfer Roller following the procedure
detailed within the Service Manual.
What is the part code for the optional
RS232 Connector PWB Unit that
attaches to the SCN-MFP PWB?
DUNT-9009DS11
Unable to print via USB Host Port
As default, the USB Host port is disabled.
Enable using SIM26-50 – Item I
Unable to perform scanner (CCD)
colour balance & gamma adjustment
using SIM63-3.
For MX-3060-4070N series, SIT Chart
UKOG-0280FCZZ that was used for the previous model
series is not compatible – use
UKOG-0356FCZZ
PAPER FEED & TRANSPORT
ALL
ICU_REQ jams when using the RSPF or
PRI_JAMs when copying from the OC
glass only.
Check/Replace the CCD Unit.
Note: Perform scanner (CCD) colour balance & gamma
and white balance adjustment after replacement.
MX-DE28
Centre of paper is bent or Paper Jams
from Tray 4 only (Tandem Drawer).
Check if the upper frame of the Tandem Paper feed unit
is warped. Using a steel ruler, check the amount of warp
of the Upper Frame of the Tandem Paper feed unit. If
more than 2mm, reform or replace the Upper Frame.
MX-RB25
Intermittent PDPDD1_S jams
Check the operation of the MX-RB25 entry sensor
(PDPDD1) actuator. Replace the actuator spring with
modified type [MSPRD4659FCZZ] or as a temporary
measure, add 1 or 2 extra turns to the original type spring
if the actuator return is lazy.
IMAGE QUALITY
ALL
Image distortion, only when copying
or scanning
(optical section appears OK).
Check/Replace the CCD Unit.
Note: Perform scanner (CCD) colour balance & gamma
and white balance adjustment after replacement.
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