Toshiba e-STUDIO 5540C Service Manual page 925

Step Check item
1 Check each value of the
subcodes 2 (Y), 5 (M), 8 (C)
and 11 (K) of the code 05-
2803.
2 2.Check each value of the
subcodes 0 (Y), 3 (M), 6 (C)
and 9 (K) of the code 05-
2800.
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Result
Under (High density pattern abnormality)
628 (Y, <Procedure>
M, C 1. Set both values of the codes 08-2600 and
and K) 08-8103 to 0.
Print the test chart 04-270 with A3/LD for
2.
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"
3. .Check if the process unit (EPU tray) and
the developer unit are installed properly.
4. Check if any toner or developer material is
spilt around the laser shutter. Clean if so.
5. Check the center position adjustment for
each drawer is within the range preset at
the shipment (rear side: 0-3 mm).
 P. 6-89"[B] Adjustment of the gear
holder"
6. Adjust the image dimension with A3/LD.
 P. 6-17"[A] Reproduction ratio of primary
scanning direction (Image clock fine
adjustment (Printer))"
 P. 6-18"[B] Primary scanning data laser
writing start position (Laser writing start
position (Printer))"
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.
628 or
above
(Y, M, C
and K)
180 or
above
(Y, M,
C, K all)
Under (Low density pattern abnormality)
180 (Y, <Procedure>
M, C, K 1. Set both values of the codes 08-2600 and
each) 08-8103 to 0.
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 "
Troubleshooting for the Image"
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.
8 - 169
Measures
 P. 8-294"8.5
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
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