T
echnical
B
ulletin
PAGE: 1/7
Reissued:05-Nov-12
Model:
GR-C1
Date:
18-Oct-12
No.:
RD117035a
RTB Reissue
The items in
bold italics
were corrected or added.
SYMPTOM
1. The LCD touch screen does not turn on when the main power switch is turned on, but
the machine functions can work.
2. The LCD touch screen does not turn on when the machine recovers from Energy Saver
mode, but the machine can receive and print out print jobs.
CAUSE
LCDC firmware bug
SOLUTION
Machines in production:
The LCDC firmware was modified (v1.18, P/N D1171491; applied from Oct. 2012).
Important:
This version was installed at the factory using a special tool, and so will not
be released. In the field, update to the versions shown below.
In the field:
Temporary
Until you can update the firmware, turn the machine main power OFF/ON.
Permanent:
Install the following two firmware versions (
see Update Procedure below
):
Version Parts
Number
Remarks
LCDC version
update tool #1
1.18.1
D1171450
Contains the modification for the
firmware’s boot area
LCDC vesion
update tool #2
1.18.2
D1171451
Contains the modification for this
issue
Subject:
The touch screen does not turn on
Prepared
by:
T.Kiyohara
From:
2nd Tech Service Sect., MFP/P Tech Service Dept.
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Product Safety
Other (
)
Tier 2
