Stain On White Print (Refer To Figure 6-2B.); Stain On White Print (Partial Stain); Stain On White Print (Overall Stain) - Toshiba e-STUDIO477S Service Manual

6.5.5.(2) Stain on white print (Refer to Figure 6-2B.)

(2-1) Stain on white print (Partial stain)

Check item
(2-1-1) ID unit
Exposure of drum to Is the drum left in a circumstance in which drum
light surface is exposed to direct light for a long time?
Leakage of toner Does toner leak out from either ID unit or from
toner cartridge?
(2-1-2) Fuser unit
Offset toner of the Check if the offset toner of the previous printing
fuser unit is left adhered on the fuser unit or not, by visual
inspection.
45387101TH Rev.1
Action to be taken
Check work
at NG
Replace the ID
unit.
If any attempt
of using new ID
unit as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
Replace the ID
unit or toner
cartridge.
If any attempt
of using new ID
unit as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
Repeat blind
printing using
unwanted media
until offset toner
is created on print
media. Alternately
replace the
fuser unit. If any
attempt of using
new fuser unit as
a trial is going to
be made, be sure
to use the System
Maintenance
Menu FUSE
KEEP MODE.

(2-2) Stain on white print (overall stain)

Check item
(2-2-1) Print media
Type of print media Check to see that the print media which is used
for printing is not a specially thin media.
(2-2-2) High voltage terminal
ID unit terminal Check that the high voltage terminal of the ID
unit is contacting with the Contact Assembly
normally by visual inspection. (Refer to Figure
6-3.)
6. Troubleshooting and repair procedure
Action to be taken
Check work
at NG
Use the normal
paper.
Replace the ID
unit or correct
the high voltage
terminal.
If any attempt
of using new ID
unit as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
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