Toshiba e-STUDIO6520c - Page 498

e-STUDIO5520C/6520C/6530C © 2008-2011 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
6 - 116
(8) Perform “Automatic initialization of image quality control (05-396)” and make sure it is completed
normally. (Error [CE40] does not appear.) Then perform “Automatic gamma adjustment”.
(9) Clear all “Image quality control abnormal detection counter Y to K display/0 clearing (08-573 to
576)”.
(10) Check if any of the springs for supplying power to the transfer belt unit is deformed. Replace the
spring if it is deformed.
[CE41] Image quality TRC control test pattern abnormality
Notes:
1. Steps 1 and 2 are usable only for models to which T430SY0*115, T430HD0*115 or a later
version is applied.
2. Note that steps 1 and 2 have different subcodes to be entered.
(1) Check each value of the subcodes 2 (Y), 5 (M), 8 (C) and 11 (K) of the code 05-2803.
* If all the values of Y, M, C and K are 628 or less, proceed to step 2. If any of them is over 628,
follow the procedure below.
(High density pattern abnormality)
(2) Check each value of the subcodes 0 (Y), 3 (M), 6 (C) and 9 (K) of the code 05-2800.
* If all the values of Y, M, C and K are 180 or over, proceed to step 3. If any of them is less than
180, follow the procedure below.
(Low density pattern abnormality)
|
|
È
| When an error occurs:
È
Check and correct it accordingly.
(1)-1
Set both values of the codes 08-2600 and 08-8103 to 0.
(1)-2
Print the test chart 04-270 with A3/LD for more than 2 pages. Then perform list printing
([9]+[START]) to check if no abnormality is found in the image density.
If any abnormality is found, correct it referring to "25.5 Troubleshooting for the
Image"
(1)-3
.Check if the process unit (EPU tray) and the developer unit are installed
properly.
(1)-4
Check if any toner or developer material is spilt around the laser shutter. Clean
if so.
(1)-5
Check the center position adjustment for each drawer is within the range preset at the
shipment (rear side: 0-3 mm).
 P.3-92 "[B] Adjustment of the gear holder"
(1)-6 Adjust the image dimension with A3/LD.
 P.3-16 "[A] Reproduction ratio of primary scanning direction (Image clock fine adjustment
(Printer))"
 P.3-17 "[B] Primary scanning data laser writing start position (Laser writing start position
(Printer))"
(1)-7
Return both values of the codes 08-2600 and 08-8103 to 1. Then proceed to
step 3. If it is the second time, proceed to step 4.
(2)-1
Set both values of the codes 08-2600 and 08-8103 to 0.
(2)-2
Print the test chart 04-270 with A3/LD for more than 2 pages. Then perform list printing
([9]+[START]) to check that no abnormality is found in the image density.
If any abnormality is found, correct it referring to
 Service Manual “6.4 Troubleshooting
for the Image”"
(2)-3
Return both values of the codes 08-2600 and 08-8103 to 1. Then proceed to
step 3. If it is the second time, proceed to step 4.