Lexmark X734DE - Page 196

2-158 Service Manual
7526
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4
1. Check the metal contact on the left of the
transfer module for any damage.
2. Check for any contamination, and clear any
contaminants with a piece of cloth.
Are the transfer module contacts damaged?
Replace the transfer
module. See “Transfer
module removal” on
page 4-191.
Go to step 5.
5
1. Open the front cover.
2. Check the spring contact that is in contact
with the transfer module for any damage or
contamination.
Is the spring contact damaged?
Replace the cartridge
contact spring. See
“Contact springs kit
removal” on page 4-79.
Go to step 6.
6
Replace the toner cartridge.
Does this fix the problem?
Problem resolved. Go to step 7.
7
Replace the suspected photoconductor units.
Does this fix the problem?
Problem resolved. Go to step 8.
8
Replace the transfer module.
Does this fix the problem?
Problem resolved. Go to step 9.
9
1. Reseat the HVPS card.
2. Make sure the contacts is properly aligned
with the HVPS.
Does this fix the problem?
Problem resolved. Replace the HVPS. See
“High-voltage power
supply (HVPS) removal”
on page 4-120.
Step Questions / actions Yes No