Simm Service Check; Transport Service Check - Lexmark 4076-0XX User Manual

4076-0XX

Simm Service Check

FRUU or PROCEDURE
1 SIMM Card

Transport Service Check

FRU OR PROCEDURE
1 Transport Motor
2 System Board
3 Transport Belt
Carrier Guide or Guide Rod
Idler Pulley Parts
Cable Clip
4 Encoder Strip
22
Action
Try the following:
1. Reseat the SIMM card.
2. Use Toolkit, on the setup diskette,
to format the SIMM card.
3. Try a known good SIMM card. If
the failure continues, replace the
system board.
ACTION
Check the motor for binds, or loose
motor pulley.
Disconnect the transport motor (J6)
from the system board. Check for 8 to
18 ohms between pins 1 and 2 on the
motor cable. If the reading is incor-
rect, replace the motor.
Check for motor pins shorted to the
motor housing. If you find a pin
shorted to the housing, replace the
motor. If the failure remains, replace
the system board.
Turn the printer off and disconnect J6
from the system board. Turn the
printer on and check for a pulse of 3
to 5 V dc between J6-1 and ground
and between J6-2and ground on the
system board as the machine goes
through POST.
Check for worn, loose or broken
parts. Clean the carrier guide rod. Do
not lubricate the rod or the carrier rod
bearings. Check for obstructions
blocking carrier movement.
Check for wear and dirt.