Service manual

Figure 1

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