Maintenance Tools; Maintenance Levels; Preventive Maintenance - Digital Equipment LA30 N Service Manual

4.3 Maintenance Tools

Table 4.1 lists the tools required for maintenance.
No
1 Screwdriver M3–M5 (+)
2 Screwdriver M2–M2.5 (+)
3 Screwdriver M3–M4 (–)
4 Tweezers
5 Spring hook
6 Long-nosed pliers
7 Thickness gage (0.03 ~ 1mm)
8 Platen gap adjustment gauge
9 Silicone grease
Floil
10
*1 A magnetized driver is convenient.
*2 For removing the RS-423 board and the card guide sensor cable holder.
*3 For fitting the E-ring. (Tweezers are convenient, but standard screwdrivers are available.)

4.4 Maintenance Levels

Maintenance for the LA30N/LA30W 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.
4-2
Table 4.1 Maintenance tools
Tool Type or part number
(*1)
Phillips
Phillips (*1) (*2)
(*1) (*3)
Standard
(*3)
CWZ9068A2
CWZ9070A
CWZ9248A
CWZ9250A
CA02312-F300
CA98001-5270
D89L-1020-0369
Maintenance level
2
2
2
2
2
2
2
2
2
1