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e-STUDIO281c/351c/451c
Procedure
* The service technician must perform the adjustment in accordance with the procedure below.
(1) Make sure that no out-of-register colors are recognized on an original.
(2) Check a direction in which colors are misaligned.
* This adjustment is intended to correct the print start timing of the toner colors in the secondary scanning
direction, in order to align the print positions of 3 toner colors (K, C and Y) with magenta (M). Therefore,
it will be effective, only if colors are misaligned in the paper feeding direction (or the secondary scanning
direction). If colors are misaligned in the direction perpendicular to the paper feeding direction (or the
primary scanning direction), refer to <Hint> below.
<Hint> If colors are misaligned in the direction perpendicular to the paper feeding direction, enter test
mode [03] and rotate the transfer belt for 5 minutes. (The main motor drives the transfer belt.
Use 03-101 to rotate the main motor or 03-151 to stop it.) After that, check the copy or print
image. If the colors still misaligned, replace the transfer belt or transfer belt unit. For further
information regarding how to use test mode [03] and transfer belt replacement procedures, refer
to the Service Manual and Service Handbook.
(3) Correct out-of-register colors in the secondary scanning direction.
* Two types of the color registration control procedures are provided (one type for A4/LT-sized paper), and
the test print pattern varies according to the procedures. Either of the patterns is available to correct out-
of-register colors. Therefore, print out whichever one is easier to use.
Procedure [05] code Test print pattern
Printing
image
Paper
size
No. of copies
to be printed
Referred
to
05-63 Test print pattern 63 A3/LD 2 1.5.1
Procedure 1
05-68 Test print pattern 68
Ladder
A4/LT 4 1.5.2
Procedure 2 05-64 Test print pattern 64 Block A3/LD 2 1.5.3
* Use steps in order, as listed below. If you start with other than step "1," use subsequent steps to the
primary one. (e.g. If you start with step "2," subsequently use steps "3," "4," "5" and "6" in order.)
Order [05] code Procedure
Paper and range to be
corrected
Remarks*
1 05-417 A3/LD, 1st page A
2 05-418
Procedure 1 or 2
A3/LD, 2nd page B
3 05-953 A4/LT, 1st page C
4 05-954 A4/LT, 2nd page D
5 05-955 A4/LT, 3rd page E
6 05-956
Procedure 1
A4/LT, 4th page F
* The alphabet in Remarks in the table above indicates a page to be printed as illustrated in " Explanation"
in the previous page.
<Hint> • First, change the values for codes 05-417 and 418 to "correct out-of-register colors on A3/LD-
sized paper" and "roughly correct out-of-register colors on A4/LT-sized paper." Next, change the
values for codes 05-953 to 956 to "further correct out-of-register colors on A4/LT-sized paper."
• The values for codes 05-417 and 418 are applied, in order to print or copy an original, on which a
page data is pasted, on the transfer belt. The values for codes 05-953 to 956 are applied, in order
to print or copy an original, on which a two-page data is pasted, on transfer belt.
* Refer to the color registration control procedures described later for further information regarding each procedure.
1. General Adjustments – Copying, Printing and e-Filing (Output from Box)
1.5