3
5
2
4
1
6
4
7
Figure 1
8
Step 2
Step 1
Figure 2
DEC Field Service Instruction
7-4
7-5
Part:
Print Engine LA600
Part No.: 5112 292 6475x
DEC P/N.:
29-31790-01
REMOVAL
"
Set the printer into "LOCAL MODE"
"
Disconnect the system interface cable
"
Remove the ribbon cartridge
"
Switch the printer off and disconnect the mains cable
Y
M
Remove all encasing parts
Y
M
Remove the personality module (1)
Y
M
If present remove the plastic insert of the memory card interface (2)
Y
M
Loosen screw (3)
Y
M
Remove screws (4)
Y
M
Disconnect the Device Electronic (5)
Y
M
Disconnect the Control Unit (6)
Y
M
Loosen the fixation screws of the power on switch and remove it (7)
Y
M
Swivel the printer as shown in figure 2.
Y
M
Remove the safety angle by removing srew (8).
Note:
For protection of the operator panel please use a part of the
packaging material of the new printer engine as support.
Y
M
Shift the entire Electronic Subassembly to the left. (Step 1)
Y
M
Swivel it in the direction towards you and remove it from the printer
engine. (Step 2)
REASSEMBLING
"
Unpack the new printer engine
"
Execute the REMOVAL procedure with the new printer engine in reverse
direction.
Y
M
Change the print head from the "old" printer engine into the "new"
one.
Y
M
Perform an AGC Adjust procedure
Y
M
Adjust the parameter "Paper In Adj." to the value indicated on the
field service instruction attached to the new printer engine.
Y
M
Perform "PRINT TEST 3" and check for proper operation of the
printer.
Note:
Take a note of the value of the page counter (PGCNT) on the FRU-
label of the new printer engine.
5112 991 13242
