Fujitsu ULTIMA90 Maintenance Manual page 30

The printer also has the self-test print and hex dump functions to indicate whether an error is due to printer or the
host and to test operation after error recovery.
4.2 Notes on USE
Note the following:
Do not connect or disconnect connectors or printed circuit boards while power is on.
Use screwdrivers, wrenches, and other tools suited to the parts being replaced. Do not leave screws or parts
inside the printer.
Use only the specified type of oil, grease, and cleaning solutions. Be
sure power is turned off before starting to replace parts.
4.3 Maintenance Tools
Table 4.1lists the tools required for maintenance.
No
Screwdriver Screwdriver
1
Screwdriver
2
Screwdriver
3
Tweezers
4
Spring hook
5
Long-nosed pliers
6
Thickness gage
7
Platen gap adjustment gage
8
Floil
*1 A magnetized screwdriver is convenient.
2 For fitting E-ring.
4.4 Maintenance levels
Maintenance for the DL7600 printer is done at two levels.
Level 1 maintenance includes cleaning and lubrication.
Level 2 maintenance includes level 1 items, plus replacement of PC boards, units, and mechanical subassemblies,
and adjustment after replacement.
4.5 Preventive Maintenance
No periodic maintenance is required. However keeping the printer clean lengthens its service life and MTBF
4.6 Part Drawings
This section gives basic components and their location.
Table 4.1 Maintenance tools
Tool Model(part number)
M2-M2.5(Phillips)(*1) M3-
M5(Phillips) (*1)
M2-M2.5(standard)(*1)
M3-M5(standard) (*1)
0.03 to 1 mm
D98L-1020-0639
30
Maintenance level