Zebra P640I Troubleshooting Guide download pdf (Page 3)

980541-001 Rev. 1 12-06-04 P630i/P640i User Guide Part 1 Section 3-3

• Front (color side) of card printed with black. Open and

close main cover, then press RIBBON to re-sync ribbon.

• Inconsistent color, very faint printing. Printhead not

pressing on ribbon.

TN4

• Color ribbon torn, or jamming intermittently. Clear jam.

Pull out more from supply roll and reattach to takeup roll.

Section 2

YMC color panels stick to card

• Printhead running too hot. Can happen after head

replacement if head resistance incorrectly entered

through printer driver.

TN4, Printer Adjustment

• Check ribbon takeup and supply torques. TN4

K (Black) panel sticks to card

• Printhead running too hot. Can happen after head

replacement if head resistance incorrectly entered

through printer driver. TN4, Printer Adjustment

• Black panel density and/or preheat set too high. TN4,

Color Calibration

• Check ribbon takeup and supply torques. TN4

Loud rattling/screeching from card transport

• Card(s) has fallen onto truck drive belt, and is jammed at

some point. Open cover, remove all cards from hopper.

Remove jammed card if accessible. Look for card(s) in

the transport bed. Using card transport knob, hand-crank

truck to push card into one of two areas for easy removal

- under hopper, or under flip station (lift carrier for access,

then push it down again).

Brief rattling noise before every print job

• Make flip station rest position adjust parameter less

positive. (But be sure the carrier still descends to its

physical end-stop, otherwise it may fail to pick card off

platen.) TN5, Flip Station Adjustment

Rattling noise every 10 cards

• Cleaning cassette not firmly engaged. TN2

Unusual events

In all of the following cases, and all other unusual events, try

power cycling first, then investigate specific issues:

• Printhead descends before card arrives. Check horizon-

tal offset. (see TN4)

• Printhead stays down after card has gone away. Check

card presence sensor. (see TN2)

• Laminate cutter(s) fails to operate. (see below, and TN6)

• Unusual media light indications.

Laminator spot check Section 2 and TN6

• Make sure the transfer roller toggle is in the operating

position, pointing right.

• Upper or lower laminate feed problems: remove, then

replace transfer guides, discarding laminate patches on

transfer rollers. Check for laminate where it shouldn’t be.

Remove both laminate cassettes. If out, or nearly out,

load fresh laminate. Wind laminate back in to eliminate

overhang. Reinstall cassettes, latching securely. Visually

Unusual noises/unreported events continued

check path from cassette(s) through feed roller, cutter

and transfer guide.

• Check for misfeeding of laminate due to poor engage-

ment of white plastic idler on cassette with drive roller.

Mark the upper core to check that it rotates (no need to

mark the lower core - watch the notches on the laminate

core). Feed laminate by pressing the LAMINATE button.

• Laminate patch may be wrapped around the heated

roller, causing card feed problems and/or poor lamina-

tion. Turn printer OFF, allow 10 minutes for cooling, then

remove heated rollers - careful, they will still be HOT.

Remove the rogue patch. Do NOT use a metal knife or

any tool that might damage the heated rollers.

• Check upper and lower laminate sensor readings, TN6-

4, with and without laminate present (< 20 if present, >

180 if absent - numbers valid only if transfer guides

installed).

Unusual noises/unreported events continued

1 2 3 4 5 6

Image Adjustment 4

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Zebra P640I Troubleshooting Guide Page 3

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