Toshiba e-STUDIO556 Service Manual page 551

7.11 Machine Refreshing Checklist (e-STUDIO557/657/757/857)
Symbols/value used in the checklist
Item
Cleaning A: Clean with alcohol
B: Clean with soft pad, cloth or vacuum cleaner
Lubrication/Coating W: White grease (Molykote EM-30L)
Replacement Value: Replacement cycle
R1: Replacement
R2: For preventive maintenance, check if the parts are damaged and replace
them as required. If the parts are not replaced at the machine refreshing
interval, inspect them at the subsequent PM.
R3: Replace if deformed or damaged. If the parts are not replaced at the
machine refreshing interval, inspect them at the subsequent PM.
R4: Lubrication recommended: If the parts are not lubricated at the machine
refreshing interval, inspect their lubrication status at the subsequent PM.
Operation check O: After cleaning or replacement, confirm there is no problem.
Notes:
• When performing machine refreshment, check the items in the preventive maintenance
checklist in addition to the items in the machine refreshing checklist.
• Perform cleaning and lubricating in the following timing. Lubricate the replacement parts
according to the replacement cycle.
e-STUDIO557
e-STUDIO657
e-STUDIO757
e-STUDIO857
• The value in the "Replacement" field of the table below indicates the replacement number of
output pages in either the black mode.
• The replacement cycle of the parts in the feeding section equals to the number of sheets fed
from each paper source.
• Be careful not to put oil on the rollers, belts and belt pulleys when lubricating.
• Parts list <P-I> represents the page item in "e-STUDIO557/657/757/857 Service Parts List".
Items to check
1 Drum drive unit
2 Development drive
unit
3 Paper feeding drive
unit
4 Fuser drive unit
J1 Transfer belt
© 2011 - 2014 TOSHIBA TEC CORPORATION All rights reserved
Model
920,000 sheets
1,030,000 sheets
1,080,000 sheets
1,200,000 sheets
Lubrication/
Cleaning
Coating
- W
- W
- W
- W
-
7 - 41
Description
Replacement cycle
Replacement
Operation
(x 1,000
(x 1,000
check
drive
sheets)
counts)
R4 R4 -
R4 R4 -
R4 R4 -
R4 R4 -
R2 R2 -
e-STUDIO556/656/756/856/557/657/757/857
PREVENTIVE MAINTENANCE (PM)
Parts
list Remarks
<P-I>
- -
- -
- -
- -
22-18 -
7