e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C © 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
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[ 2-5 ] Checking the EPU board
[ 2-6 ] Checking the photoconductive drum
[ 2-7 ] Checking the LGC board and the HVT board
[ 3 ] What to do for the drum surface potential sensor shutter closing controlling
status abnormality
Content: Incorrect measurement when the drum surface potential sensor shutter is closed
<Example> The opened shutter cannot be closed.
Repeat steps 2-6 and 2-4 above (sensor shutter not opened) and then perform “4. Image quality control
initialization (05-2742) and checking controlling status” (described later).
[ 4 ] Procedures for image quality closed-loop control (05-2742) and checking
controlling status
1. If the value of the drum surface potential sensor control abnormalities counter for each color is other
than “0”, reset the counter.
08-2560 Sub-code 3: K
2. If the value of the drum surface potential sensor shutter closing control abnormalities counter for
each color is other than “0”, reset the counter.
08-2577 Sub-code 3: K
3. Select “1: Enabled” for the code 08-2561 (Drum surface potential sensor control setting).
4. Perform “Image quality control initialization (05-2742)”, refer to 1. for confirming the result, and then
apply necessary measures if there is any abnormality.
8.4.4 Equipment operation disabled after the installation of option(s)
Check if the optional board is installed properly.
8.4.5 Wireless LAN connection disabled
The connection state and settings of the Wireless LAN can be checked with [USER FUNCTIONS]
[ADMIN] [WIRELESS LAN] [SETTING CHECK].
Confirm the settings with the administrator.
Replace the EPU board and perform “4. Image quality closed-loop control (05-2742) and
checking controlling status” (described later).
When an adjustment error occurs
Replace the drum and then perform “4. Image quality closed-loop control (05-2742) and
checking controlling status” (described later).
When an adjustment error occurs
Replace the LGC board and then perform “4. Image quality closed-loop control (05-2742) and
checking controlling status” (described later).
When an adjustment error occurs
Replace the HVT board and then perform “4. Image quality closed-loop control (05-2742) and
checking controlling status” (described later).
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