Toshiba e-STUDIO5540C Service Manual page 341

Multifunctional digital color systems

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2) Investigating cause / taking measures

Cause/Section

installation

Main charger

*1 How to install the equipment horizontally

Repeat steps 72 and 73 in the unpacking instructions (shown below) to confirm that the equipment is

horizontally installed.

*2 The toner density is reset to the normal controlling level by replacing the developer material as the

last step. Therefore the only measure to be taken in this step is the correction of the main (separation)

pole position.

*3 How to correct the main (separation) pole position of the developer sleeve

Turn the pole position adjustment plate of the developer unit counterclockwise by 1 scale.

If the plate is adjusted to the end, turn it counterclockwise by the amount equivalent to 1 scale.

(Do not turn it more than 1 scale.)

e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C

ERROR CODE and TROUBLESHOOTING

Check if the equipment is leaning to

the right side using a level. *1

Are the needle electrode, grid and

Is the discharge LED lit properly?

If no abnormalities are found in the 3

items above, the main pole position

may deviate from the specified range

or the toner density may be

controlled to be lower than the

specified range. (Checking

impossible) *2

Is the layer of the developer material

on the developer sleeve thin or

Reinstall the equipment horizontally.

Clean or replace them.

Replace the discharge LED.

Correct the main (separation) pole

position. *3

Replace the developer material.